Improbable GameJam Rules

These GameJam Rules govern the gamejam hosted by Improbable Worlds Limited with the registered address 10 Bishops Square, London, E1 6EG (“Improbable”) (the “GameJam”).

By participating in the GameJam, you are agreeing to comply with these GameJam Rules. Participation in the GameJam constitutes acceptance of these GameJam Rules.


  • Participants must be at least 18 years old to enter. You must sign up individually.
  • By submitting a working prototype of your game (a “Game”), you agree that it conforms to these GameJam Rules. Improbable may disqualify you from the GameJam if it believes that your Game fails to conform to any part of the GameJam Rules.
  • Employees, contractors or sub-contractors of Improbable or its affiliates, subsidiaries, or advertising and promotion agencies as well as those employees’ families are ineligible.
  • By entering the GameJam, participants agree that they will not disclose Improbable’s confidential information to any third party. Participants will treat confidential information with the same degree of care and apply no lesser security measures than it affords to its own confidential information. The receiving party warrants that these measures provide adequate protection against unauthorised disclosure, copying or use. The receiving party will make no commercial use of the Confidential Information. Confidential information may be disclosed if and to the extent Improbable has given its consent in writing.
  • Your Game must be original and coded during the GameJam period only.
  • Your Game must be a finished (i.e. playable) and executable game.
  • You may use third party resources (e.g. Unity or Unreal engines) to create your Game provided that you have all rights and permissions necessary in order for you (and, if applicable, your team) to use those resources in your Game. By including any such resources in your Game you are promising to Improbable that you have the applicable rights and permissions.
  • Your Game must not contain anything illegal, defamatory, harassing, indecent, obscene or morally offensive.
  • Participants whose local laws prohibit them from entering the GameJam and/or receiving the Award are not eligible to enter.
  • Participants will be responsible for any import taxes relating to receipt of any prizes and Improbable accepts no responsibility for any costs associated with receiving the prize.
  • Improbable reserves the right to substitute any prize for one of equivalent value (acting in Improbable’s sole discretion).


  • Interested parties must register as set out by Improbable (including on any applicable homepage or forum) to apply for a GameJam place. Places are limited and will be allocated by Improbable in its sole discretion.
  • Participation in the GameJam is free.
  • Save where set out otherwise in the GameJam description at the close of the GameJam, you will be asked to deliver a working prototype of your Game. Your entry must be original and coded during the GameJam, be a finished and executable game and it must comply with these GameJam Rules.
  • Each team or participant may present just one Game at the Improbable GameJam.
  • The Jury’s decision is final and no correspondence or discussion shall be entered into regarding the selection of the winner(s) of each Award.
  • Where required to receive any Prize, winners shall provide a delivery address or arrange for collection of the prize from Improbable’s registered address.


  • Improbable reserves the right to disqualify any participant if Improbable believes in its sole discretion that the participant has: a) breached any of these GameJam Rules, any applicable law (including copyright law) or has otherwise infringed the intellectual property of any other person; b) behaved fraudulently; or c) otherwise behaved inappropriately or in an unsportsmanlike manner. In the event that such participant is a member of a team, Improbable may decide in its sole discretion to disqualify the entire team.
  • Improbable acknowledges that all original intellectual property which you create as part of the GameJam shall belong to you or your team. Any and all work product produced by you during the GameJam, including, but not limited to all sketches, designs, animation sequences, code, drafts and all other written materials, and all rights therein, shall be exclusively owned by you or your team (save to the extent they comprise pre-existing IP owned by Improbable or any third parties).
  • You promise that all the information which you provide to us in connection with this GameJam shall be and shall remain complete and accurate.
  • All participants must exhibit professionalism and regard for other participants at all times.
  • Where applicable, no alcohol, drugs, or illegal substances are permitted in the participant arena or rest areas. Smoking is prohibited in the GameJam Venue. Those wishing to smoke may take breaks outside.


  • By entering this competition, you give us permission to make your first and last name, any applicable social media handles, the name of your project/Game and your country of residence available if you participate.
  • You agree that we may use your name as well as any photos and video and game footage that we take of you and/or your Game for promotional and marketing purposes in any and all media.


  • By registering for this GameJam, you accept us collecting, processing, using and sharing your personal data as set out in these Rules and in our privacy policy.
  • We exclude all liability save for liability for death or personal injury resulting from our negligence or that of our employees or agents, and for losses or harm caused by fraud by us or our agents, or any other liability which may not by law be excluded.
  • In the unfortunate event that Improbable has to end the GameJam early due to circumstances beyond its reasonable control, Improbable may determine the winner(s) from among all eligible entries received up to the time of such action using the procedure outlined above.
  • The GameJam and these GameJam Rules shall be interpreted and construed in accordance with English law and shall be exclusively subject to the courts of England and Wales.
  • For any questions about the GameJam or these rules, please contact