Estimated reading time: 25 minutes
Posted on July 29, 2025

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STEM 2.0 Instructions for beginners

The main advice is to go through the original. Firstly, the second part is its direct continuation and many things may not be clear to you. Secondly, here I will often compare them. Thirdly, after passing the second, playing the first will not be so interesting. Finally, Theevilwithin is just an excellent, interesting and atmospheric game.
Do not neglect the study of the world. Aside from the main plot, you can find a lot of interesting things: Easter cards, scraps of memories, documents, small stories, third -party events. As well as useful: cartridges, resources, a little green slurry, weapons, pouches. Looking over every nooks, you will greatly simplify your life.

Complexity
The impression of the game largely depends on the choice of complexity. The passage style also changes from a dashing shooter to a tense stealth explosion. Damage, health and the number of enemies, as well as the abundance of found resources and ammunition depends on complexity. The number of hidden blows required for the murder of enemies, the amount of green slurry and weapons parts needed to improve, does not depend on complexity. All further data will be given for the complexity of the “nightmare”, take into account this.

The easiest level of complexity. The choice of those who want to freely enjoy the plot. There is help in aiming, ammunition and resources will be more than you can take away. There will be fewer enemies than on other difficulties and they, except that they will not commit suicide when they see the hero. The skill of the “Bottis” will be available immediately, without pumping. Some weapons will be easier to get. You can not pay attention to the collection of additional resources.

The average option in everything, there are fewer cartridges and resources, there are more enemies, they beat stronger and not so willingly part with “life”. This difficulty will make you make efforts to survive, but in general, with some caution and economy, there will be no serious problems. It is worth paying more attention to the search for supplies.

You will suffer!…The first time. The first few chapters will be tested by your determination to continue passing. Further, having mastered the mechanics, learning how to save supplies, having studied enemies and approaches to them, you will feel free to feel free. And so: there are more enemies, they beat more painfully, they are stronger and cartridges on them will not be enough in any case, your main weapon will be a hidden murder. There are not much less resources than survival, but more components are needed to create items. We’ll have to look into every dusty corner, locations, otherwise you can’t survive here. Subjectively, this is the most interesting difficulty.

“Pumping”
The development of the character here, unlike the first part, is divided into several types. The character skills, as before, improve with the help of green slurry. Only now the red slurry also appeared, it is needed to unlock higher levels of pumping characteristics and individual skills. To improve weapons, you need to collect parts, and to unlock the next level of improvement of weapons, special details are required. To increase the wearable supply of cartridges and syringes, you will have to look for special pouches.
Do not get hung up on obtaining one expensive skill, it is better to pump the level or two in each branch, especially since the initial levels are not expensive, this will greatly simplify your life. If you are not laziness, then it makes sense to kill all oncoming enemies and thus “farm” green slurry.

The game has 5 branches of development: secrecy, battle, health, athleticism and restoration.

Consider each branch separately:

Is responsible for the invisibility, speed of movement and hero skills in steady mode. The first thing is to develop secrecy, it will seriously save cartridges and without it in the first pairs will be difficult.

“Obvisibility”The main characteristic of the branch reduces the noise from steps. Useful thing, but you can not rush to take the last level.

“Bottis blow”The first skill that needs to be developed allows you to automatically escape from the capture of the enemy, without receiving damage, spends one bottle. At the beginning of the game, he will very often save your life.

“Ambush”The second skill in the queue for receipt, its usefulness borders on cheating. What is the main drawback of hidden murder? That’s right, the fact that it can only be done when you are not seen and if you have noticed you have to run away, hide, wait, and start all over again. So the “ambush” skill eliminates this drawback, you can kill with a blow from the corner of the enemies even noticing you, at times just a mountain of corpses can form at one corner. There are a couple of script game moments where the “ambush” does not work, but this is not much, it does not reduce its usefulness.

“Ninja”Increases the speed of wiring mode. A very useful thing, it will make it easier to kill enemies and secretly catch up with moving targets.

“Predator”Makes it possible to quickly approach the victim. Good skill …in theory, but in practice it is very not convenient to apply it. For use, you need to go behind the enemy, catch the moment of the appearance of a small skill activation icon, press the button, then still have time to make a hidden murder in time, hoping that you will not be found halfway to the goal. By the time of the opening of this skill, you will already have a “ninja” of the second level, so you can safely pass by the “predator”.

Branch that is responsible directly for the fighting skills of Sebastian. The first few chapters are not particularly in demand.

“Solid Hand”The main characteristic of the branch reduces the trembling of the sight, not the most important skill in the initial stages, you can take the 1st level and while postponing.

“Strelka stand”Reduces return, and since it is still not worth shooting in queues, this is not the most necessary skill in the first pairs. Opens access to the “degree of bullets”.

“City of bullets”Increases damage from each next hit, interrupted over time, with a miss or a damage. Not bad skill, allows you to easily kill especially strong enemies. A terrible thing in a combination with an assault rifle or very straight hands.

“Drachun”Increases the damage from close combat attacks. True, close battle even with double damage does not become more useful, and there are not so many axes that for the sake of increasing their damage it is worth spending a slurry.

“Kick”Allows you to discard stunned enemies, unfortunately met, stunned enemies can be counted on the fingers.

“Concentration”Opens the opportunity to slow down time when aiming. This is probably the most controversial skill in the game. On the one hand, it is incredibly useful, enemies are quite mobile here, and the slowdown in time is very useful, you can do with it just roofing things. On the other hand, this skill is very expensive, if you concentrate on its receipt from the very beginning, you will have to sacrifice other skills, and suffer without pumping. If you pump evenly, then it can only be obtained closer to the end and then only if you kill all enemies at all. Also, activation of slowdown, consumes endurance, which means that it will also have to be spent on increasing its stock.

The branch is responsible for survival. Although, to completely avoid damage, it should become your main rule, the health supply should still be increased.

“Vitality”The main characteristic of the branch increases the maximum health supply. It is worth taking at least 2 levels, otherwise they will kill from 2 strokes.

“Resistance”Will allow you to survive with a minimum of health one fatal blow, does not work with some attacks. The first level is required to acquire.

“Regeneration”Increases the minimum of health, restored, automatically.

Although 3 years of drunkenness and Sebastian’s endurance benefit, you should still not hope for its basic indicators. Please note that endurance is consumed at different speeds in battle and outside.

“Teductivity”The main characteristic of the branch increases the maximum endurance reserve. You will have to run a lot, so a couple of levels definitely won’t hurt.

“Reflexes”Automatic evasion of attacks. Quite useful, but does not work against some attacks, the first level is enough.

“Energy”Increases the speed of restoration of endurance.

Not the most necessary branch, allows you to increase the effectiveness of treatment.

“Treatment”The main characteristic of the branch increases the amount of health restored by syringes and first -aid kits.

“Second chance”Upon receiving a blow that was supposed to kill you, automatically uses a syringe. Useful skill, combined with “reflexes” and “resistance” allows you to survive in the most hopeless situations. But if you have at least a quarter of Jewish blood in you, you will feel sorry to automatically spend syringes.

“Fast recovery”Accelerates automatic restoration of the minimum health supply.

Weapon
Weapons are your main partner and friend, only you can completely rely on this misadventure. In what Jo… you were not the situation, only the weapon will not let you down.

Near -combat weapons
Nearby weapons are represented very meager, since the close battle in STEM is not the best idea, all enemies here surpass Sebastian in strength, and many in size. The exception is hidden attacks from behind, from behind the angle or in smoke-they are the main method of eliminating most monsters.

The most necessary and at the same time the https://www.bookkeepingintelligence.co.uk/ most useless weapon is used for close combat, breaking boxes and hidden murder of enemies. Near battle, traditionally useless more than completely and even the full pumping of it does not change this.

A one -time weapon causes great damage, but unlike the first part, it does not always kill even simple zombies from one blow. Can be taken from the defeated enemy or find on locations. The skill of “brawls” increases the abolia.

Pistols
The main firearms in the game, does not lose its relevance until the finale. It has a small stopping force so, the first thing is to improve critical hits, this is the main property for pistols, of course, provided that you can get to the vulnerable points of the enemy.

First and main pistol. Has no features. Just killing.

Issued for pre -order. Shoots in bursts of 3 cartridges, inflicts more damage, but on the complexity above the walk, you can forget about it until the middle of the game, you simply will not have so many cartridges.

Standard damage. Due to the laser sight, more precisely and more convenient for shooting at large distances. It brings closer when aiming, which makes it less convenient at a small distance.

Inflicts less damage, but also less noise from it. Not the most useful weapon. With fully improved critical hits, you can shoot lonely zombies without attracting the attention of other monsters. But is it worth it to spend ammunition if a single enemy can be cut quietly?

Sebastian’s favorite pistol. Less accurate, but applies more damage. If the fight is well developed, then it becomes the best gun in the game.

Shotgun
A terrible weapon at a short distance, causes huge damage and can hurt several enemies at once. It is worth improving the chance of critical hits and the size of the store, the improvement of damage is too expensive, however, and without it, impressive damage.

The first and perhaps the most convenient shotgun, from a small distance most often blows its head from one shot. Has a rather large scatter.

Not the most convenient option, psychologically. We’ll have to get used to the fact that you need to shoot from a shotgun with a slightly greater distance than before. When aiming closer closer, which makes it not convenient in close combat.

It shoots at once from two trunks, which causes huge damage, but since it needs to be reloaded after each shot, it is not worth using it in the crowd. Can be effective against one strong enemy. Has the largest scatter.

Another weapon
The weapon presented in the game is only one sample

Although it looks and is called differently, this is still a good old crossbow. The famous wand is a sebastian, a variety of ammunition will help you get out of the most difficult situation. It makes no sense to improve the firing range, the basic is enough in any situation, but the reloading speed must be increased for sure. Unlike the first part, it does not automatically recharge immediately after the shot, which often fails during tense battles, you need to get used to it recharge yourself.

Bolts for the crossbow.
All bolts, except for harpoon, can be installed as stretch marks in narrow aisles, or as mines to the floor, stretching are also triggered on Sebastian. At the same time, up to 5 identical mines can be installed.

Causes great damage, especially in vulnerable points, if you certainly be able to get, as the harpoon flies noticeably slower than a bullet. The cheapest in creating a bolt. Pumping is not expensive and greatly increases damage. At the fourth level, it sets fire to enemies, this is not as effective as in the first part, but still allows you to kill some enemies from one hit.

Stun with electricity of the nearest enemies. Useful in the fight against especially nimble monsters, it knocks some enemies to the ground allowing them to finish off their foot. The number of blocked enemies is limited, but it can be increased. Water significantly increases the power of the electric boom. The last level of improvement increases damage, but it still remains not significant. The bolt installed on the floor works when the enemy approaches.

Very good, almost “immobal” thing. Blinds all enemies in a large radius. It is extremely recommended to improve to the third level as quickly as possible. After improvement, it allows you to make hidden killings in smoke and cut whole crowds of enemies without straining. With it, you can easily kill some complex enemies. When the smoke is triggered, the enemies strike blindly, be careful. Does not act on some opponents (it will be indicated in their description below). At the last level, smoke begins to damage enemies, but it makes no sense to spend money on this level, since the damage from the poison is small, and improvement is expensive. Cannot be installed as a mine, on the floor after a couple of seconds it works automatically.

Explodes, inflicting damage to everyone within the radius of defeat, including Sebastian. Works well against crowd enemies. Requires improvement, without this small damage. Installed on the floor, as a mine, triggers when the enemy is near a certain time. At the last level of improvement, the bolt fragments after a second also explode, if you often use this bolt during the game, maybe you should buy this improvement.

Pretty useless, in fact everything he does, other bolts do better. The freezing time is very small, the damage is also not large, the defeat zone, even improved, is less than that of smoke. Simple zombies after freezing scatter into fragments – this is its only advantage, while the rest of the enemies are defrosted almost without damage. You can make a hidden murder only if at the time of freezing the enemy did not see Sebastian. Used to save smoky bolts.

The most long -range weapon, good sight, great damage, allows you to clean the territory from a safe distance. Shooting at vulnerable point is especially effective. Cartridges are rare and expensive, do not spend them on ordinary enemies. In principle, it almost does not need improvement, successfully performs its functions in the basic state.

Spectacular, but not effective weapon. It appears too late, by that time there are not many enemies of vulnerable to fire. The damage is large, but the fuel consumption is even greater. The distance of the attack is small, plus it slows down the movement very strongly. The flamethrower cannot be improved.

The damage is not high, as well as the chance of “Crete”, which is compensated by the rate of fire. It is a pity the cartridges are consumed faster than you manage to make them, so you should not spend them on every trifle. It is worth improving damage and rate of fire. In combination with the skill of “hail of bullets” works miracles.

Used to attract the attention of enemies and when the ability to “blow with a bottle” is triggered. You can carry up to 5 pieces with you. Unlike the first part, it does not stun enemies when it gets into the head.

Traditional treatment for a series. Restores an average of a third of health. Can be used on the go.

It works as a syringe, but restores more health, an average of 2 thirds, unlike the first part, does not increase the maximum health supply, but also does not have side effects. Only one can be worn, it is also used on the go.

Enemies
In STEM you will hardly meet allies, so any movement or sound is the enemy. In the absence of STEM 2.0 traps, monsters are the main danger. It is worth at least a little relaxed and even the simplest zombies easily dinner with Sebastian. When studying STEM, you should not neglect the hearing, listen, learn to determine enemies by characteristic sounds and you will be much more difficult to find by surprise. And remember, there is no need to kill absolutely all enemies, sometimes it’s easier to just get by.

Enemies are conditionally divided into 3 groups: basic, elite and bosses.

Basic enemies
The simplest and most common monsters. But you should not underestimate them, in STEM every enemy is dangerous.

Former ordinary residents of Union. The main enemies throughout the game. Fast but blind and stupid, you should run away over the nearest corner and they will lag behind you. Sometimes a critical shot in the head or a blow of an ax do not kill them immediately. Some of them are armed with an ax or Molotov cocktail, can be in a mask that protects the head. In the last chapters, an enhanced version of the zombies appears, characterized by a large margin of health.

The tactics are the main weapon against them-a blow from the corner or behind, the bullet in the head is also very effective. The electric boom knocks on the ground, after which they can be finished with a foot, in improved smoke, you can make finishing.

For the murder, it is required: 1 burning harpoon, 1 krivlt, 1 hidden blow, 1-2 shots from a shotgun or sniper rifle, 2-4 shots from a pistol head.

Outwardly, it looks not dangerous and slow, but the first impression is deceptive, it can get closer very quickly and apply strong blows.

Tactics are the easiest way to kill: sneak up, make a hidden blow, run away to the nearest shelter and finish it off around the corner when she chases the hero. The electric boom does not knock down on the ground, Krivlet almost does not inflict damage.

The murder requires: 2 hidden blows, 2-3 shots from a sniper rifle, 2 burning harpoons.

Important! You can not use a smoky bolt, in smoke it immediately throws at Sebastian

Disgust and fear, and for a reason, inspires its appearance. If the hero is discovered, a loud scream emits, which deprives Sebastian of all endurance and convenes a crowd of zombies from the entire district. Can quickly run and spit a burning substance at a great distance.

Tactics in a simple murder method is a shot from a sniper rifle in the head from a long distance. Her slurry is conducted by electricity

The murder requires: 2 burning harpoon, 2 hidden blows, 1 shot from a sniper rifle in the head.

Important! You can not use a smoky bolt, in smoke begins to fill the earth around itself with a toxic slurry. Can kill with one blow

One of the most dangerous ordinary enemies. He is very fast, moves in zigzags, complicating aiming. Can make jumps, hides in the bushes, can hang on the ceiling or tree. He also cannot be hidden by a hidden blow.

Tactics to the fight against them are greatly useful to electro -caps, although they do not allow to finish the slider with a heel, but deprive it of the main advantage – mobility. The smoky bolt works against it, but even in improved smoke you can not make a hidden murder. The safest murder method is to shoot from afar with a harpoon or sniper rifle. You can use an ax, but it’s risky.

The murder requires: 1 burning harpoon, 2-3 shots from the shotgun point blank, 2-3 shots from a sniper rifle.

Important! Can finish off with one blow if the hero has less than half of health.

In fact, the same zombies, only much more dangerous. Can scatter from a long distance and ram his shoulder. When they burn to them, you can’t touch them.

Tactics and with zombies, the main weapon is secrecy, but the blow from the corner will not work if the burning one knows exactly where you. The electric boom knocks on the ground, after which they can be finished with a foot, in improved smoke, you can make finishing.

For the murder, it is required: 1-2 shots from a sniper rifle or 2-3 from a shotgun, 1 hidden blow.

A huge bunch of flesh, which does not prevent him from running quite quickly, explodes when approaching the hero, his explosion causes damage to other monsters in the same way.

Tactics depending on the fact that it explodes, it can be killed with one hidden blow behind or from behind the corner, which is the simplest tactics of struggle with these enemies. After a hidden murder does not explode. One burning harpoon due to the limits of its visibility is also a great way.

The murder requires: 1 burning harpoon, 1 hidden blow, 2-3 shots from a sniper rifle.

You just have to shoot this at least once with a slowdown in time – this is an enchanting sight.

Elite enemies
More rare and dangerous monsters, found only a few times. Much stronger than ordinary enemies.

Is an “optional” opponent, if you do not visit certain places, then you can not be afraid of it. However, if you go through all meetings with her, get a weapon. The most mysterious creature in the game. Apparently symbolizes the memoirs and nightmares of the hero and therefore haunts Sebastian almost throughout the immersion in STEM 2.0. The immortal and incorporeal ghost of a woman passing through the walls and killing the hero from one blow.

Tactics!
Noticing the characteristic effects before its appearance, try to go out into the open space so as not to be driven into a corner.
Когда она погружает Себастьяна в кошмары его прошлого нужно, не попадаясь ей на глаза, добраться до выхода.

Important! Immortal, kills from one blow.

A huge monster collected from many parts of female bodies. The first time is found in chapter 2, but at that moment Sebastian can do nothing to contrast her with. The second meeting is in chapter 5 and here it will be a mini boss, in the battle with it, use the environment. Subsequently, it will become almost an ordinary enemy. Very dangerous creature, moves quickly, causes great damage and very tenacious.

It is impossible to get back to her tactics from behind, which means you need a lot of cartridges. You need to shoot in the head, but it is not difficult, she has a lot of heads. Best option: shoot from afar with a sniper rifle. Stun with smoke or electricity and shoot at point blank range from the shotgun. Use the environment, usually in the places of their appearance there is something to set fire.

It takes: 8-12 shots from a shotgun or sniper rifle and the same number of explosive bolts.

Hand animal Stefano. A terrible combination of living flesh and antique chamber. In principle, you can not kill it. Freely moves along the ceiling, can slow down time in a certain area.

The tactics are found in chapter 5, it cannot be killed here, you just need to distract until the time is expired. The easiest way is to shoot at the lens in order to start the timer and hold it with smoke and electricity before the expiration of time.
The second time in the way of the hero she will stand in chapter 7. There is no need to fight her, you can just run away. But 7,000 slurry will be given for her murder. If you still decide to destroy this product of a crazy photographer, then you need to try to shoot at the lens. Use electrical and smoke bolts to shoot it at point blank range with impunity. You can use explosive stretch marks, but keep in mind that soon they will come in handy for the boss. Run around the rooms, there is a fairly big chance that Obskura will get stuck in one of the corridors and you can shoot it without any problems.

Father Theodore, fiercely followers of the Theodore, bearing the junion of purification by fire. Probably the most dangerous enemy except bosses. It has phenomenal survivability. Launches an exploding fire ball to a long distance. The flamethrower can be blown up with a shot, then the flamethrower stops working, but this is not recommended to do this, since the enemy becomes even more dangerous.

Tactics is a very simple way to kill – to use improved smoke, one bolt allows you to make two hidden blows. Thus, you can kill them without difficulty. A blow does not work on it from the corner.

It takes: 5 hidden shots or very, a lot of shots, for example, you need 8-12 shots from the head from a sniper rifle, depending on the level of pumping the rifle.

Important! Can finish off with one blow if the hero’s health is below half.

A large electric monster, it looks worse than it really is.
Hits around him with electricity, smoke works, the electric body does not work. He has in the center, luminous, vulnerable place.

Tactics at a vulnerable point, after several hits it will fall to the ground, allowing you to shoot himself with impunity. There is a lot of fuel in the district.

For murder, 6-10 exact hits are required to a vulnerable place from a sniper rifle or shotgun.

Finally, Stefano was tired of playing with Sebastian and he decided to deal with him with his hands. The battle with him will take place in the small hall of the gallery, separated by partitions. Run around the territory, there are useful supplies here. The most important rule is to move, do not stop for a second, then it will just avoid damage. The boss constantly uses the teleport to get closer and deliver a series of shocks, but if you move it, it misses, the time of the shotgun comes here. When he teleports from you, you can shoot him from a pistol. Scatter explosive bolts if you have them. It is not profitable to use smoke and electricity – for too little time they delay it, literally one shot. At some point, the battle will go to the second phase, a huge camera in the sky will begin to strike the floor-again, the main thing is to move and hold on the edges of the room. Avoid explosions frozen in time.

If you performed secondary tasks, then you have already encountered flamethrowers, while the boss differs from them and not a lot of health in the health of their health. Has phenomenal survivability, so shooting is not the best way out.
There is an ideal way to kill is an improved smoke. The boss needs to apply 6 hidden blows, and during the action of the smoke you can make 2, respectively, 3 smoke bolt and it is dead. But there is one nuance, after 3 strokes, a small video starts up, which means that for the fourth blow you will need a new bolt. You can avoid spending an extra bolt, if after 2 strokes, shoot a clip in the boss yet, or make the first blow secretly without the use of smoke.
If you, for some reason, cannot use smoke, then the best tactics will be secrecy. The enemy quite easily loses sight of the hero and sneak up to him is not difficult. Also in this case, you will need to extinguish the fire in the rooms, for this you need to pull the levers on the walls. Do not blow up the firmete cylinder, then it will be much more difficult to escape from the boss. Try that health does not fall below half, otherwise the boss will be able to kill you with one blow.

The easiest boss. Since he is a manipulator, not a fighter, then there will be no battle with him. You just have to meet with several old acquaintances and against this.. some of them are very good assault rifle.

The final battle with the boss, you can shoot everything so lovingly stored, ammunition. This is a typical battle with a large, motionless boss, follow his movements, evade when he beats his hands on the ground. The main thing is to move, movement is life. It is necessary to shoot in, illuminated, vulnerable points on the stomach, shoulders and head, in this battle, a slowdown in time is useful. The main weapon of the fight against the boss is a pistol, since the cartridges for it fall abundantly. Small spiders will appear from time to time, they can be trampled with your feet, but it is much more efficient to use electro -captables, supplies fall out of spiders.