Channel-Specific Games Browser
With Uploads, streamers can keep their VOD archive forever. It is finally possible to see a record of every game an individual streamer has played in their career by reviewing their Uploads page. It would be cool to add a "Games Browser" for each channel that mirrors the existing site-wide Games Browser. You would get a searchable view of all of the games represented in a channel's Uploads sorted by total # Views for each game. Streamers could use this to link to archives for specific games they've played on Twitch the way we can currently link to specific games browser pages. For example:
twitch.tv/streamer_name/directory/games/Dead%20Space%20
Would link to all videos marked as "Dead Space" uploaded by streamer_name.
This would be a great way to quickly see what sort of games a new streamer you discover tends to play, and uses existing public-facing information.

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Dan commented
Personally I think it's a great idea, and speaking as both a regular Twitch viewer and potential streamer, I'd love to see this added! This could really clean up the UI for Twitch channels!