descent2 by videogamepreservation

Descent II (1996) by Parallax Software Corp.

created at Nov. 2, 2012, 6:27 p.m.

Unknown languages

6 +0

87 +0

32 +0

GitHub
Catacomb by CatacombGames

Catacomb source code

created at June 5, 2014, 9:07 a.m.

Unknown languages

15 +0

141 +0

43 +0

GitHub
wolf3d by id-Software

The original open source release of Wolfenstein 3D

created at Feb. 6, 2012, 4:21 p.m.

Unknown languages

123 +0

2,195 +5

430 +1

GitHub