Player can walk through walls

Can you explain further?
first off, you check if the collision of the actor is set to block all (or anything that doesn’t overlap the collision of the walls)
second off, what is the movement of the box like?
If you can include a gif or a picture of the blueprint of the box that’d be helpful too

so, I have no idea why but I have a character model that is a cube with a cube collision box but for some reason it can walk through walls and I have no idea why. any ideas?

the collision is set to block all on both the walls and the actor. and the movement is simple up down left right top down.

Make sure BOTH cube and cube collision are set to “block”. Make sure object types are set-up properly like you don’t have the cube or collision set to be a pawn or something that “overlaps” all.