http://tvtropes.org/pmwiki/pmwiki.php/LetsPlay/TwitchPlaysPokemonAlphaSapphire

Twitch Plays Pokémon (TPP) is a social experiment in which commands representing buttons on an original 3DS (up, down, left, right, A, B, X, Y, start, select, control stick, and touch screen coordinates) are entered into a chat on Twitch, and then translated into a game of Pokémon Alpha Sapphire via an IRC bot. In short, over 10,000 people are fighting over a controller. Throughout its life, Twitch Plays Pokémon has spawned hilarious characters, memorable moments, and even a religion.

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Twitch Plays Pokemon Alpha Sapphire, the third run of "Season 2", takes the mob back to the land of water and trumpets, but with a twist. Using new technology, the stream will for the first time play a randomized version of a Gen 6 game. Unlike Twitch Plays Pokemon's previous randomized runs, the new randomizing software means an entirely new set of challenges, with evolutions now being randomized as well. Would a Torchic evolve into a Delphox? Could a Metang become a Registeel? Only time, RNG, and the chat's inability to leave the grass will tell.

The run officially got underway on July 12th, 2015, and ended on July 26th.

See also here for the archived progress of the game, here for the archived status of the run, or here for live updates, which have been archived here . There is also a recap page, found here.

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Twitch Plays Pokémon Alpha Sapphire contains examples of: