They included classics like Pitfall, River-Raid, and Keystone Kapers. You would think Atari 2600 would be one such example – but Alas, there wasn’t any 68k-built Atari 2600 emulators back then… or so we thought.īack in the 90s, Activision released a few anthology games on floppy for Macintosh. The classic Mac OS had a plethora of emulators targeting various platforms like Apple II, NES, TRS-80, IBM PC, and so forth.