Linux
Business Model Attribute Image Commercial
Minimum CPU Class Required Attribute Image Intel Pentium 4
Minimum RAM Required Attribute Image 1 GB
Drivers/APIs Supported Attribute Image OpenGL
Media Type Attribute Image Download
Minimum Video Memory Required Attribute Image 256 MB
Input Devices Supported Attribute Image Keyboard, Attribute Image Mouse
Multiplayer Options Attribute Image Internet
Multiplayer Game Modes Attribute Image Co-Op, Attribute Image Free-for-all / One-on-one (VS)
Number of Offline Players Attribute Image 1 Player
Number of Online Players 2-8 Players
Steam Achievements, Cloud, Cross-platform, Steam account required, Trading cards, Workshop

Macintosh
Business Model Attribute Image Commercial
Minimum CPU Class Required Attribute Image Intel Core Duo
Minimum OS Class Required Attribute Image Mac OS X 10.6 (Snow Leopard)
Minimum RAM Required Attribute Image 1 GB
Drivers/APIs Supported Attribute Image OpenGL
Media Type Attribute Image Download
Minimum Video Memory Required Attribute Image 256 MB
Input Devices Supported Attribute Image Keyboard, Attribute Image Mouse
Multiplayer Options Attribute Image Internet
Multiplayer Game Modes Attribute Image Co-Op, Attribute Image Free-for-all / One-on-one (VS)
Number of Offline Players Attribute Image 1 Player
Number of Online Players 2-8 Players
Steam Achievements, Cloud, Cross-platform, Steam account required, Trading cards, Workshop

PlayStation 3
Media Type Attribute Image Download
Video Modes Supported Attribute Image HDTV 720p
Multiplayer Options Attribute Image Internet
Multiplayer Game Modes Attribute Image Free-for-all / One-on-one (VS)
Number of Offline Players Attribute Image 1 Player
Number of Online Players 2-8 Players
PlayStation Network Cross-Buy, Multiplayer, Attribute Image Trophies

PS Vita
Media Type Attribute Image Download
Input Devices Supported Dual Analog Sticks, Attribute Image Microphone, Rear Touch Pad, Attribute Image Touch Screen
Number of Offline Players Attribute Image 1 Player
Number of Online Players 2-8 Players
PlayStation Network Cross-Buy, Multiplayer, Attribute Image Trophies
Miscellaneous Attributes Cross-platform Play

Windows
Business Model Attribute Image Commercial
Minimum CPU Class Required Attribute Image Intel Pentium 4
Minimum OS Class Required Attribute Image Windows XP
Minimum RAM Required Attribute Image 512 MB
Minimum DirectX Version Required DirectX 7.0
Drivers/APIs Supported Attribute Image OpenGL
Media Type Attribute Image Download
Minimum Video Memory Required Attribute Image 256 MB
Video Modes Supported Full screen, Window
Video Resolutions Supported Attribute Image 1920×1080 (FHD), Attribute Image 1920×1440
Multiplayer Options Attribute Image Internet
Multiplayer Game Modes Attribute Image Co-Op, Attribute Image Free-for-all / One-on-one (VS)
Number of Offline Players Attribute Image 1 Player
Number of Online Players 2-8 Players
Steam Achievements, Cloud, Cross-platform, Steam account required, Trading cards, Workshop


Technical information contributed by Sciere (507993), lights out 10000 (16726) and formercontrib (159487)