PPAP is the collaboration stage between Pikotaro and Battle Cats. The enemy in the base is the PPAP singer. The base appears to have Pen-Pinapple-Apple-Pen respective to the song. Beating this stage, the player will receive Pikotaro as a Rare Cat and keep him indefinite.
- Pikotaro has Metal attribute, so fast-hitting Cats and any Cats that can do Critical damage can defeat him in one hit.
- Just spamming Cat and Tank Cat is enough to beat this stage.
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