A mere day after Red Alert 3 became available on Steam, here comes another big EA title from this holiday season. Dead Space is now available to buy through the digital gaming service.

The game costs the standard $49.99. Here are the system requirements if you don't already know:

• Supported OS: Microsoft Windows® XP SP2 or Vista
• Processor: 2.8 GHz or faster
• Memory: 1 GB RAM or more for Windows XP (2 GB for Vista)
• Graphics: DirectX® 9.0c compatible video card, Shader Model 3.0 required, 256 MB or better, NVIDIA GeForce 6800 or better (7300, 7600 GS, and 8500 are below minimum system requirements), ATI X1600 Pro or better (X1300, X1300 Pro and HD2400 are below minimum system requirements)
• Hard Drive: 7.5 GB free space
• Sound: DirectX® 9.0c compatible sound card

Dead Space was released for PS3 and 360 on October 14th and for PC on October 20th. For more information on the game, check out Blend Games' review.