Sonic Robo Blast 2 is a fangame based on Sonic the Hedgehog made in the Doom engine.
It's also got some pretty damn cool modding capabilities.
I'll start off by showing off a GIF of a mod I'm making for SRB2 Kart.
SRB2 Riders is back, baby! /hj
(If anyone has questions, I'll answer them lmao)