| App Type | game |
| Release Date | Jun 1, 2010 |
| Details Last Modified | January 29, 2026 (8 months ago) |
| Developer | Obsidian Entertainment |
| Publisher | SEGA |
| Genres | Action, RPG |
| Supported Systems |
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| Price | $19.99 |
| Required Age | 17+ |
| Metacritic | 73/100 |
| Recommendations | 3,330 |
| Packages | 1 |
| Website | http://www.alphaprotocol.com |
| Support | https://support.sega.com/hc/en-us |
Loyalty carries a price and no one knows this more than agent Michael Thorton. A talented young agent cast out by his government, Thorton is the only one with the information needed to stop an impending international catastrophe.
Family Sharing
Single-player