Guys, those 64x64 "LOWREZ" challenges have been inspiring me over the past few years they've been on, I love them. I've never entered one but it did seem like a cool way to try and cram a full platform game into Pico-8, to overcome the map size limitation.
Well it took me many months, but I finally re-created "Alex Kidd in Miracle World" inside of Pico-8. The game's page covers what made it in (all the cool parts) and what was cut (minor things like the puzzle room at the end).
It's totally free and I'd love for any fans of Alex Kidd to tell me what they think. Or anyone else for that matter :)