Hacker News with Generative AI: Platformers

Little Sisyphus A physics-based platformer for the NES (pubby.games)
A physics-based platformer about rolling a ball to the top of a mountain, on the NES! You're going to fall, and fall, and fall some more, but it will all be worth it at the top. Just don't forget to collect 80 souls on the way up!
Guide to implementing 2D platformers (2012) (higherorderfun.com)
Having previously been disappointed by the information available on the topic, this is my attempt at categorizing different ways to implement 2D platform games, list their strengths and weaknesses, and discuss some implementation details.