Blind Football

* Gridiron football
o American football — called "football" in the United States and Canada, and "gridiron" in Australia and New Zealand. Sometimes called "tackle football" to distinguish it from the touch versions
o Indoor football, arena football — an indoor version of American football
o Nine-man football, eight-man football, six-man football — versions of tackle football, played primarily by smaller high schools that lack enough players to field full 11-man teams