Primate Plunge 1.1 game had been ported to OS/2-eCS.
http://hobbes.nmsu.edu/h-search.php?key=primateplunge

"Primate Plunge: an action game originally competed in uDevGame2003, the annual Mac game competition hosted by iDevGames.com.
Help poor Monkey navigate his way down through trecherous jungles, canyons, towering waterfalls, into the heart of a volcano and through the driving rain of a cold industrial city."
Requires:
- MMOS/2 (DIVE, DART)
- Simple DirectMedia Layer 1.2.15
- kLIBC / GCC Runtime Library
Port by: Gianfilippo Cimmino
Source: eCSoft/2