Pokémon Rumble World is a freemium Nintendo 3DS game released in most regions on April 8, 2015. The game is free to download, but features in-game microtransactions. The game features all 719 species of Pokémon, as well as Mega Evolution and Primal Kyogre and Groudon. It is the fourth entry in the Pokémon Rumble series.

The game is set in the Kingdom of Toys. At the start of the game, the king greets the player's Mii, jealous of a magician who has 10 Pokémon, whereas the king only has one Pikachu. The player's Mii then leaves Castle Town via a hot-air balloon to collect wild Toy Pokémon. As the player befriends wild Toy Pokémon, their Adventurer Rank increases. As their Adventurer Rank increases, more items are available in the shop and the stages will feature more powerful Pokémon.