Added exceptional design challenges:

 

To discover more on a particular Challenge, checkout the hyperlink.

Annuals ChallengeList ChallengeNews ChallengeSpaceship Challenge
Conference ChallengeFuture Visions ChallengeWeb ChallengeDAD Challenge
Competitions ChallengeStrategy ChallengeFamous ChallengeStudents' Challenge
Webdesign ChallengeBicycle ChallengeSports Car ChallengeCharacter Challenge
Fashion ChallengeDesigner Goods ChallengeDiligence in ChallengeFood and Beverage Challenge
Good ChallengeGrays ChallengeGreen Products ChallengeOrganic Products Challenge
Packaging ChallengeWhite Goods ChallengeYellow ChallengeReady-Made Challenge
Photo Manipulation ChallengeThe One and Only ChallengeExpostitions ChallengeArchitectural Design Challenge
Top Artists ChallengeFavorite ChallengeWorkshop and Warehouse ChallengeDictionary Challenge
Outranking Furniture ChallengeDigital Devices ChallengeTechnical Design ChallengeBusiness Deals Challenge
Additionally see: Catalog of Design Challenge | <- Index