Four short, simple maps for vanilla Doom II. The brawls start out relatively easy, but reach early-Plutonia levels by the end of MAP04. CRUD is 100% vanilla-compatible, and has been tested with DOOM2.EXE v1.9 through DOSBox. Meant for single-player, but works with co-op. Three demos are included in the wad. They're worth a watch, (or skip) as they might reveal some secrets. Spoiler alert. Level themes include gray brick castle, brown brick castle, slimy brown brick castle, and brown brick city. I think it all works together very well.