EXTROCORE
An apocalyptic sci-fi game where you slay demons with style. Jump, dodge, dash, and parry to avoid incoming fire. Use Rewires to shape your build, level up to put points into Attributes and Perks, and progress through the world to unlock more Abilities.
Last Updated: 4/3/2026
| Developer | Dark Sumika |
| Publisher | Dark Sumika |
| Steam App Id | 4218870 |
EXTROCORE
An apocalyptic sci-fi game where you slay demons with style. Jump, dodge, dash, and parry to avoid incoming fire. Use Rewires to shape your build, level up to put points into Attributes and Perks, and progress through the world to unlock more Abilities.
Last Updated: 4/3/2026
- Windows
- Mac
- Linux
About EXTROCORE
EXTROCORE is an Action, and Indie game developed by Dark Sumika. It was released on the Steam Store by Dark Sumika.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, EXTROCORE supports the following features:
- Single-player
- Full controller support
- Family Sharing
Media & Sceenshots
Watch the featured video for EXTROCORE and see the latest screenshots from the Steam Store.

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Features & Categories
Frequently Asked Questions
Soures & References
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EXTROCORE data has been sourced from:
- Valve Corporation. (2026, April 3). EXTROCORE on Steam. Steam Store.
- Valve Corporation. (2026, April 3). EXTROCORE. Steam Community Hub.