Deus Ex absolutely had an official Mac port at the time! It worked on OS 9 as well as Classic mode in early OS X. Came out a month or so after the PC version in 2000.

I've still got an old G4 tower with a working install.

> https://www.macintoshrepository.org/3777-deus-ex

> https://gamefaqs.gamespot.com/mac/562944-deus-ex/reviews/108...