* The game runs in old Windows OS, but Steam is not * The game is created on standarts of beginning of 1990's, and that's why: - it has funny system requirements for 2016 year - it doesn't use 3D accelerator - it can't run in HD resolutions - it uses a limited color palette (Operation Bodycount, 256 colours) - awesome midi music tracks (Thanks a lot to Jimmidies) - you can use mouse, but you can't look up or down (no need to use it in gameplay) - one ammo type for ev...

I don't believe steam itself can run on Windows 98.

Seems like mouse input just stops reading if you turn too fast, and sometimes you can hold LMouse to fire, other times it just doesn't work. Any ideas how to fix?

https://www.indiedb.com/games/merger-3d/downloads Update: Game is removed because original developer is working on a remake. See comment below for the link to the demo version of the remake

something for an upcoming patch ;)