Doom II wad - Emerald Ambush by Rook

Really fun and short map.

Played with the GZDoom source port.

Emerald Ambush by Rook
https://www.doomworld.com/forum/topic/129304-emerald-ambush-one-small-map-for-doom-ii/

GZDoom Source Port
https://zdoom.org/index

Doom II by id Software
https://store.steampowered.com/app/2300/DOOM_II/