Yes it did, and yes it could, although I never saw it run on anything else - or if I did i didn't recognise it... AFAIU the atari version was a little more cap

Yes it did, and yes it could, although I never saw it run on anything else - or if I did i didn't recognise it... AFAIU the atari version was a little more capable and a bit more fun than the other versions, due to Apple suing DRI and crippling later versions to comply with Apple's demands, yet somehow Atari was excluded from those demands since they bought rights to the source code for further development so continued with the original concept.