GOG
Official storestaleMission Critical · PC
US · USD · GOG
Observed in US; account country, platform and store conditions apply.

Game artwork supplied by GOG. Rights belong to the publisher.
Mission Critical · PC
US · USD · GOG
Observed in US; account country, platform and store conditions apply.
THE ULTIMATE GAME OF SURVIVAL...
The hull of your crippled vessel has ruptured, air is leaking into space, and weapons systems are down. Your mission could have ended fifteen years of interstellar war, but now - as the only remaining crewman - your first order of business is to stay alive...
This thrilling adventure will take you from the bridge of the battlecruiser USS Lexington to the surface of the stark and deadly planet Persephone. In an alien landscape of endless rock spires under skies of crackling electrical storms you open a crystalline portal to another time and are faced with a terrible choice and the ultimate question:
What does it mean to be human?
NONSTOP ACTION - Salvage a crippled starship, survive a vicious battle in deep space, explore a vast alien installation, align a wormhole across four dimensions and decide the fate of mankind.
TOTAL IMMERSION - Full motion video integrated into a 3D animated world. Layered sound effects and a thrilling musical score take you on a gripping odyssey in deep space.
A DAZZLING VIRTUAL WORLD -…
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Included content and base-game requirements have not been verified in the published record. Check the linked product source before buying.
Play on: PCCheck product contents and requirements ↗US / USD · GOG · This exact edition and purchase conditions only.
Latest recorded price: USD 1.39 on Oct 14, 2026, 05:51 AM UTC; unchanged compared with the preceding observation on Oct 14, 2026, 05:06 AM UTC.
Dots are observations, not a continuous record. Prices between observations are unknown.
USD 1.39 lowest in the displayed observations, from Oct 14, 2026, 04:26 AM UTC to Oct 14, 2026, 05:51 AM UTC.
| Observed at (UTC) | Price |
|---|---|
| Oct 14, 2026, 04:26 AM UTC | USD 1.39 |
| Oct 14, 2026, 05:06 AM UTC | USD 1.39 |
| Oct 14, 2026, 05:51 AM UTC | USD 1.39 |