CM-SS13

Top-down military roleplaying built around squad combat and support duties

CM-SS13 Devs · Published by CM-SS13 Community · Released Feb 6, 2026

Third-party account required

Reviews: Mixed; 64% of 201
Recent reviews: Not enough recent
Players: 4; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 3 weeks ago; Oct 5, 2026
Minimum PC: Integrated . If it can re…; 4 GB RAM · 0.5 GB disk; Full requirements

What is CM-SS13?

A free-to-play multiplayer game set in 2182, when the USS Almayer responds to a distress signal on the frontier. In each round, you fight as a marine or xenonid, or work in support roles treating broken bones and organ damage, managing supplies, and directing troops.

For you if...

+you enjoy coordinating squad tactics over the radio
+you like sandbox rounds shaped by other players' decisions

Not for you if...

−you want straightforward mechanics you can learn immediately
−you dislike taking orders within a military hierarchy

What players say

64% of 201 reviews are positive

Players praise the depth of the systems and the mix of tactical combat and roleplay. The most common complaints concern server moderation, with players describing favoritism and harsh or inconsistent punishments.

Screenshots and trailer

CM-SS13 system requirements

Minimum: Integrated . If it can re…, 4 GB RAM, 0.5 GB of disk space.

As published by the developer.

Can my PC run CM-SS13?

Tell us your graphics card once and every game page will answer this for you.

Set up my PC →

Minimum

OS: Windows 10 (or Windows 7 if you still refuse to update)
Processor: A potato with a pulse. (Any Dual Core CPU from the last decade. Single-core speed is king here because the engine doesn't know what "multithreading" is).
Graphics: Integrated Graphics. If it can render a spreadsheet, it can render this game.
Memory: 4 GB RAM
Storage: 500 MB available space
DirectX: Version 9.0c
Notes: A mouse is required. Touchpads are a death sentence.

Does CM-SS13 have co-op or multiplayer?

Yes: PvP online. There is no single-player mode. Crossplay with other platforms is declared.

Does CM-SS13 run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Third-party account: CM-SS13 Authentication (Supports Linking to Steam Account)
Controller: Keyboard and mouse
Platforms: Windows, Linux
Achievements: 12
Steam features: Family Sharing
Languages: Full audio: English.

Does CM-SS13 use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam