Mortal Decay
Developed by Roger Kaffer · Published by Roger Kaffer
At a glance
Overview
An action, adventure, indie game by Roger Kaffer, published by Roger Kaffer — single-player.
Steam’s own one-line description: “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...” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Mortal Decay.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | No |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS: Windows 10
- Processor: AMD FX-6100
- Memory: 4 GB RAM
- Graphics: Nvidia GTX 760
- Storage: 4 GB available space
Recommended
- OS: Windows 10
- Processor: AMD FX-8350
- Memory: 8 GB RAM
- Graphics: Nvidia GTX 970
- Storage: 8 GB available space
Supported languages (2)
Mortal Decay FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Mortal Decay?
Steam classifies Mortal Decay as a Action, Adventure, Indie game, developed by Roger Kaffer. 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...
How much does Mortal Decay cost?
As of June 2026, Steam lists Mortal Decay at $2.99. Prices and regional pricing change — check the Steam page for the current figure.
Is Mortal Decay single-player or multiplayer?
Steam lists these modes for Mortal Decay: Single-player. It lists a single-player mode.
Is Mortal Decay on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Mortal Decay for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Mortal Decay out yet?
Yes — Steam lists a release date of Oct 28, 2020.
What platforms is Mortal Decay on?
Mortal Decay is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Mortal Decay single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Mortal Decay cost?
Steam lists it at $2.99.
Does Mortal Decay have achievements?
Yes — Steam lists 8 achievements for Mortal Decay.
Who made Mortal Decay?
Mortal Decay is developed by Roger Kaffer and published by Roger Kaffer.
Where to get Mortal Decay
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data. Not affiliated with Valve/Steam, Roger Kaffer.