I've actually done a lileset with blocking tiles with the behavor solid but it do not give the thing i wanted, the player touch it but just his hat and you can glitch when you touch a solid (you can have the same direction when you touch 2 keys in the same time)
you can see by yourself:
(select "continue" and press "ENTER"
Sorry, i'm french ^^!
I really need help, also i'm not on my computer that's why i got the "construct link"
THANKS if you help me :)