After you catch ALL the other unknown, go to the ruin manic cave. go all the way down it, and in the room at the end of the tunnel, you can catch the exclamation and question mark unknown!
You can't only in Pokemon Platinum unfourtunatly.
You cannot unlock the off-limit room of Trophy Garden in Pokemon Pearl, so as Diamond and Platinum, even though you defeated Elite 4. It is just a decoration.
The easiest way to get Dialga on soul silver is to trade it for diamond/pearl/platinum. But I have Heard of an event in which you can choose one of the three (Dialga/Palkia?giratina) using an event Arceus from diamond/pearl/platinum, but have not tested it. From what I have heard, if you trade a legitimet mystery gift/event arceus, it is supposed to unlock an event on heart gold/soul silver and you can choose one of the three mention earlier. But the easiest way is to just trade a dialga from diamond/pearl/platinum
Get the national pokedex
You must have the event regigigas to open the gate
NO! You can only unlock pal park on platinum, diamond and pearl
The Battle Factory is unavailable in Diamond or Pearl, but it is in Platinum, Heartgold, and Soulsilver.
You can't only in Pokemon Platinum unfourtunatly.
There is no Sinnoh to unlock in either game. If you want to access Sinnoh, you must buy Pokemon Diamond, Pearl, or Platinum Versions.
No. Sky forme is actually only for Shaymin. And can only be obtained in platinum. You can still acquire shaymin in Pearl and Diamond, but you will be unable to unlock its Sky Forme without Platinum.
You cannot unlock the off-limit room of Trophy Garden in Pokemon Pearl, so as Diamond and Platinum, even though you defeated Elite 4. It is just a decoration.
Unlock all the other trophies, then you will get the platinum.
You cannot capture Rotom is HG or SS. The only way to get one and unlock the special room in Silph Co. is to trade from Diamond, Pearl, or Platinum.
get to level 60
The easiest way to get Dialga on soul silver is to trade it for diamond/pearl/platinum. But I have Heard of an event in which you can choose one of the three (Dialga/Palkia?giratina) using an event Arceus from diamond/pearl/platinum, but have not tested it. From what I have heard, if you trade a legitimet mystery gift/event arceus, it is supposed to unlock an event on heart gold/soul silver and you can choose one of the three mention earlier. But the easiest way is to just trade a dialga from diamond/pearl/platinum
There will be one from March 8th to the 21st to at toys r us to get a lv. 100 Regigigas that can unlock the three other regis in the upcoming game platinum
To get the platinum trophy you must unlock all the other trophies.