A collaboration event between Nyanko Daisensou and the idle game Survive! Mola Mola! (生きろ！マンボウ！, Ikiro！ Manbō！, Live! Sunfish!) was originally held from April 3rd, 2015 to May 3rd, 2015. The collaboration includes an exclusive Gacha, stages, Catnip Challenges and stamps going on during collaboration the period. The game is published by SELECT BUTTON Inc. 

- The Battle Cats Miraheze Wiki