Hello there people look at this .

[PEOPLECANFLY]

Probably you already know but you can play the old school games Wolfenstein 3D and Spear of Destiny Series on GZDOOM and no they aren't modes are the games but are just converted to be playable one GZDOOM ZDOOM and SKULLTAG ports.The games are the same no mod or anything just converting.

http://www.afadoomer.com/wolf3d/default.php