ExtraHosting since 200724/7 SupportInstant SetupPanel BackupsAll features (9)
✓ 24/7 Support
✓ Instant Setup
✓ Panel Backups
✓ FTP / File Access
✓ Mod / Workshop Support
✓ TCAdmin
✓ Game File Transfer
✓ Global server locations
✓ DDoS Protection
USD figures are converted from each host's own currency at the daily ECB rate and are approximate. The default order is by Trustpilot rating; paid placement never changes it. Full feature lists are under More Info.
FROM THE TABLE ABOVE
Synergy Server Hosting: Quick Answers
Which Synergy server host has the best reviews?
Streamline Servers, rated 4.4 on Trustpilot from 127 reviews. Ratings checked 2 October 2026.
Counted by Mr Byte from Steam's public server list on . Each figure is what the servers report about themselves. A host can give your own server different ports.
Hosting a Synergy server
Synergy is a free Half-Life 2 modification from the Synergy Team that lets you play through the Half-Life 2 series, and many third-party single-player Source mods, in co-op with friends. It has been on Steam since 2008 and needs Half-Life 2.
Synergy supports Steam Workshop content and uses Valve's Source engine, so community servers can run custom campaigns and maps. A rented server keeps your co-op campaign open for friends to join.
What to compare
File access. Check you can upload maps, campaigns and plugins yourself.
Slot pricing. Compare the cost for the size of your co-op group.
Location. Pick a datacentre close to your players for smoother firefights.
Updates. Look for a host that keeps the server in step with Synergy updates.
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