Host a Abiotic Factor server for your friends
Free, on your PC, no port forwarding. Abiotic Factor is planned for our launch catalog. Join the waitlist and we'll tell you the moment it's live.
The co-op breakout where scientists survive a containment breach. The developers published an official dedicated-server guide and the server itself is small. A great first SteamCMD game to host.
Get early access for Abiotic FactorWhat you need
- RAM
- 4-8 GB
- Default server ports
- 7777 (game), 27015 (query)
- Protocol
- TCP + UDP
- Server OS
- Windows, Linux
- Typical group
- 2-6 friends
You never forward any of these. The agent connects outward to our relay; the game's ports stay on your machine.
How hosting Abiotic Factor works
- 01
Install Multiplayer Rally
One Windows app. It installs and manages the Abiotic Factor dedicated server for you. No command line, no config files.
- 02
Pick Abiotic Factor
We set the ports, the settings, and the restart schedule. You pick the world name and who's allowed in.
- 03
Share your link
You get one address your friends paste into the game, and they're in. Nothing to install on their side, no port forwarding on yours.
Abiotic Factor hosting questions
Plan on 4-8 GB of free RAM for a friend-group server. Your PC needs that on top of whatever else it's running; the app checks before installing.
7777 (game), 27015 (query) (TCP + UDP). With Multiplayer Rally you don't forward any of them: the agent makes an outbound connection to our relay, and your friends connect to the relay address.
Yes. Each player needs their own copy of Abiotic Factor to join your server. We host the server side; the game itself comes from the store like always.
Abiotic Factor is in our planned launch catalog. Join the waitlist, pick Abiotic Factor as your game, and we'll email you when it's live.