Round 2
Successfully complete the game to unlock a much harder version of the Stadium,
Gym Leader Castle, and Mewtwo Battle modes.

Play Pokémon faster
Successfully complete the entire Poké Cup to get a sticker on the GB Tower.
This will allow you play Pokémon on the Nintendo 64 twice as fast. If you beat
the Masterball in the Prime Cup, a "Superfast" setting will be unlocked in the
GB Tower. The title will change to "Doduo GB Tower". Press C-Left to activate
it.

Get Pokémon presents faster
Successfully complete the Gym Leader Castle. Then when you want to complete it
again, go to the Gym Leader Castle, go directly to the Elite 4, and defeat your
rival.

Bonus stickers
Successfully complete R-1 mode, defeat Mewtwo, complete R-2 mode, and defeat
Mewtwo again. Enter the gallery screen, then hold L + R and highlight the
"Print" option. Keep holding the buttons until "Print" changes to "Bonus" to
access sixteen more stickers.

Start with all three beginning Pokémon
When you start a new game, you can start with all three beginning Pokémon by
starting over and choosing one of them in the Game Boy Pokémon game. Then,
capture a Pidgey or Rattata. Save it to the boxes on Pokémon Stadium. Repeat
the steps with a different Pokémon until you get all three. You can also save
and keep Pokémon from your old game that you still want before starting over.

Avoid recoil damage
If you use an attack that you know will kill the opposing Pokémon, but will hit
you with the recoil, make sure that your Pokémon has at least 20 HP left. Use
the attack and you will not suffer the recoil damage.

Take less damage
Use the following trick when your Pokémon is receiving a fatal attack, such as
when Thunder is used on a Water Pokémon, to leave you with enough HP to attack
your opponent once. When your opponent's Pokémon begins to use their attack,
hold Down + L + B until the energy takes its affect. When the energy leaves,
you will have a chance to strike your opponent's Pokémon. Note: This trick only
works between 70% to 80% of the time. This will not work if Pokémon are totally
mismatched, such as when a level 50 Pokémon is fighting a level 100 Pokémon.

Inflict greater damage
While your Pokémon is doing their attack, hold Down + L and repeatedly press A.
Then when your Pokémon attacks, hold Down + L + A until the damage is taken.
This is very effective when you attempt a fatal attack. Note: This trick only
works between 80% to 90% of the time.

Attack first
Immediately after you choose a move and you want to go first instead of the
CPU, hold L and press A. Note: This trick only works about 50% of the time,
mostly in the Pika Cup.

Trade without a second transfer pak
Put a box on the game, then put the Pokémon from a different game or the same
one in the box. Then, go back to the lab and put the box back on the game that
you are trading to, go to the box, and withdraw the Pokémon when you want or
need it. Note: This also works with items.

Give Pokémon to another Game Boy pak without getting one back
Place the desired Pokémon in a separate box from which you have your regular
Pokémon. Transfer that box to the 64box on the Nintendo 64. Shut off the system
(if you only have one transfer pak) and insert desired Game Boy pak. If you
have two transfer paks, then just switch the Game Boy pak with the one you are
going to trade to. Then, transfer the box with the Pokémon in it to the other
Game Boy pak and you will have the Pokémon without giving one in return.

Amnesia Psyduck
Get all 151 Pokémon in the hall of fame.

Surfing Pikachu
Successfully complete the game.

Teach Your Surfing Pikachu
Successfully complete the game to unlock Surf for Pikachu. To teach your
Pikachu Surf, unlock Round 2. Then, get up to the Masterball setting on either
the Poké Cup or Prime Cup (in Round 2). Complete the Masterball setting with
Pikachu as one of your active Pokémon each round (he must be one of the three
you choose to battle with). If you lose, you cannot continue (it must be a pure
win and the Pikachu may not be part of a registered team or a "Rental"). If you
succeed, the game will congratulate you and ask if you would like to replace
one of Pikachu's moves with Surf. Select "Yes", then choose the move to be
forgotten. The Pikachu will now pull out a surfboard and ride the wave whenever
Surf is used.

Surfing Raichu
Get a Raichu that knows SURF (as seen by Surge's Raichu). It will put its tail
under itself and use it as a surfboard.

Talking Pikachu
Upload Pikachu from the yellow version of the game to Pokémon Stadium. When
battling, Pikachu will say its name and have different motions for certain
moves. Note: You must go to battle for this to work. Do not register Pikachu.

Mew
Mew will become playable, as a "Rental" Pokémon, in the Round 2 version of the
game. He can only be played in the Prime Cup tournament, Gym Leader's Castle,
Free Battle, and Mewtwo Battle modes.
Mew in Prime Cup
This trick requires a Game Boy Game Shark and Pokémon Yellow. First start the
game and enable the Game Shark code to catch Mew. Put it first in your line-up,
then save the game. Go to the Game Shark screen and enable the code for the
first Pokémon in your line-up to be any desired Pokémon. Check your stats and
it should display your selected Pokémon's picture, but with Mew's name and
information. Save the game. Place the game in the transfer pak and go to the
Pokémon Stadium building. When prompted to select Pokémon, choose the one that
was Mew. When you start the match, the Pokémon will be Mew.

Mewtwo Battle
Successfully 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.

Round 2
Successfully complete the game to unlock a much harder version of the Stadium,
Gym Leader's Castle, and Mewtwo Battle modes.

Kids Club Hyper mode
In one player mode with three CPU controlled opponents, successfully complete
"Who's the best?" five consecutive times on the hard difficulty setting within
one match. Hyper will be unlocked as a new difficulty setting for CPU
controlled players.

More Alternate 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 "Mewtwo" to "Twomew" (blue color). Separate the
syllables with a hyphen, such as "Mewtwo" to "Mew-two". Also try naming the
Pokémon in all lower-case characters. To find out more methods, note the color
of the opposing Pokémon and look at their nicknames.

Alternate Pokémon colors
When giving your Pokémon names, use lower-case letters (i.e. poliwhirl),
reversed syllables (i.e. DRILLBEE), and abridged names (i.e. Pika) to change
their colors.

Alternate title screen
Successfully complete the Gym Leader Castle and Stadium modes to change the
title screen.

GB Tower
To get into the GB Tower (the GB stands for Game Boy), you must complete the
Prime Cup and the Poké Cup. You can play your Pokémon game pak for Game Boy on
the Nintendo 64 in the GB Tower.

Get Pokémon for Game Boy game
Complete one of the Gym Leader Castles of the Elite Four or your rival to get
one of the following random Pokémon that can be transferred back to your Game
Boy Pokémon game:

Eevee
Hitmonlee
Hitmonchan
Squirtle
Charmander
Bulbasaur
Omanyte
Kabuto
Pokémon Stadium Cup requirements
Pika Cup: Pokémon can only be between level 15-20.

Petit Cup: Level ranges between 25-30. There is a height requirement though.
Height 6'8" limit and weight 44 pounds.

Poké Cup: Only can use 3 Pokémon, levels 50-55. The sum of the Pokémon's levels
cannot exceed 155.

Prime Cup: Everything is legal. You can have any level, height, weight, or
number of Pokémon. However, your opponents' levels are always 100.