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Developer(s) NERD
Latest version 1.9.0
Active Yes
Platform(s) Nintendo Switch
Architecture(s) ARM
Emulates Game Boy
Game Boy Color
Website nintendo.com

Hiyoko is the Game Boy and Game Boy Color emulator used for Nintendo Switch Online.


Game Boy (Color) games were added to the service in February 2023 alongside Game Boy Advance games locked to the Expansion Pack tier. Does not emulate features from Super Game Boy-compatible games and is currently unknown if there are GBA enhancements for certain GBC games.


  • Supports online and Local Play (up to 2 players);
  • Supports tilt controls through gyroscope or normal controllers;
  • Supports infrared emulation;
  • Allows exchange of regional variants in the International version of the app (USA and/or European versions);


Hiyoko has official compatibility for 31 games, which are:

  • Tetris
  • Super Mario Land 2: 6 Golden Coins
  • The Legend of Zelda: Link's Awakening DX (GBC)
  • Gargoyle's Quest
  • Game & Watch Gallery 3 (GBC)
  • Metroid II: Return of Samus
  • Wario Land 3 (GBC)
  • Kirby's Dream Land
  • Alone in the Dark: The New Nightmare (GBC, International)
  • Yakuman (Japan)
  • BurgerTime Deluxe
  • Kirby's Dream Land 2
  • Kirby's Tilt 'n' Tumble (GBC)
  • Blaster Master DX (GBC)
  • The Legend of Zelda: Oracle of Ages (GBC)
  • The Legend of Zelda: Oracle of Seasons (GBC)
  • Pokémon Trading Card Game (GBC)
  • Quest for Camelot (GBC, International)
  • Castlevania Legends
  • Dr. Mario
  • Mario Golf (GBC)
  • Mario Tennis (GBC)
  • Alleyway
  • Baseball
  • Kaeru no Tame ni Kane wa Naru (Japan)
  • Super Mario Land
  • Mega Man: Dr. Wily's Revenge
  • Mega Man II
  • Mega Man III
  • Mega Man IV
  • Mega Man V