Stein.
SUMS is a 2D roguelike multiplayer game. Fight with friends through dangerous dungeons, choose your class and escape the cursed island of the mad professor Vincent. Cooperate, collect points and survive together!
Last Updated: 9/11/2025
| Developers | |
| Publishers | |
| Steam App Id | 1963850 |
Stein.
SUMS is a 2D roguelike multiplayer game. Fight with friends through dangerous dungeons, choose your class and escape the cursed island of the mad professor Vincent. Cooperate, collect points and survive together!
Last Updated: 9/11/2025
- Windows
- Mac
- Linux
About Stein.
Stein. is an Indie, Adventure, Casual, RPG, Action, Simulation, and Strategy game developed by Patricia, MoonDust, Vinc, and DragonMouse Studio. It was released on the Steam Store by Vinc, DragonMouse Studio, and MoonDust.
It can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Stein. supports the following features:
- Single-player
- Co-op
- Steam Cloud
- Family Sharing
- Steam Achievements
- Full controller support
- Stats
- Multi-player
- Steam Leaderboards
- Online Co-op
Media & Sceenshots
Watch the featured video for Stein. and see the latest screenshots from the Steam Store.
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Frequently Asked Questions
Soures & References
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Stein. data has been sourced from:
- Valve Corporation. (2025, September 11). Stein. on Steam. Steam Store.
- Valve Corporation. (2025, September 11). Stein.. Steam Community Hub.