Here's a hotfix for my map22 Death gate, while the gameplay remains untouched, cosmetic changes are:
-some textures aligned before the yellow door, and also some decorations are fixed (thing 1040 & 1041 are visible and i added two extra torches)
-some red torches are aligned to walls
-linedef 1901 are color corrected
-the sector with the super shotgun is now marked as secret,also linedef 6446 (the shootable wall) is now a less confusing texture.
-added reverb echo for most sectors like caves and insides
-some sectors are color corrected (like the blue key room) and sector 229 is a bit brighter
Download here