MAP12

A level called MAP12 appears in each of several different games and megawads:


 * MAP12: The Factory in Doom II
 * MAP12: Crater in TNT: Evilution
 * MAP12: Speed in The Plutonia Experiment
 * MAP12: Altar Of Pain in Doom 64
 * MAP12: The Temple of the Oracle in Strife
 * MAP12: Entropy in Alien Vendetta
 * MAP12: Redemption in Community Chest 2
 * MAP12: Great Halls of Fire in Hell Revealed