Master Ball/Core series games/Cameo appearances

Pokémon Stadium 2
In Pokémon Stadium 2, Master Ball appears in the mini-game 's Frolic. It is the largest ball in that mini-game, appearing later than the rest and being worth 5 points.

Pokémon XD: Gale of Darkness
In, Master Balls are used in the Battle Bingo game. The player starts with two and can gain an extra one from one of the ? spaces.

Pokémon Dream World
A decorative rug themed after the Master Ball could be found in the Hero's Catalogue in the Dream World.

Pokémon Ultra Sun and Ultra Moon
The in Team Rainbow Rocket keep their Pokémon in Master Balls.