GS Cup

GS Cup (Japanese: ジーエスカップ GS Cup) is a set of rules that can be chosen only in Flat Battle mode at the Pokémon Communication Club Colosseum in. The match will be conducted with Double Battles, with two Pokémon sent out at any one time.

Trivia

 * As the GS Cup rules is only exclusive to, GS (like the GS Ball) may stand for "Gold and Silver".
 * The 2010 Pokémon Video Game Championship only uses versions as they are the only versions that have the GS Cup rule set and were released in 2010, the same year as the VGC.