OuterRealm
Developed by CatBun · Published by CatBun
At a glance
Overview
An action, indie game by CatBun, published by CatBun — single-player. It is in Early Access.
Steam’s own one-line description: “Play as a Elite soldier in ironclad atomic power armor, collect powerful weapons, crush endless waves of voidborn horrors and step into the realm portal, to finish their demigod masters. An old school FPS,collect items,unlock powerful upgrades,kill boss,find exits,and endless mode.” — 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 OuterRealm.
| 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 | No |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS: Windows 10
- Processor: i7-7700
- Memory: 4 GB RAM
- Graphics: GTX 960
- Storage: 4 GB available space
Supported languages (2)
OuterRealm 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 OuterRealm?
Steam classifies OuterRealm as a Action, Indie game, developed by CatBun. Play as a Elite soldier in ironclad atomic power armor, collect powerful weapons, crush endless waves of voidborn horrors and step into the realm portal, to finish their demigod masters. An old school FPS,collect items,unlock powerful upgrades,kill boss,find exits,and endless mode.
How much does OuterRealm cost?
As of June 2026, Steam lists OuterRealm at $7.00. Prices and regional pricing change — check the Steam page for the current figure.
Is OuterRealm single-player or multiplayer?
Steam lists these modes for OuterRealm: Single-player. It lists a single-player mode.
Is OuterRealm on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists OuterRealm for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is OuterRealm out yet?
Yes — Steam lists a release date of Feb 9, 2024.
What platforms is OuterRealm on?
OuterRealm 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 OuterRealm single-player or multiplayer?
Steam lists these modes: Single-player.
How much does OuterRealm cost?
Steam lists it at $7.00.
Who made OuterRealm?
OuterRealm is developed by CatBun and published by CatBun.
Where to get OuterRealm
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, CatBun.