Platform(s): Sun SPARC/Sparcstation/Ultrasparc
Estimated year of release: 1994-1997
Graphics/art style: Window application started from within the Sun SPARC UNIX window manager
Notable characters: Many men appearing on platform level. The men looked somewhat like military and the platform level looked like an industrial environment or a military base, with grey steel constructions.
Notable gameplay mechanics: It displayed a platform arcade style with many men who looked the same
Other details: I think is was a free or shareware game from MIT. It reminded me of the game named Green Beret but it wasn't Green Beret.