Cops 2170 (also known as "The Power of Law") had very solid soundtrack, unfortunately the game was shit, so no one knows about it
Full OST:
https://www.youtube.com/watch?v=jQjWEUYN4Aw&list=PLNNHWMH5RNd7SCgMz2mj144YDYlD2h_81
End game track:
https://www.youtube.com/watch?v=7Ch6OCnitFg
My favorite from this:
https://www.youtube.com/watch?v=uxbfuk8z7tc
I also like Ufo: Aftermath
https://www.youtube.com/watch?v=VM5fBRkuJas&list=PL01AF2B9A57B29393