The game almost certainly had compatibility promises, eg 'runs on MacOS# with X MB RAM'. It should still do that. The fault would be whoever designed it so a s

The game almost certainly had compatibility promises, eg 'runs on MacOS# with X MB RAM'. It should still do that. The fault would be whoever designed it so a single player (or local multiplayer) game wouldn't run on said system in perpetuity. Mind you, some time in the future an AI will be able to watch Let's Play-style footage and generate the game for you.