Expansion to the base game which allows the Acrobatic Cat variant to be played, as well as a standalone game using just the components of the expansion. The standalone game is for 2 players and comprises of the stacking mechanic of the original game. The actions on the dice are different though, and there aren't any cat tokens in the game. For playing the Acrobatic Cat variant you need the components of the original game. Apply stickers from the Plus game to the backsides of the cat tokens from the original game. The stickers contain special acrobatic actions for the cats to perform. The cards from Cat Tower Plus can also be used to play the original game with up to 6 players. Integrates with Cat Tower Cat Tower Lite