Receiving Yard (MAP02) [Doom & Retro FPS Mods] Combustion is a six-map vanilla-compatible WAD for Doom II, released in 2025 by Fiendish. Set across short to medium Earth-techbase levels, it emphasizes fast, run-and-gun combat with moderate difficulty, harder than the IWADs but easier than later Alien Vendetta or Scythe 2. It uses complevel 2 and has been tested in DOS, Chocolate Doom, CRL, DSDA-Doom, and GZDoom (with pistol starts). The WAD includes custom textures, co-op starts (untested), and