Official specs from Steam
Alien: Isolation 2 system requirements
Minimum and recommended PC specs as listed by the developer on Steam.
Minimum
| OS | Windows 10 |
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Recommended
| OS | Windows 11 |
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FAQ
Does Alien: Isolation 2 run on Mac or Steam Deck/Linux?
There is no native macOS version. There is no native Linux build (Proton compatibility may vary).