2018-09-20T11:53:55ZFluxBBhttps://forum.opensurge2d.org/viewtopic.php?id=1990It's a Speed Slider zone (day) brickset from Knuckles' Chaotix. I ripped it for development of Rainbow Realm prototype, but the level' brickset was replaced later. I post the images in case someone will find it useful.