XCOM: Enemy Within

Release date: 11 November 2013
Developers: Firaxis Games, Feral Interactive (Linux)
Publishers: 2K, Feral Interactive (Linux)
Reviews: 90.62% positive (1304/1439)
Metacritic: 86
Type: dlc

Minimal requirements:

• OS *: Windows Vista or later
  
• CPU: 2 GHz Dual Core (Core 2 Duo 2.4 GHz or Athlon X2 2.7 GHz) CPU
  
• Memory: 2 GB RAM
  
• GPU: 256 MB Video Memory NVIDIA GeForce 8600 GT / ATI Radeon HD 2600 XT or greater
  
• Disk space: 20 GB
  
• Sound Card: DirectX compatible sound card