In [[Pokémon Colosseum]], when the player has obtained a certain number of Poké Coupons, the [[Poké Ball]] symbol in the [[P★DA]] will change colors, identical to a rank system. This is similar to the [[Trainer stars]] mechanic from the main series games. | In [[Pokémon Colosseum]], when the player has obtained a certain number of Poké Coupons, the [[Poké Ball]] symbol in the [[P★DA]] will change colors, identical to a rank system. This is similar to the [[Trainer stars]] mechanic from the main series games. |