Game overview
Mortal Decay
You are a veteran, in a post World War 3 apocalyptic world. Starving and alone, you fight to keep your sanity in the hell that this world has decayed into. In a desperate attempt to find food, you stumble your way into an abandoned prison, but you find out it is not as abandoned as you believed...
- Last tracked players
- 0
- All-time peak
- Unavailable
- 24-hour change
- Unavailable
- Steam reviews
- 96.9% positive 64 reviews · via SteamSpy
Delayed observation · last tracked . Values marked unavailable are not estimated.
About this game Read the full description

You awaken, a survivor of world war III, you are starving, just trying to move forward.
With your strength slowly fading, you make way into an abandon prison.
Hopelessly you search for some food stored inside.
During your hunt, you find out the prison is not as abandoned as you thought it was...

You are being chased, your pursuers motives are unknown. With the little strength you have left, you are unable to fight, your only hope is to escape. Who are they, and what do they want with you?

Why is the prison abandoned and what happened to those who inhabited it? Collect clues to the prisons past and learn about the tragedies of those who lived there.

- Stealth-based mechanics to sneak around enemies
- Expansive and detailed environments
- Multiple enemies with unique AI
- Immersive and horrifying story
- Chilling sound design
Can you make it out alive?
Media gallery 7 screenshots · 0 videos
Screenshots
Player activity
Concurrent players over the last 48 hours.
System requirements Windows
Windows
Minimum
Minimum:- OS: Windows 10
- Processor: AMD FX-6100
- Memory: 4 GB RAM
- Graphics: Nvidia GTX 760
- Storage: 4 GB available space
Recommended
Recommended:- OS: Windows 10
- Processor: AMD FX-8350
- Memory: 8 GB RAM
- Graphics: Nvidia GTX 970
- Storage: 8 GB available space
Game details Languages, features & support
- Publisher
- Roger Kaffer
- Brazilian rating
- 16
- Steam Germany rating
- 18
- Content warning
- This game contains blood, gore, violence, disturbing themes, and general mature content. This game is not appropriate for all ages.
- Achievements
- 8
- Features
- Single-player, Steam Achievements, Family Sharing
- Languages
- English*, Portuguese - Portugal
*languages with full audio support - Support
- [email protected]
More analysis Activity patterns, updates & developer tools
Game Insights
Buy Verdict
Decent deal at 0% off, but might drop further. Watch for better opportunities.
Value Score
Price-to-player ratio ranks in the 71th percentile. Priced as Market at $2.99.
Genre Benchmarks
Activity Heatmap
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