Pokémon Platinum beta

, like other solitary versions of the core series games, contains less pre-release information because it is based on the previous paired versions of the generation. Likewise, few things changed in comparison to.

Sprites
A prototype front sprite of can be seen in an early Japanese trailer for the game, titled Pocket Monsters: Platinum&mdash;Game Introduction Movie (Japanese: ポケットモンスタープラチナ：ゲームムービー).

Battle Park
In, the Battle Park appears as a leftover map in the internal data. It has index number 0x0142, like in.

The 's exterior matches the one at the, including the lack of shadow, and the building's warps have been removed. The prize lists in the Exchange Service Corner are unchanged and are visually the same as the ones at the Battle Frontier's. The Battle Park's gate was replaced with the Battle Frontier's gate but the non-player characters remain unaltered given their positioning in the map; their events as well as the warps inside the gate have also been removed.

The event where the player first meets is still present. The Razor Fang also remains.

Distortion World
There are 9 unused maps of the Distortion World in the data of the game's ROM. They use the regular camera angle and not the special one used in the final Distortion World.

Sprites
An earlier sprite for 's appeared in several pre-release screenshots. An unused animation frame for the final sprite has also been found in the internal data. Unused sets of sprites for 's as well as prototype sprites for the items which change 's  are also present.

Music
In addition to 's exclusive tracks, all unused tracks found in the internal data of are also present.

Items
The unused items discovered in the internal data of are also available in, alongside its own set of exclusive items. However, two finalized and used items from Diamond and Pearl that have no use in Platinum still remain in the game's programming code.
 * Point Card, which stores Battle Points earned in the . Surprisingly, it will still function despite Battle Points now being tracked by the Vs. Recorder.
 * Storage Key, which allows entrance to the Team Galactic Warehouse. It is now used by Looker instead. Modifying the saved game to add the item back to the Bag will not allow it to function.

Debugging features
Leftover dialogue within the internal data provides further details on how the game developers might have debugged the game. For instance, such text refers to features such as a Sound test and an option to modify the (RTC).