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The National Dex

Pokemon Platinum Walkthrough and Guide

by Mogg 13-42  

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Pokemon Platinum Guide - Sidequests

The National Pokedex

Twinleaf Town & Sandgem Town
Items: National Dex, Pokeradar.

After beating Cynthia, you'll be taken back to Twinleaf Town. Now, if you
managed to meet all 210 Pokemon in the Sinnoh region, head to Sandgem Town
and proceed to Rowan's lab. Show him your completed Pokedex and he will
reward you with the POKE RADAR application for your Poketech. Professor Oak
will come in and upgrade your Sinnoh Dex to the National Dex.

Head on over to our Pokedex for assistance in trying to find any Pokemon you are missing.

The members on our forum are also usually able to help.

Need some help with this game? Or can you help others?
Click below to go to our questions page to see all the questions already asked and ask your own.
More Pokemon Platinum on

Comments for The National Dex

67 comments, latest first.
Page 1 of 5 1 2 3 4 5
Sep 7th 2015 Guest
I know how to fil my nation pokedekc and I have every
Unown and I have the question and exclamation mark
ID #606308
Jun 3rd 2015 adamrifendifer
Any body help me out with my national Dex in platinum
ID #565158
Aug 15th 2013 Guest
I wish events still were going on
ID #305022
Jul 27th 2013 Guest
where can you find a hippowdon garchamp or a dragonite
ID #300608
Jun 23rd 2016 Guest
ID #661430
Jul 25th 2013 Guest
Anyone willing to help me out on where to find manaphy
ID #300150
Aug 25th 2012 Guest
ive beat the elite 4 over 5000 times 428 is nothin
ID #180002
Jul 27th 2012 Guest
i want to enter the snow point temple. i have to get national pokedex. professor oak will give that. didn't he? how can i get the that? how can i completed my sinnoh pokedex? tell me. you can talk to me in mail. my email address is [email protected]
ID #169307
Jul 7th 2012 Guest
my name is : ash freind code is:395532630208
ID #161497
Jun 24th 2012 Guest
Really!! all 210 pokemon come on I just defeated the elite 4 And Cynthia IT WAS HARD!!! and now i have to find all 210 pokemon in the sinnoh region thats too much You should be able to get it after the elite 4 from professor ROWAN!!!
ID #156554
Jun 22nd 2012 Guest
How do you link up or get friend codes?
ID #155404
Jun 15th 2012 Guest
Where is Ekans?
ID #153128
Apr 18th 2012 Guest
where to get wordaman
ID #134883
Apr 13th 2012 Guest
anyone want to give me their friend codes to trade and i'll give you mine?
ID #132894
Mar 13th 2012 Guest
is anyone willing to swap a electravire plzzz
ID #122751
Mar 13th 2012 Guest
oh, and who will be willing to trade me a a elctravire i can get most pokemon apart from legendry's but i will trade my uxie for it
ID #122744