Linux
Business Model Commercial
Minimum RAM Required 4 GB
Media Type Download
Minimum Video Memory Required 1 GB
Input Devices Supported Gamepad, Keyboard, Mouse
Number of Players: Offline 1 Player
Steam Add-on Content (DLC), Steam account required, Steam achievements, Steam cloud, Steamplay, Steam trading cards
Notes OS:Ubuntu 14.04 or Steam OS 2.0 (64 bit)
Processor:Intel i3 or AMD FX-6300 Memory:4GB Memory
Hard Drive:15 GB HD space
Graphics:Nvidia GeForce 640 with 1GB of Video Memory (Driver version 64.12 tested), AMD R7 260X (Driver version MESA 11.2 tested).

Macintosh
Business Model Commercial
Minimum OS Class Required Mac OS X 10.9.1
Minimum RAM Required 4 GB
Media Type Download
Minimum Video Memory Required 512 MB
Input Devices Supported Gamepad, Keyboard, Mouse
Steam Add-on Content (DLC), Steam account required, Steam achievements, Steam cloud, Steamplay, Steam trading cards
Notes Processor:2.0 GHz
Hard Drive:14 GB HD space required
Other Requirements:The following graphics cards are not supported: ATI X1xxx series, ATI HD2xxx series, Intel GMA series, Intel HD3000, NVIDIA 7xxx series, NVIDIA 8xxx series, NVIDIA 9xxx series and NVIDIA 3xx series.
Intel HD4000 series cards require an Intel i7 CPU or better.

PlayStation 3
Media Type Attribute Image Blu-Ray Disc
Video Modes Supported HDTV 720p, Progressive Scan (480p)
Sound Capabilities Attribute Image Dolby Digital, Attribute Image DTS
Multiplayer Options Internet
Number of Players: Offline 1 Player
Number of Players: Online 8 Players
Multiplayer Game Modes Free-for-all / One-on-one, Team
Miscellaneous Attributes Vibration
PlayStation Network Add-on Content (DLC), Lobbies/Matchmaking, Messaging/Friend invite in game, Multiplayer, PlayStation Home integration, Trophies, Voice Chat

Windows
Business Model Commercial
Minimum CPU Class Required Intel Dual-Core
Minimum OS Class Required Windows XP SP3
Minimum RAM Required 1 GB
Media Type Download, DVD-ROM
Minimum DirectX Version Required DirectX 9.0c
Video Modes Supported Full screen
Minimum Video Memory Required 512 MB
Input Devices Supported Gamepad, Keyboard, Mouse
Number of Players: Offline 1 Player
Number of Players: Online 8 Players
Multiplayer Game Modes Free-for-all / One-on-one, Team
Steam Add-on Content (DLC), Steam account required, Steam achievements, Steam cloud, Steamplay, Steam trading cards
Notes Processor: Dual core CPU: AMD Athlon64 X2 2.1 Ghz (4050+), Intel Core2 Duo 1.86 Ghz (E6300)
2 GB RAM required for Windows Vista or newer.
Graphics: DirectX 9 graphics card: AMD Radeon HD 2600 XT, nVidia 8600 or better
12GB free hard disk space required.

Xbox 360
Media Type DVD-ROM
Video Modes Supported HDTV 1080i, HDTV 1080p, HDTV 720p
Sound Capabilities Attribute Image Dolby Digital
Multiplayer Options Internet
Number of Players: Offline 1 Player
Number of Players: Online 8 Players
Multiplayer Game Modes Free-for-all / One-on-one, Team
Xbox/Windows Live Achievements, Content Download, Online Multiplayer, Scoreboard/Leaderboard, Voice Chat
Notes 4.5 MB to save the game


Technical information contributed by Evolyzer (11904), Sciere (393333) and formercontrib (159880)