These requirements are for the older non-VR dev-release. The requirements for Mekside VR are listed on the Steam page.

Minimum

• CPU: Intel Core2 Duo 1.8 GHz or AMD (TBD)
• Memory: 4 GB
• Graphics: Intel HD3000 or Nvidia GeForce 9-series or AMD/ATI Radeon (TBD)
• OS: Windows XP or Linux 64-bit

Recommended

• CPU: Intel Core i3 2.5 GHz or AMD (TBD)
• Memory: 8 GB
• Graphics: Intel HD4000 or Nvidia GeForce 200-series or AMD/ATI Radeon (TBD)
• OS: Windows7, Ubuntu Linux 14.04 64-bit, Debian Linux (Jessie/Testing) 64-bit