Sonic Robo Blast 2 is a free 3D Sonic the Hedgehog fan-game built on a heavily modified fork of the Doom Legacy source port of Doom. It is closely inspired by the original Sonic games from the Sega Genesis, and attempts to recreate their classic design in 3D with robust multiplayer and mod support.
The Sonic Robo Blast 2 v2.0.4 patch, which addresses certain issues with network play. This patch is REQUIRED for online network play.
Note: This is an old version intended for archival purposes only. Please view the downloads page for more recent versions.
Simply download this and extract it to your Sonic Robo Blast 2 folder, overwriting the old srb2win.exe. The full Sonic Robo Blast 2 v2.0 download is required, if you don't have that already.