Note: This game is also titled Pokemon Stadium: Kingin Crystal.
Defeat all the Gym Leader Castle trainers or win all cups in stadium mode in Round 1 to unlock the Doduo sticker for the GB Tower, allowing you to play Pokemon Red, Blue, and Yellow at double speed. Defeat all the Gym Leader Castle trainers or win all cups in stadium mode in Round 2 to unlock the Doduo sticker for the GB Tower, allowing you to play Pokemon Gold/Silver at double speed. Defeat all the Gym Leader Castle trainers and win all cups in stadium mode in Round 1 to unlock the Dodrio sticker for the GB Tower, allowing you to play Pokemon Red, Blue, and Yellow at hyper speed. Defeat all the Gym Leader Castle trainers and win all cups in stadium mode in Round 2 to unlock the Dodrio sticker for the GB Tower, allowing you to play Pokemon Gold/Silver at hyper speed.
Win all cups in stadium mode in Round 1 to have more Pokemon appear at the title screen. Win all cups in stadium mode in Round 2 for another variation.
Win all cups in stadium mode and defeat all trainers in the Gym Leader Castles to unlock a special Rival Cup in the lower right hand corner of the main map. Select it to fight against Mewtwo, Ho-oh, and Lugia.
Win the Rival Cup to unlock Round 2.
Successfully complete the Johto Gym Leader tower.
Defeat the Elite Four in the Johto Gym Leader Castle with a team of your own, with no rentals or registered Pokemon. When you win you will be able to teach one Pokemon on your team a past move that they forgot or never learned. That is how you can get Pokemon such as Mewtwo to learn Confusion, or Zapdos to learn Peck. You can do this as many times as needed.
At the main screen (with White City, Event Battle, and Battle Now), select "Mystery Gift". Follow the onscreen directions to receive a gift that can be picked up at the Pokemon Lab. You can only use this if you have either Pokemon Gold or Silver in a Transfer Pak.
Note: This trick requires a Transfer Pak and Pokemon Gold or Silver. Make sure your Pokemon Gold or Silver game is saved at a Pokemon Center. Go to the Mystery Gift option. Use Mystery Gift. Go to GB Tower. Use the "Change time " trick and use your password to change the time in Pokemon Gold or Silver. Change the time one day forward. Go back to Mystery Gift on Pokemon Stadium 2 and use it. Repeat this until you get the items you want.
Unlock Round 2 to access Celebi as a rental Pokemon in the Prime Cup competition.
Win the Rival Cup in Round 1 to unlock a Farfetch'd with the Baton Pass move.
Win the Rival Cup in Round 2 to unlock a Gligar with the Earthquake move.
Defeat the CPU in a seven-coin mini-game on the hard difficulty setting to unlock the super hard difficulty setting.
Finish all classes, pass all tests, and win the school battles (beat the Elite Class) to unlock more information at the Library, including all items available in all of the Game Boy Pokemon games.
In "My Room", when you have the video game consoles (NES, SNES, and Nintendo 64) to decorate your room, they will also decorate the television. For example, when you use the NES, games such as The Legend Of Zelda, Donkey Kong, Kirby, and Super Mario Bros. will appear on the television screen. For the SNES, games such as The Legend Of Zelda: A Link To The Past, F-Zero, Kirby Super Star, and Super Mario World. For the Nintendo 64, games such as The Legend Of Zelda: Ocarina Of Time, Wave Race 64, Super Mario 64, and Star Fox 64. There are no decorations for the Virtual Boy.
The Light Ball doubles Pikachu's Special Attack and Defense stats. You can get this by removing the items from Pikachu from Pokemon Red, Blue, or Yellow.
The Thick Club doubles Cubone's and Marowak's Attack power. You can get this by removing the items from Cubone or Marowak from Pokemon Red, Blue, or Yellow.
Play the mini-games with any number of players while a Pokemon game is in the Transfer Pak.
Phanpy, Charmander, Totodile, Mareep, Mankey, Swinub.
Tyranitar, Feraligator, Charizard, Mewtwo, Lugia, Zapdos.
Granbull, Fearow, Lickitung. Lead with Granbull.
Eevee, Golbat, Noctowl. Stick with Eevee's Swift attack which never misses.
Have a Pokemon game in the Transfer Pak when you play the mini-games. The game will search for Pokemon that you own for use in the mini-games. Some of the Pokemon include:
- Gutsy Golbat: Golbat and Crobat
- ClearCut Challenge: Scyther, Pinsir, and Scizor
- Barrier Ball: Mr. Mime
- Topsy-Turvy: Hitmontop
- Furret's Frolic: Furret and Girafarig
- Pichu's Power Plant: Pichu, Elekid, and Pikachu
- Rampage Rollout: Donphan
- Tumbling Togepi: Togepi and Omanyte
- Egg Emergency: Chansey
- Streaming Stampede: Cleffa and Igglybuff
- Delibird's Delivery: Delibird
- Eager Eevee: Eevee
- ClearCut Challenge: Scyther, Pinsir, and Scizor
