A collaboration event between PONOS's and Square-Enix's mobile game, Sangokushi Rumble
The event ran on October 2013.
- During this event, from the Sangokushi Rumble app, new time-limited event appeared: "キモかわ☆にゃんこ" (kimokawa☆nyanko) and Battle Cats characters appears as enemy soldiers.
- When player collect a Cat Food available in the Special Quest Stage, player can get rare items and a "Nyanko Gacha" also appears
- Cat, Gross Cat, Titan Cat,... and other characters from Battle Cats as collaboartion event characters and available in the "Nyanko Gacha"
- October 1st, 2013 to October 14th, 2013.