Step by step: <br />Heal your team at the Cerulean City Pokemon Center <br />Head up Nugget Bridge <br />Go left until you're right in front of the first patch of grass <br />Take one step south and immediately press start <br />Use Abra (or any other Pokemon that knows Teleport) to Teleport back to the Pokemon Center <br />Battle the first trainer in the Cerulean Gym <br />Defeat his Horsea <br />Use Growl on his Shellder at least 6 times (Each Growl reduces Mew's level) <br />Go back up Nugget Bridge until the menu opens itself <br />Close the menu and Mew will appear at LV1 <br />Use a sleeping attack to put Mew to sleep <br />Throw Pokeballs at Mew only if he's asleep (He will dodge almost every ball if he's awake. This will take a few tries.) <br />Make Mew your team leader <br />Find a wild Pokemon to fight <br />Switch Mew out for a Pokemon that can defeat the wild Pokemon <br />As long as Mew gains less than 54 experience points, he will jump straight to level 100
