You have to walk a certain amount of steps. I think it is aroung 10,000.
Hint: If you put your DS on the charger, then tape down the buttons that you use for walking, you can leave it over night and you will get more steps.
The egg that Cynthia gives you will hatch into a Togepi.
You are a bad egg.
have pikachu massage the egg
all Pokemon have a different amount of steps for the egg to hatch. if you them to hatch run back and forth. it will say "what?" and then ur Pokemon will hatch. it will be lvl 1.
The mysterious egg is an item in Pokemon Pearl version. It will hatch into either a Happiny or a Riolu.
To hatch and egg in D/P walk around with it. The amount of steps needed depend on the Pokemon type.
it will hatch into Happiney
no
No, its like any other egg, a certain amount of steps taken are needed for it to hatch
Have the egg in your party and walk around lots. To make the egg hatch quicker, have it next to a Pokemon with the flame body or magma armour ability.
riolu
an egg wouldn't hatch as alakazam. it would hatch as an Abra. then i think you know where to go from there, if you can.