Haha, sorry if it's been an obvious thing to point out. You should see how upset I get at 'retro' games with inconsistent pixel sizes or pixel rotation.

I like the idea of designing sprites etc. right on the system, reminds me of messing about on SEUCK when we were kids: https://en.wikipedia.org/wiki/Shoot-%27Em-Up_Construction_Ki... my brother found and uploaded one of his experiments years later: https://www.youtube.com/watch?v=1i8UhseK260