Trivia[]
- Robo Ball appears in the artwork for and is quoted in the description of . It also appears in the artwork for and .
- Prior to Version 1.15, Robo Ball had no music theme of its own; when leveling up, theme ▶️ was played instead.
Update History[]

- Fixed issues regarding Reflective Shell not recognizing the proper base attack with some special units and card effects.

- Changed . New description: "Base Attack is 0 in this battle. Absorb up to 2 damage. Gain an additional +2 Attack for every damage absorbed. Can only be used when defending." (Previously: Base Attack is 0 in this battle. Gain an additional +2 Attack for every damage taken, up to +4. Can only be used when defending.)