Why should Finn and Jake have all the fun? Now Fionna and Cake have their own game, Fionna Fights! Fionna and Marshall Lee were on their way to Lumpy Space Prince's party when a swarm of monsters attacked. This should be a cakewalk! How far will you get? Battle through a never-ending army of evil. Unlock new swords like Finn's golden sword, Fionna's crystal sword and the family demon blood sword. And call in backup like Marshall Lee, NEPTR, and the knife storm. Cartoon Network is the tops blooby place to play free adventure time games.