A simple collection of some PICO-8 Mario games.
Super Mario Bros Authentic: https://www.lexaloffle.com/bbs/?tid=31744
Super Mario Bros 0.2: https://www.lexaloffle.com/bbs/?tid=28942
Super Mario Remix: https://www.lexaloffle.com/bbs/?tid=39432
Yoshi in Celeste 2: https://www.lexaloffle.com/bbs/?pid=yoshiceleste2-0
Arcade Mario Bros: https://www.lexaloffle.com/bbs/?pid=arcademariobros_02-1