Synergy is a simple Half-Life 2 Modification (Mod) that enables you to play through the Half-Life 2 series and many other 3rd-party campaigns cooperatively with friends.
Minimum OS *: Windows® 7 (32/64-bit)/Vista/XP Processor: 1.7 GHz Processor (Requires support for SSE2) Memory: 512MB RAM DirectX: DirectX® 8.1 Hard Drive: 1 GB available space Sound Card: DirectX Compatible Network: Broadband Internet connection
Recommended OS *: Windows® 7 (32/64-bit)/Vista/XP Processor:Pentium 4 processor (3.0GHz, or better) (Requires support for SSE2) Memory: 1GB RAM DirectX: DirectX® 9
Minimum OS: OS X Mountain Lion 10.8 Processor: 1.7 GHz Processor Memory: 1GB RAM Graphics: NVIDIA GeForce 8 or higher, ATI X1600 or higher, or Intel HD 3000 or higher Hard Drive: 1 GB available space Network: Broadband Internet connection
Minimum OS: Ubuntu 12.04, SteamOS Processor: 1.7 GHz Processor Memory: 1GB RAM Graphic Card: NVIDIA GeForce 8 or higher, ATI X1600 or higher, or Intel HD 3000 or higher Hard Drive: 1 GB available space Sound Card: OpenAL Compatible Sound Card Network: Broadband Internet connection
