Pokemon Yellow

Cheats

Unlockables
Get the Diploma

Complete your Pokedex (Mew is optional) and visit the game designer in the Celadon Mansion. He will give you a diploma as a reward.


Glitches
Have Pikachu instantly like you!

When you first start your game, you will have 1 potion in your pc that's in your room. Get it out. Continue playing the game untill you get Pikachu but haven't battled Gary's Eevee yet. Use the potion on Pikachu 5 times (even though it won't have any effect). Fight Gary and WIN. After the battle, when your Pikachu comes out of the Pokeball. He will like you.


Mew Glitch

Step 1: You must not beat Misty (Leader # 2) or any of the trainers in her gym yet and you must not battle the person in the grassy area past the Nugget Bridge.

Step 2: You must have at least one free space for your Pokemon and also have around 20 Poke balls. You must also have a Pokemon that knows Teleport and maybe a weak Pokemon in the Levels 10 and one more thing, you must use the Poke Center before you go, these things are very important.

Step 3: Go past the Nugget Bridge and turn right and now save your game. Now here is the tricky part. Be in the position where the trainer isn't on your screen, but when you take one step foward, he will have the "!" over his head. If you quickly press start, it will take you to the Item Screen. Teleport out of there, and when you do, you will notice that you will teleport and the trainer will be walking towards you.

Step 4: You will end up in front of the Poke Center but the only thing is that you can't access your Item Screen. Now head for the Gym immediatly!

Step 5: Battle a Trainer in here. I dont know if you should fight Misty or not but you must win the fight. If you kept a good Pokemon like Pikachu, you should win.

Step 6: After the fight, you can access the Item Screen again. Head for the Nugget Bridge again.

Step 7: As soon as you enter the Nuget Bridge, your Item Screen will pop up automatically. Press the cancel button and you will enter a battle with... MEW!

Step 8: Mew is only at Level 7 I think but is extremely tough to capture. Make sure you don't kill him and make sure you dont run out of Poke balls. If you do one of them, you can just Load your game and retry again. Eventually you will capture him.


Secrets
Get through grassy areas without a single random encounter.

Once you've obtained the HM Cut you can use it to teach some of your pokemon the attack of the same name.
This ability now cannot only be used to cut down certain trees but also to get rid of any grass so you don't have to bother with any random encounters.
When saving and loading or leaving and reentering the area you used cut in, the grass will have returned.


Pikachu's Beach Mini-Game

Use the Pikachu from your Pokemon Yellow in every match in the Tournament mode of Pokemon Stadium. Pikachu should learn Surf. Now go south of Fuschia City and into the house at the beach. Talk to the man inside. Make sure Pikachu is in your party. You should be able to play a mini-game.