Monstrum

Monstrum

Team Junkfish · 2015 · Horror, Survival Horror, Action Roguelike, Indie, First-Person

PC
Very Positive91% · 3,12511playing now
Best price 58 Good deal
$1.45-85%
lowest tracked $0.82
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Standard Edition · Steam
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GameBillet
Standard Edition · Steam
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GreenManGaming
GreenManGaming
Standard Edition · Steam
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PlanetPlay
PlanetPlay
Standard Edition · Steam
-10%
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WinGameStore
Standard Edition · Steam
-9%
$16.43
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Steam
Steam
Standard Edition · Steam
$17.99
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Humble Store
Humble Store
Standard Edition · Steam
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IndieGala Store
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GOG
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Standard Edition · DRM-Free
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Standard Edition · Steam
$1.45
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eTail.Market
eTail.Market
Standard Edition · Steam
-20%
$14.40
$17.99
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Playsum
Playsum
Standard Edition · Steam
-10%
$16.19
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JoyBuggy
Standard Edition · Steam
-1%
$17.81
$17.99
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Screenshots

About Monstrum

✦ AI summary

Survive a procedurally generated derelict cargo ship stalked by one of three deadly AI-driven monsters, using your wits and found objects to escape before permadeath ends your run. Each playthrough reshuffles the ship's layout, escape routes, and item locations, forcing you to adapt your survival strategy against unpredictable predators with different hunting behaviors.

Monstrum takes the traditional survival horror formula and remixes it completely with procedurally generated levels, permadeath, and AI driven predators, ensuring that nowhere on its derelict cargo ship is ever truly safe.

Offering up a challenge to even the hardiest of gamers, Monstrum will force you to use your wits and whatever tools you can find to outrun or outsmart your pursuer. Attempt to escape from an environment that is out to kill you while evading the lurking terror that could be around any corner. Can you survive Monstrum?

Game Features

Three Unique Monsters

Face one of three monster types each play-through, each one with different behaviours and tactics. Can you work your way out of an ambush or escape a direct attack? And will the same actions work every time?

Procedural Arena

Prepare for a different gameplay environment each time you play as the ship's interior shifts shape with every run, changing the location of items along the way.

Escape Routes

Discover different methods of escape and delve into the bowels of the ship to recover items you need to repair them.

Opportunities and Hazards

Use whatever you can find to try and outwit the monster. Hide in lockers or under furniture. Use distractions to attract the monster to you, or, perhaps more wisely, to where you've just been, but be careful not to run too fast lest you fall into one of the ships numerous traps along the way.

Permadeath

Death is permanent. Get killed in Monstrum and you'll be starting again. In a different ship, probably against a different monster. Good luck. Start running.

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Recommended Jul 16, 2026
By today's standards, over a decade ahead, this is quite... A rough looking game on the surface. Impressive graphics, janky animations, imperfect AI. And yet it's still so, so great. This game has simply dominated the way in which roguelike elements can create tension and uncertainty, play a linear horror game enough and you'll be certain of what to expect in a certain moment, which is the biggest way to kill terror to simply give you control. And yet here we have Monstrum where you simply can't ever quite start a new run expecting to even know what you're going to be facing, let alone where you need to go and deal with. All of that creates simply a fantastic experience all around full of tension and a pretty wide exploration journey through the silent halls of the Hisa Maru.
Recommended Jul 15, 2026
For the last 5 years I've barely been able to get through the game because I'm too much of a coward, and it's surprisingly hard. 10/10 would play again if I wasn't such a wimp. XD
Recommended Jul 11, 2026
Monstrum is one of my favorite horror games. I would love to see a remake, but the developers don't seem to care. Instead, they made Monstrum 2, which was the complete opposite of what made the first game so good. In my opinion, it's a terrible game. They could have just remade the original or made a proper sequel instead.
Recommended Jul 11, 2026
My favorite old horror game. I recommend giving it a shot.
Recommended Jul 8, 2026
Recommended Jul 4, 2026
A classic horror game that still holds up in today's market, with only minor bugs present. Definitely worth the money and time.

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