12 Rooms of Doom (series)

The 12 Rooms of Doom series is a series of retro-styled games

Main Series
12 Rooms of Doom

12 Rooms of Doom 2

12 Rooms of Doom 3

12 Rooms of Doom 4 (upcoming)

12 Rooms of Doom prequel (upcoming)

Spin-offs
Spin-offs are announced to be on it's way.

Ports
12 Rooms of Doom is announced to be getting a port for the NES.

Compilations
12 Rooms of Doom Collection

12 Rooms of Doom remake compilation