The Challenge

You have the entire month of November to create a web-based game loosely based on the theme ██████████ (to be announced on October 31st - please check back then).

Your game. Your rules. You can participate as an individual or as a team. You're encouraged to use open source libraries, frameworks, graphics, and sounds.

The Prizes

We're giving away shiny new iPad Airs (16GB models) to our 5 lucky winners. Runners up with receive $100 in credit to the GitHub Shop, where you can grab some of our :octocat: shirts, hoodies, stickers, and more!

All of the winners and runners up will be showcased on our blog.

Judging

• Adam 'Atomic' Saltsman - Game maker and dad, creator of Canabalt and Flixel
• Aleissia Laidacker - Team Lead Gameplay/AI on Assassin's Creed 3 at Ubisoft
• David Czarnecki, Lead Engineer at Agora Games
• Matt Hackett, Co-founder of Lost Decade Games
• Kyross Starr, Gaymer and Tech Writer at GitHub
• Lee Reilly, Gamer Dad and Software Developer at GitHub
• Romana Ramzan, Denki's Player Champion, IGDA & Global Game Jam Director

The Rules

• To qualify for entry you must fork the github/game-off-2013 repository to your individual or organization account. [EXPLAIN THE DIFFERENCE]
• All entries must be web-based, i.e. playable in a browser. HTML5, WebGL, Unity, Torque 3D, Node JS, Flash are all possible - just be sure the source is made available on your fork.
• You must be over the age of 13

Instructions

• If you don't already have a GitHub account, sign up now - it's free!
• Fork the github/game-off-2013 repository to your individual account (or to a free organization account)
• Be sure to follow @github on Twitter for updates
• Make sure your code is pushed to the master branch of your forked repository before Dec 1st!
• Make sure you have a README file that includes a brief description, what open source projects (if any) you used, and a screenshot.
• Your repo should have a brief description and a URL where the game is playable entered into the fields shown below (this will make our judging process easier):

Comments / Questions / Help

• New to Git, GitHub, and/or version control? Check out our help documentation to get started!
• Questions about Git/GitHub? Please email support@github.com and be sure to include 'GitHub Game Off' in the subject.
• Questions specific to the GitHub Game Off? Please create an issue. That will be the official FAQ.
• The official Twitter hashtag is #ggo13.