Synergy enables you to play through the Half-Life 2 series and many other singleplayer Source Mods cooperatively with friends.
Recent Reviews:
Very Positive (56) - 87% of the 56 user reviews in the last 30 days are positive.
All Reviews:
Very Positive (10,006) - 90% of the 10,006 user reviews for this game are positive.
Release Date:
Sep 1, 2005
Developer:
Tags

Sign in to add this item to your wishlist, follow it, or mark it as ignored

Community-Made Mod

This game requires that you own Half-Life 2.

Click here to learn more about mods on Steam.

Install Synergy

Half-Life 2 Mod

 

About This Game

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.

System Requirements

Windows
macOS
SteamOS + Linux
    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
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
    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
* Starting February 15, 2024, the Steam Client will no longer support 32-bit games or macOS 10.14 or lower.
    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

Customer reviews for Synergy

Review Type


Purchase Type


Language


Date Range
To view reviews within a date range, please click and drag a selection on a graph above or click on a specific bar.

Show graph



Playtime
Filter reviews by the user's playtime when the review was written:



No minimum to No maximum

Display
Show reviews in selected display order





Learn More
Show graph
 
Hide graph
 
Filters
Excluding Off-topic Review Activity
Playtime:
Played Mostly on Steam Deck
There are no more reviews that match the filters set above
Adjust the filters above to see other reviews
Loading reviews...