In November 2021, it was announced that the game would be delayed until 2022. Existing players will be able to transfer their account and game data to Pokémon Trading Card Game Live upon release. On 20 September 2021 it was announced that Pokémon Trading Card Game Online would soon be replaced by Pokémon Trading Card Game Live upon release, and would no longer be available to download. It was originally released in March 2011 under the name of Pokémon Trainer Challenge as a browser-based game.
The game was available for Microsoft Windows, macOS, iOS and Android. Pokémon TCG Online was a 2011 video game based on the Pokémon Trading Card Game developed by Dire Wolf Digital, a studio that was based in Denver, Colorado.
