

SCP – Containment Breach
Undertow Games · 2026 · Horror, Exploration, Atmospheric, Procedural Generation, Sci-fi
PC
Overwhelmingly Positive97% · 1,541
This game is free to play. Get it on Steam →
Screenshots
About SCP – Containment Breach
SCP - Containment Breach is a free survival horror game written in Blitz3D. The events of the game take place in a containment site of The SCP Foundation, a secret organization dedicated to containing and researching anomalous artifacts and entities that threaten the normality of the world. You're thrown into the boots of a Class D test subject, one of the Foundation's disposable human guinea pigs. Not long after receiving your first assignment, the facility undergoes a massive containment breach, leaving you alone in the darkness with the escaped entities roaming around the facility. Your goal is to make it out alive. You can also search the facility for documents and other clues to figure out what led to the breach, and even attempt to do your part in fixing the situation.The main antagonist of the game is SCP-173, an animate concrete sculpture that kills all living things on sight, moving toward its victims at a speed of several feet in one blink of an eye and snapping their necks with irresistible strength and lethal precision. Fortunately, SCP-173 has one key weakness: it is frozen in place as long as someone is looking at it. To make things more interesting, SCP - Containment Breach has a blinking mechanic that forces the character to blink regularly (which often has fatal consequences in the vicinity of SCP-173).One of the key elements of the game is the procedurally generated map - no playthrough is the same, and you can never know for sure what is going to happen next. There are plenty of obstacles to make the way out of the facility less pleasant. Decontamination gas that makes you blink faster, locked doors that require a key card with a sufficient security clearance or a specific access code to open, timer switch controlled doors, and of course, several escaped SCPs.Escape the SCP Foundation as a Class D in this free survival horror. Outrun SCP-173—a killer statue that strikes when you blink. Every run is unpredictable. Survive or die trying.Made with ❤️ by a group of dedicated fans, this release is filled to the brim with community-created fixes, quality of life improvements and extensive Steam integration. Support for DirectX 9 allows the game to run smoothly on modern systems and screen resolutions, while the dedicated modding & workshop support makes it easier than ever to create, share and play community-created modifications. To this end, the fan-favorite open-source Containment Breach Room Editor Extended (CBRE-EX) is bundled, making room creation an enjoyable experience! This is the definite way to enjoy this horror classic!
What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
✦ AI summary
Players are enthusiastic about SCP: Containment Breach finally arriving on Steam, praising it as an engaging horror experience with memorable encounters and tense gameplay moments. However, some report frustrations with NPC AI behavior, particularly in the Heavy Containment Zone where certain creatures seem to act unpredictably or block progression, along with occasional difficulty spikes that can feel unfair.
10/10 amazing game. though with the one complete playthrough i've had thus far i ran into numerous bugs and glitches though the worst part had to be the 8 times in the run that 049 spawned on top of me and resulted in instant death which i was only able to save myself thanks to having the ring on me at all times
yea
Yes very good game. if your looking for a horror game I would play this the endings are good and tehre are many hostile npcs
Playing this on Keter is an absolute nightmare, SCP-173 was getting very angsty the more I tried to reach Gate A, bro started teleporting all over the place. I re-contained 106 and I manage to avoid 049, 096 completely and MTF (somehow lol). I tried waiting for MTF to re-contain 173, but they didn't show up lol or they did cause 173 at one point trapped me in the Electrical Center for like 10 mins. If you want to know the map seed that I used to beat it in Keter mode its ([b] laz1zp [/b]) it works in 1.3.11 and 1.3.12.
It's an amazing survival horror game, and has plenty of tense moments, it's graphics is outdated but that doesn't matter when the game is THIS peak. I will say though, once you gain certain items it completely neutralizes some of the enemies and the tenseness that would come with them.
nice game with working mods
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