In Harry's 21st Birthday, you play as Tom, one of Doom's absolutely
charming and horrendously violent Barons of Hell. Tom's buddy Harry (a
Cyberdemon) is celebrating his birthday today, and Tom's throwing a
shindig at his sweet bachelor pad, the Phobos Anomaly (E1M8). Our story
starts with Tom paying a visit to the Fortress of Mystery (E2M9), where
he must convince his cacodemon friend Sally to take Harry out on the
town, so that Tom himself can return home to prepare...
