Pokémon Trading Card Game Online/History

The Pokémon Trading Card Game Online was originally released on March 24, 2011 as a browser-based game. The game was subsequently redesigned as a downloadable game utilizing the, and relauched on May 15, 2012 for PC, on November 5, 2012 for Mac, and on September 30, 2014 for iPad. The original browser-based version continued to function until August 8, 2012. Development continues on the downloadable version even after it officially emerged from open beta testing in February 2015. Additionally, some early features have also been retired or removed from the game.

The reprogramming and relaunch of the Pokémon Trading Card Game Online initially required the removal all game features except for the Trainer Challenge and the now retired Achievements reward system. Other features were gradually readded or added over time:


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 * Avatar Creator — While rudimentary Avatar options (4 male and 4 female) were reintroduced on June 12, 2012, true functionality was not reintroduced until the June 20, 2013 update.
 * Collection viewer, Deck Manager, Social menu, and Player Profile — Reintroduced on August 21, 2012.
 * Versus Mode — Also reintroduced on August 21, 2012 and Deck formats introduced on December 12, 2012.
 * In-game Shop — Also reintroducted on August 21, 2012 (initially allowing for just Code Redemption and TCG Booster pack purchases through the now retired Booster Credit system) with the current Gems system added on April 19, 2013 and the Trainer Token system on July 25, 2013.
 * Trade interface — Reintroduced with the October 24, 2012 update.
 * Daily Login Bonus and Daily Match Bonus reward systems — Introduced on January 16, 2013 as two parallel reward systems. Both were temporarily retired on March 25, 2015 in favor of the new Daily Challenge reward system, but the Daily Match Bonus was subsequently reintroduced on April 23, 2015 and the Daily Login Bonus on June 2, 2015.
 * TCG Booster pack, Exclusive TCGO 5-card — Introduced with the July 25, 2013 update.
 * Player rank — "Advantage" notification feature added on October 2, 2013.
 * "Play as a Guest" option — Introduced in October 2013.
 * Player Interface overhaul — Substantial changes to the game interface began in mid-2013  and continued to early 2014,   which allowed for the introduction of the touchscreen based iPad client in September 2014. A streamlining of the overall Game menu navigation system was introduced on July 14, 2015.
 * Tournament Mode — Introduced for testing with the March 27, 2014 update   with occasional trial Tournament special events until it officially premiered on February 5, 2015 and continuously running tournaments on February 24, 2015.
 * Bonus Wheel and Mystery Box — Added with the June 24, 2014 update, while the February 4, 2015 update split the Bonus Wheel into a Victor's and a Loser's Bonus Wheel.
 * Tutorials Mode — Two match based Tutorials added on August 14, 2014. Five additional Tutorials with XY Basic Yellow Starter Theme Deck and Tutorial Reward Ladder added on July 14, 2015.
 * Pokémon Trainer Club — Added ability for players to register for a Pokémon Trainer Club account from within the game on September 3, 2014.
 * Daily Challenge — Implemented on March 25, 2015 replacing the briefly retired Daily Login Bonus and Daily Match Bonus and retired Achievements reward systems. The June 2, 2015 update reduced the requirements for challenges by ½ and  challenges by 10, replaced challenges with a "Play Basic Pokémon" completion requirement to a "Do damage to opposing Pokémon" requirement, and temporarily removed all challenges with TCG Special Conditions (Special Condition) completion requirements.
 * Special Challenges and Tournament Chests — Implemented with the May 6, 2015 update.
 * Versus Ladder — Introduced on July 14, 2015 to complement the other existing Reward systems.
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