| App Type | game |
| Release Date | Jan 25, 2026 |
| Details Last Modified | February 21, 2026 (7 months ago) |
| Developer | Yiğit Çakman |
| Publisher | Yiğit Çakman |
| Genres | Action, Adventure, Free To Play, Indie |
| Supported Systems |
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| Windows |
| Price | Free |
| Required Age | 0+ |
| Support | URL https://steamcommunity.com |
| Support Email | yigitcakman78.87@gmail.com |
In the semi-open world horror game Protocol X, you must uncover a dark past in 1975 Germany, survive deadly experiments, save your family and the Weltel family, and race against time in a historical story shaped by multiple endings.
Family Sharing
Narrated Game Menus
Single-player