Legal Notice

Urban Challenger is supported by:

Urban Challenger is a product developed and maintained by

/gebrüderheitz GmbH & Co. KG
Erbprinzenstraße 18
79098 Freiburg

Phone: +49 761 610 262-0

Limited partnership, Register court Freiburg (Germany), HRA 703145, General partner: /gebrüderheitz Verwaltungs-GmbH, Register court Freiburg, HRB 709003

Directors: Daniel Heitz, Claudius Heitz

USt-Id-Nr. DE269052372

Copyright 2014 /gebrüderheitz GmbH & Co. KG

Image Credits


Beach Umbrella Shade by ✦ Shmidt Sergey ✦ from the Noun Project

Flyer for Scavenger Hunt:

  • Firewurst: jHELDEN /
  • Flower exchange: MMchen /
  • Street Yogis: Lienhard Schulz / CC BY-SA 3.0
  • Spot the Street Artist: @othmanoua / instagram
  • Urban Wildlife Safari: Till Krech / CC BY 2.0
  • Stolpersteine: Axel.Mauruszat / CC BY 3.0 DE

All other title images of challenge cards used on this page are linked to the mission briefing where the credit is given on the image itself.


1. Online-contents

The author reserves the right not to be responsible for the topicality, correctness, completeness or quality of the information provided. Liability claims regarding damage caused by the use of any information provided, including any kind of information which is incomplete or incorrect, will therefore be rejected. All offers are not-binding and without obligation. Parts of the pages or the complete publication including all offers and information might be extended, changed or partly or completely deleted by the author without separate announcement.

The Author is not responsible for any contents linked or referred to from his pages – unless he has full knowlegde of illegal contents and would be able to prevent the visitors of his site from viewing those pages. If any damage occurs by the use of information presented there, only the author of the respective pages might be liable, not the one who has linked to these pages.

The author intended not to use any copyrighted material for the publication or, if not possible, to indicate the copyright of the respective object. The copyright for any material created by the author is reserved. Any duplication or use of such diagrams, sounds or texts in other electronic or printed publications is not permitted without the author’s agreement.

4. Data security

If the possibility for the input of personal or business data (email addresses, name, addresses) exists, the input of these data takes place voluntarily. The use and payment of all offered services are permitted – if and so far technically possible and reasonable – without specification of such data or under specification of anonymizated data or an alias.

5. Google Analytics

This website uses Google Analytics, a web analytics service provided by Google, Inc. (“Google”). Google Analytics uses “cookies”, which are text files placed on your computer, to help the website analyze how users use the site. The information generated by the cookie about your use of the website (including your IP address) will be transmitted to and stored by Google on servers in the United States . Google will use this information for the purpose of evaluating your use of the website, compiling reports on website activity for website operators and providing other services relating to website activity and internet usage. Google may also transfer this information to third parties where required to do so by law, or where such third parties process the information on Google’s behalf. Google will not associate your IP address with any other data held by Google. You may refuse the use of cookies by selecting the appropriate settings on your browser, however please note that if you do this you may not be able to use the full functionality of this website. By using this website, you consent to the processing of data about you by Google in the manner and for the purposes set out above.

This disclaimer is to be regarded as part of the internet publication which you were referred from. If sections or individual formulations of this text are not legal or correct, the content or validity of the other parts remain uninfluenced by this fact.

April 2016

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