| App Type | game |
| Early Access | Jan 23, 2026 |
| Release Date | Unknown |
| Details Last Modified | January 30, 2026 (8 months ago) |
| Developer | Two Horn Unicorn |
| Publisher | Two Horn Unicorn |
| Genres |
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| Supported Systems | Windows |
| Price | $7.99 |
| Required Age | 0+ |
| Packages | 1 |
| Support Email | steam@twohornunicorn.com |
S.E.M.I. is a single-player and co-op action platformer with puzzle elements. Play as patients of an unusual clinic, take experimental drugs, interfere with each other, and be ready for chaos and unpredictable side effects!
Co-op
Custom Volume Controls
Family Sharing
Full controller support
Multi-playerOnline Co-op