Cheats
Pokemon Stadium
Extra damage
After performing a fighting move, hold A when the move description appears.
Hyper mode
In one player mode with three CPU controlled opponents, successfully complete Who's the best? mode five consecutive times on the hard difficulty setting within one match. Hyper will be unlocked as a new difficulty setting for CPU controlled players.
Different Pokémon colors
Pokémon that you upload from the Game Boy version can have alternate colors. Giving your Pokémon various nicknames will change their colors. Switch syllables, such as calling a Machop a Pohcam. Separate the syllables with a hyphen, like Machop to Ma-chop. Also name each Pokémon using lower-case letters.
Talking Pikachu
Upload Pikachu from your yellow version of the game to Pokémon Stadium. When battling, Pikachu will say its name and have different motions for certain moves.
Get a temporary Mew
Mew will become available, as a rental Pokémon, in the Round two version of the game. He can only be played in the Prime Cup tournament, Gym Leader's Castle, Free Battle, and Mewtwo Battle modes.
Mewtwo battle
Complete all Cups in Stadium mode, and defeat all opponents in the Gym Leader's Castle. Mewtwo is the last opponent you will face in both Round 1 and Round 2 versions of the game.
Different title screen
Complete the Gym Leader's Castle and Stadium modes to change the title screen.
Get additional Pokémon for your Game Boy game
Complete one of the Gym Leader's Castles of the Elite Four or your opponent to acquire one of the following Pokémon that can be transferred to your Game Boy:
Squirtle
Charmander
Bulbasaur
Eevee
Hitmonlee
Hitmonchan
Omanyte
Kabuto |