Doorways Collection Steam CD Key

Windows

OS: Windows XP, Windows Vista, Windows 7, Windows 8 
Processor: Dual core CPU @ 2GHz (Pentium D or better) 
Memory: 2 GB RAM 
Graphics: NVIDIA 6800, ATI 1950 
DirectX: Version 9.0 
Storage: 2 GB available space 
Sound Card: 100% DirectX 9.0c compatible Audio Device 
Additional Notes: Keyboard and mouse or Gamepad

Mac

Processor: 2.9GHz Intel Core i7 
Memory: 2 GB RAM 
Graphics: Intel HD Graphics 4000 512mb 
Storage: 2 GB available space 
Additional Notes: Keyboard and mouse or Gamepad

Linux

OS: Ubuntu 12.04 
Processor: Intel Core i5-2310 CPU @ 2.90GHz 
Memory: 2 GB RAM 
Graphics: NVIDIA GeForce GT 440 
Storage: 2 GB available space 
Sound Card: 100% DirectX 9.0c compatible Audio Device 
Additional Notes: Keyboard and mouse or Gamepad