Survivalist: Invisible Strain is a Action, Adventure, RPG game from Bob with a 87% positive Steam review signal. Indie Lantern indexes it for players browsing by tense, single-player, co-op.

Game snapshot
- Developer
- Bob
- Release year
- 2025
- Playtime
- Varies by player
- Price
- $5.99
- Review signal
- 87% positive
Screenshots






System requirements
PC
- Minimum
- Requires a 64-bit processor and operating system OS: Windows 10 or higher Processor: 2.0 GHz Intel quad-core and above (Subject to change) Memory: 4 GB RAM Graphics: NVIDIA GTX 660m or equivalent (Subject to change) DirectX: Version 10 Storage: 3 GB available space Additional Notes: Download the free demo to find out how well your PC can run it!
- Recommended
- Requires a 64-bit processor and operating system
From Steam reviews
Review notes
Survivalist: Invisible Strain is worth a closer look if you want base building, survival crafting, management, and colony sim.
Best for players who want post-apocalyptic, strong atmosphere, base building, and survival crafting.
base-building
Play styleBuilding a base, settlement, or colony is part of the loop.
survival-crafting
Play styleSurvival pressure and resource gathering are part of the decision loop.
management
Play styleThe game asks you to run, improve, or balance a system over time.
colony-sim
Play styleThe game is about keeping a group, base, or settlement working.
farming
Play styleFarming, crops, or harvesting are part of the appeal.
exploration
Play styleThe draw is moving through spaces, discovering details, and learning the world.
post-apocalyptic
SettingThe world reads as ruined, hostile, or shaped by collapse.
stealth
Play styleAvoiding detection is part of the intended rhythm.
Steam review snapshots
Recruited passing refugees, sending them off to the unexplored, dangerous wasteland if they sucked at their job or if they looked…The core loop is barebones in the best way, simple crafting, base building, farming, and combat.I’ve sunk hundreds of hours into every zombie survival game under the sun, from AAA to the janky.The core loop is barebones in the best way, simple crafting, base building, farming, and combat.Why it fits
Check it if you want action, adventure filtered by tense, single-player, co-op.
Who might skip it
Research further on Steam if you need verified accessibility details, exact playtime, or current system requirements.