A Megawad in Two Weeks (2007)

DOOM: A Megawad in Two Weeks is a 16-level megawad for Doom II and the ZDoom source port, created by members of the Doomworld community, led by Alexis Aiello (Vegeta). As the name implies, this project was built over the course of two weeks, and includes three new boss enemies via DECORATE – despite this though, the WAD otherwise follows the classic Doom gameplay formula.