Mission Critical
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...
Offers
What are keyshops?Keyshops
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
Multipacks (2)
About Mission Critical
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 - exploration, character interaction and space combat in VGA. Explore a nine-level twenty-second-century battlecruiser and an alien world in seamless, smooth-scrolling 3D.
Game details
Game details
Age ratings
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Features
Mission Critical price history
Lowest tracked price: £1.03 (Jul 7, 2026) · current best: £2.20 across 2 stores.
Mission Critical reviews
94% positive reviews all-time.
Mission Critical — frequently asked questions
Where can I buy Mission Critical at the cheapest price?
Right now the cheapest offer for Mission Critical is £2.20 at Gamivo. KingsPrice compares 2 offers from 2 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Mission Critical has ever been?
The lowest price KingsPrice has tracked for Mission Critical is £1.03 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Is it safe to buy a Mission Critical Steam key from a keyshop?
Keyshops are marketplaces that resell game keys, usually below official store prices. The keyshops listed on KingsPrice deliver genuine Steam keys, but buyer protection differs from official stores — check the shop's rating and refund policy before buying. You can hide keyshop offers at any time with the keyshops toggle. Keyshop prices vs Steam →
How can I get Mission Critical at a discount?
Create a free price alert on this page and KingsPrice will email you when Mission Critical drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
System requirements
Minimum
- OS *: Windows 7, Windows 8, Windows 10
- Processor: Pentium 4, Athlon 64 or later
- Memory: 256 MB RAM
- Graphics: Athlon 64 or later
- Storage: 2 GB available space
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