Doom 2 Operation BIOWAR Level 18 Gunslinger 94% with HND (Mario 1-Ups)

Kills (43/52) and 100% on items and secrets. This level is "Die Heuschrecke". This is it for Operation BIOWAR. We are done here, officially.

Operation BIOWAR: https://www.doomworld.com/idgames/levels/doom2/megawads/biowar

High Noon Drifter forum: https://forum.zdoom.org/viewtopic.php?t=57098