Pokémon UNITE is continuing to add new content, including new playable characters, on a regular basis. Read on below to learn more:
PIKA PARTY!
The Pika Party, a special type of quick battle, is now available to play in Pokémon UNITE. In these electrifying matches, all Pokémon on the field—both wild and player-controlled—are Pikachu!
Source: Official Pokémon UNITE website
Source: Pokemon