It was way ahead of its time. Having sloped floors, catwalks, transparant textures and moving platforms while still being limited by 90 degree walls. A mouse based shooting with the crosshair moving across the screen and using that same crosshair for your HUD and picking up items. (not unlike what system shock did)
And above all, it’s a lot of fun!
we are the future:
https://archive.org/details/CyClones_1020
https://www.gog.com/en/game/cyclones?pp=0ca9277f91e40054767f69afeb0426711ca0fddd
Don’t threaten me with a good time