The phrase "nail platformer" refers to a type of video game where the player controls a character who jumps on and moves around platforms or stages made of nails. Full definition
Super Meat Boy is a tough as nails platformer where you play as an animated cube of meat who's trying to save his gir... (gamefaqs.gamespot.com)
Super Meat Boy is a tough as nails platformer where you play as an animated cube of meat who's trying to save his girlfriend, who happens to be made of bandages. (ab-gaming.com)
The classic tough as nails platformer Super Meat Boy is back, with a Dr. Fetus twist. (theindiebox.com)