You cannot download the game.
No, not in the immediate game anyway. But you might be able to make him appear by using a code. search pokemon park wii pikachus adventure on google and you will have many different sites pop up.
By playing Skill Games/Attractions until you become friends, if you have a lot of berries, that's means you are strong & you can only go up to 9999 berries.
to unlock all the gates in pokepark wii try talking to Pokemon that might need you and visit other zones.If you cant visit one zone try talking to the other Pokemon in the zone that you cant get out of and see if they have a problem.Then try to solve the problem.Then you will get to go to a new zone
you can't only in the attraction
I don't know ALL the Pokemon who are supposed to be in the game, but I do know some of them: Pikachu Buneary Charizard Blastois Mr. Mime Drifloon Bulbasaur Electrabuz Ponyta Empolien Piplup Charmander Chikorita If somebody knows about an others please write. I hope i helped! ;)
PokePark wii - Pikachu's Great Adventure learn more at www.serebii.net
The Meadow, Cavern & Lava Zones
u lurn it from primape in tha meeting plase.
i got some passwords groudon49446209 darkrai65967413 and celebi58068773
Viridian Forest
P-117 in PokePark Wii is Ponyta
you have to go to to mews palace and beat mew at the games 100 times and all legendary Pokemon will go to the meadow zone.