EPIC 2
About
All levels are designed for vanilla Doom2. Recommended engines: prBoom-plus with "-complevel 2" and (G)ZDoom in "DOOM (strict)" compatibility mode. Jumping should be disabled.
For OpenGL ports like GZDoom and GLBoom-Plus you can add EPIC2GL.WAD after EPIC2.WAD for HI-RES skies: glboom-plus -file epic2.wad epic2gl.wad