There is no cheat for catching all the Pokemon on Pokemon platinum. it's all down to hard work and persistence.
find them in grass
you need the modidfier cheat code for it.
Cheat, trade, migrate, catch
u have to use a action replay
Google Pokemon platinum ar cheat then type in what cheat you want.
you cant in platinum but you could trade from Diamond and Pearl or another Platinum.
yes,my friend has one.
how do you get the 999 masterball cheat for Pokemon platinum actionreplay
really long
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how can i get a level100 palkia in pokemon platinum
One way is to get all possible Pokemon in Pokemon platinum and migrate all the remaining Pokemon from another region. Another way is to use cheat like an action replay