Commander, customize and build your Mechanical Assault Skeleton Suit (M.A.S.S.) and lead the fight against an alien invasion bent on exterminating the human race. The fate of humanity is in your hands.
Developer: Vermillion Digital
Publisher: Sekai Project
Genres: Action Early Access Indie RPG Strategy
Tags: Action Action RPG Anime Character Customization Combat Crowdfunded Futuristic Gun Customization Hack and Slash Indie Mechs Multiplayer Post-apocalyptic RPG Robots Sci-fi Shooter Singleplayer Third Person Third-Person Shooter
Release Date: Sept. 14, 2025
Reviews: 3629 (Very Positive)
Platforms: Windows
Languages: English, Japanese, Simplified Chinese, Thai, Traditional Chinese
Steam Achievements: None
Estimated Sales: $2,720,661
Categories: Co-op Family Sharing Full controller support Multi-player Online Co-op Single-player Steam Cloud
AppID: 956680 (game) - 22 Screenshots, 1 Videos on store page.
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