Synergy (AppID: 17520)

Type: mod Genre: Action, Free To Play Developer: Synergy Team Publisher: Release Date: Oct 2008 Metacritic: 82/100
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Synergy - Steam Analytics & Details

Synergy has 47 current players.

Total Players
47
Genre
Action
Developer
Synergy Team

Media Gallery

Synergy game capsule image

Screenshots

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And 1 more screenshots...

Real-Time Players

47
(24h)

All-Time Peak

26
Oct 2025

Game Insights

Multiplayer Viability

Healthy — 71 CCU.

Strong player base for matchmaking.

▲ Growing population

Frequently Asked Questions

Is Synergy multiplayer dead?
Healthy — 71 CCU. Strong player base for matchmaking.

Genre Benchmarks

Player Count Top 0%

Activity Heatmap

UTC+0 (Your Timezone)
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Latest News

Rebel Rush 2025

Nov 08, 2025 at 22:39 UTC Read More

Synergy 25.03

Mar 24, 2025 at 02:00 UTC Read More

24.12.2 Update

📝 Update
Jan 01, 2025 at 04:45 UTC Read More

24.12.1 Patch

📝 Update
Dec 17, 2024 at 08:56 UTC Read More

24.12.0 Patch

📝 Update
Dec 08, 2024 at 03:05 UTC Read More

Half-Life 2 co-op mod Synergy upgraded for the Half-Life 2 20th Anniversary Update

📝 Update
Dec 03, 2024 at 11:16 UTC Read More

24.11.1 Hotfix

📝 Update
Nov 29, 2024 at 06:04 UTC Read More

Synergy: Half-Life 2's 20th Anniversary Update

📝 Update
Nov 28, 2024 at 03:28 UTC Read More

Rebel Rush Event

Nov 16, 2024 at 22:04 UTC Read More

Rebel Rush: HL Discord

Mar 22, 2020 at 23:28 UTC Read More
Showing 1 to 10 of 11 news items
1 2 Next →

System Requirements

Platform Support
Windows Linux
Windows Requirements
Minimum:
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:
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
Linux Requirements
Minimum:
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
Pricing
Free to Play

Additional Information

Categories
Multi-player Co-op Online Co-op LAN Co-op Cross-Platform Multiplayer Mods Mods (require HL2) Captions available Steam Workshop Partial Controller Support Steam Cloud Valve Anti-Cheat enabled Includes level editor Includes Source SDK
Supported Languages
English*, French*, Italian*, German*, Spanish - Spain*, Danish, Dutch, Korean*, Portuguese - Portugal, Russian*, Simplified Chinese*, Traditional Chinese*
*languages with full audio support
Official Website
http://synergymod.net/

Additional Information

🏆 Achievements
1
total achievements
Featured:
Rebel Rusher
🇧🇷 DEJUS Rating
16
Brazilian rating
🇩🇪 Steam Germany
18
German classification
🆘 Support
⚠️ Content Warning
Synergy's content rating is virtually identical to Half-Life 2's, which includes violence throughout the game but with online play.

Developer Analytics

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About This Game

Synergy enables you to play through the Half-Life 2 series and many other singleplayer Source Mods cooperatively with friends.

Detailed Description

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.

Frequently Asked Questions

How many players are currently playing Synergy?
47 players are currently in-game on Steam.
Is Synergy free to play?
Yes, Synergy is free to play on Steam.
What genre is Synergy?
Synergy is a Action, Free To Play game.
Who developed Synergy?
Synergy was developed by Synergy Team.
What platforms does Synergy support?
Available on Steam for Windows, Linux.