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Twelve is the Key

So, why twelve? Sometimes puzzles need one to think outside the box, wouldn't you agree? This time you have the chance to put that brain of yours into work and solve your way through huge, dark chambers, narrow corridors and sleeping turrets (or are they?!). Are you up for the task? You sure are!



20 minutes

Medium

Congratulations and thank you, fellow tester, for playing Twelve is the Key, my first map created in the Hammer editor. I hope you found the puzzles satisfying and that you enjoyed putting both of your hemispheres to use. Please tell me your thoughts, complaints, suggestions or your current mood, and I'll try to answer as soon as I can. Comments, aswell as criticism of the constructive kind, are well appreciated.

The original Twelve is the Key was released on 20th of June 2014. As of 22nd of March 2016 Twelve is the Key has gotten a major update. You will find a complete list of the updates under the Change Notes. In short terms the map will now hopefully be a even more pleasent experience.

Huge thanks to the contributing members of ThinkingWithPortals,
TopHattWaffle's[tophattwaffle.com] tutorials and personal help,
and the generous minds of Valve Developer Community.

Are you interested in starting creating your own maps and puzzles? Besides the PeTI program in Portal 2 there's a second, slighty more advanced tool called Hammer. Please check out my guide on how to begin creating awesome maps on your own: Start mapping with Hammer