Here you can tell other participants what your favourite game(s) was/where, and why!

Didn't try everything yet (I will!!)

So far BLAMM is the most polished:
https://itch.io/jam/1-button-jam/rate/334436

A very good game, playable solo or coop, with nice aesthetics and good gameplay.

But several other games were very promising and I'd like to see upgraded versions!