Screenshots
Watch trailer on Steam ↗Flat Mars
Stromb Interactive · Published by Stromb Interactive
Content notice: Flat Mars will contain Blood and Gore, and Intense Violence
Last updated 7 Oct 2026
Flat Mars is an action roguelike FPS. Shoot your way through millions of demons and tear through the terrain with an arsenal of futuristic weapons to claim powerful relics.
Navigate the chaos of Flat Mars, blasting through hordes of demons with futuristic weaponry. Each relic you claim enhances your arsenal in this intense action roguelike experience from Stromb Interactive.
About this game
A demented deity has taken up residency on Mars. Spacetime is warping and Mars has turned both flat and round. Your mission is to harvest its divine organs. But be prepared, a god has many minions. Fight through millions of mutant demons to claim the relics of the god.
Looping Mars
Explore a looping Mars and find its secrets and challenges. Complete them and be rewarded with powerful relics.
Hordes of Demons
Fight enormous swarms of demonic mutants while never slowing down. Jetpack above them, ski around them or soar through the sky to avoid their rage.
Total Destruction
Tear through the terrain with an arsenal of futuristic weapons. Burn through rock and flesh with screeching beam weapons. Fire mountain-rising grenades or enormous nukes that obliterate everything.
System Requirements
Will my PC run this? →Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Memory: 8 GB RAM
- Graphics: Nvidia RTX 1060 6GB
- DirectX: Version 12
- Storage: 4 GB available space
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 11
- Memory: 12 GB RAM
- Graphics: Nvidia RTX 3060 6GB
- DirectX: Version 12
- Storage: 4 GB available space
Supported Languages
Latest news
Patch NotesOfficial
Demo Patch Notes - v0.2.0
ProgressionAdded character classes. Each class has a specific loadout and may have unique gear.New classes are: the Rookie, the Shock Trooper and the Heavy.Added a progression tree. Unlock new equipment and classes by spending shards in the arsenal menu.Loadout selection is replaced with a class selection.UISome mouse/keyboard and gamepad controls use symbols instead of letters. (ongoing work to replace all)Gaining and spending shards have more visual and auditory effects.In HUD: spent ammo is shown.New cursorCampaignAdded an additional mission to the campaign.Missions have more narrative text.Read full article on Community Announcements (azapa)Patch NotesOfficial
Demo Patch Notes - v0.1.7
Level Editor Removed the default map since changes to that one cannot be loadedUIEquipment controls are now described in the tooltipEquipment animation in HUD when equipping a new equipmentEnd screen when a mission is failed or completedMission dots on the campaign map show completed status both with a symbol and in the tooltipEquipmentMachine gun (minigun) barrel spinsCampaignMinor changes to some missionsRead full article on Community Announcements (azapa)
