The PokéRadar makes a return in Pokémon Platinum. Given to you by Professor Rowan after you complete the Sinnoh Dex, you use the PokéRadar by standing in grass and pressing the button. Grass will begin to shake and if you go to that tile, you're guaranteed a battle. There are several signs of Pokémon. A simple rustle usually means its a common Pokémon. A quick shake of the grass means its rarer and if the grass shines, you will have a shiny Pokémon in that tile. It is possible to chain the Pokémon by defeating each one, this will set the PokéRadar off again and you'll need to go to the next tile. As your chain increases, your chances of getting a Shiny Pokémon increases as well.

There are a variety of Pokémon in the game that are only found with the PokéRadar in those particular areas. They are as follows;