Robocraft servers emu v1.0.0
Robocraft servers emu v1.0.0
This marks the first major release of Robocraft support. This has complete core functionality and some improvements over v0.4.0 which makes it worth calling a "stable" release. ### Install Download `servenvmulti.config` and place it in the same folder as your Robocraft executable (i.e. where ...

OpenJam's rc-servers is a collection of re-implemented Robocraft web services. Robocraft was an online vehicle combat game where you build your own vehicle (robot) out of blocks and then fight others' vehicles in a few different game modes. The official servers were shut down by FreeJam in January 2025.
These servers are intended for self-hosting but I've also got a reference instance running. There are also other instances running in Japan and the USA. I've been having a fun time reverse-engineering the expected server behaviour from the client as well as figuring out the niche communication protocols.