Mesh acting weird in-game

My meshes looks weird in-game but is fine in studio. Check attached images.
I’ve searched through the forums and haven’t found a solution yet.

Roblox Studio:

Roblox Player:

is it a virus is this realaaaaaaa

i think its a loading issue but that looks extremely cursed

Fixed after I disabled third-party sales for some reason

Oh. Werid. Something probably hacked your game.