Pokémon Rumble World
Pokémon Rumble World is a freemium game for Nintendo 3DS that was released in most regions on April 8, 2015. The game is free to download, but offers in-game microtransactions. The game includes all 719 Pokémon species, as well as Mega Evolution and the original Kyogre and Groudon. It is the fourth installment of the Pokémon Rumble series.
Story
The game is set in the Kingdom of Toys. At the beginning of the game, the king welcomes the player's Mii, who is jealous of a mage who has 10 Pokémon, while the king has only one Pikachu. The player's Mii then leaves Castle City in a hot air balloon to collect wild toy Pokémon. As the player befriends wild toy Pokémon, their Adventurer Rank increases. The higher the Adventurer Rank, the more items there are in the store and the more powerful Pokémon there are in the levels.