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Welcome to the 12 Hour Challenge!
The 12 Hour Challenge is a biannual, online speedrunning event that anyone can join. The concept is simple: pick a new game to speedrun, then spend 12 hours learning as much as you can about that run, such that you can complete your first run in the 12 hours. The challenge started as a way to get new people into speedrunning, while having veterans explore something out of their usual pool of games.

Current Challenge Info:
12 Hour Challenge #15
“All the world’s a stage”
August 5-7, 2022

LinkDescription
Challenge InfoContains all of the information about the current challenge
Sign-up SheetClick to register for the 12 Hour Challenge!
EntrantsView entries and a tentative schedule of stream days
DiscordJoin the official 12 Hour Challenge Discord server! Highly recommended!
TwitterSpread the news on Twitter #12HourChallenge
RedditUpvote the official 12 Hour Challenge post on Reddit

There are many interpretations of what exactly the challenge entails, but ultimately it is up to each participant to make it their own. Some like to learn the same game as friends and collaborate all weekend. Others fly solo. Some games have plenty of documentation and tutorials to guide you. Others are waiting to be routed. Will you grind practice right up until the end of the 12 hours and try to produce a strong first run, or will you just be grateful to complete a run at all? It’s all up to you!

The 12 Hour Challenge has been around since July 2015. Though there’s no official pattern to when they are announced, there’s typically one in the winter and one in the summer.

Past Challenges:

EventOriginal DatesEvent DetailsEntrants
#14February 4-6, 2022“Speed Dating”Entrants
#13October 15-17, 2021“Halloween Spooktacular”Entrants
#12 February 26-28, 2021 “Better with Friends”Entrants
#11September 11-13, 2020“Released in my birth month”Entrants
#10February 28-March 1, 2020“Randomizer”Entrants
#9August 2-4, 2019“As Seen On TV”Entrants
#8February 15-17, 2019“Let ’em roll!”Entrants
#7July 27-29, 2018“Now for something completely different…”Entrants
#6February 2-4, 2018“Set in Motion”Entrants
#5August 4-6, 2017“Tag Team”Entrants
#4February 10-12, 2017“Remake, Remaster, Reset”Entrants
#3August 5-7, 2016“I can speedrun it anywhere!”Entrants
#2February 5-7, 2016“A console I don’t usually play”Entrants
#1July 3-5, 2015“12 Hour Speedrunning Challenge”Entrants