I remember how I played this game from an "not so legal" copy my father brought home.
Sadly it missed music and cutscenes but it was darn fun!
Played it multiple times.
The variety of weapons was good, enemies standard for this age but had a lot of details in the texturework.
There were even buttons to press to activate traps for the enemies.
Enemies could also fake death if I remember correctly; they would roll aside if you pass them and try to shoot you in the back.
If the player hovered the crosshair over a corpse, it would turn into a "kick me", signing the playe rto jump on the corps for checking it ^^
I guess it is comparable with Duke Nukem 3D, just in 2D, by its humor.
Would be great to be finally able to play it!