Windows
Minimum:
OS: Windows 7 64Bit
Processor: Intel® Core™ 2 Duo 3.0Ghz
Memory: 3 GB RAM
Graphics: (DirectX 11) AMD Radeon HD 5770 1024MB | NVIDIA GTS 450 1024MB | Intel HD4000 @720P
DirectX: Version 11
Storage: 35 GB available space
Additional Notes: *PC Integrated graphics chipsets require 4 GB RAM, e.g. Intel HD series.
Linux
Minimum:
OS: Ubuntu 16.04 or Steam OS 2.0 (64 bit required)
Processor: 3.4GHz Intel Core i3-4130, 3.5GHz AMD FX6300
Memory: 4 GB RAM
Graphics: 1GB Nvidia 650ti or better (driver version 367.28), 2GB AMD R9 270 or better (Mesa 13.0.1 driver compiled using LLVM 3.9)
Storage: 29 GB available space
Additional Notes: AMD GPU's are not supported on Steam OS. Intel GPU's are not supported at time of release.
Recommended:
OS: Ubuntu 16.04 or Steam OS 2.0 (64 bit required)
Processor: 3.4 GHz Intel Core i7-4770
Memory: 8 GB RAM
Graphics: 4GB Nvidia 970 (driver version 367.28), 4GB AMD RX 480 (Mesa 13.0.1 driver compiled using LLVM 3.9)
Storage: 35 GB available space
Additional Notes: AMD GPU's are not supported on Steam OS. Intel GPU's are not supported at time of release.
Mac
Minimum:
OS: macOS 10.12.4
Processor: 2.0Ghz Intel Core i5
Memory: 8 GB RAM
Graphics: All AMD graphics cards released from 2014 onwards, All NVidia cards with 2GB+ VRAM released from 2012 onwards, (MacBookPro only) Intel Iris Graphics 540 & 550 cards released from 2016 onwards
Storage: 37 GB available space
Additional Notes: The following graphics cards are capable of running the game, but do not consistently meet the standards required for official support: All Nvidia cards with 1 GB VRAM released from 2012 onwards, All Intel Iris and Iris Pro cards released from 2013 onwards apart from the 540 and 550 cards listed above.