Yes, laudelino, the coder, did not reused the first game code on the Prologue, it's all coded from scratch, so now the platform engine is much better. Devwill Too MD (2019) was our first mega Drive game, laudelino was learning how to code on sgdk (he never coded on C before). So we did or best besides our ouws limitations. On Prologue the collisions are better for sure, not perfect, but much better and forgiviness to the player them on the first game. Thanks for pointing that out =)