This game is a cross between a 2D fight and text adventure game. ("Colossal" is an homage to "Colossal Cave Adventure" by Will Crowther.) You are presented with the usual scene of two cats facing off to each other with health bars over head. A description of what's going on (sort of an announcer) is shown giving you hints as to what the opponents next move is. You simply type in a command to initiate your next move. The last cat standing wins!