Other crucial design challenges:

 

To find out more regarding a particular Challenge, checkout the url.

Web ChallengeBook ChallengeChair ChallengeCharacter Challenge
Content ChallengeCulinary Goods ChallengeProduct ChallengeConcept Challenge
Designer Goods ChallengeStrategy ChallengeDigital Products ChallengeElectronic Arts Challenge
Engineering ChallengeFood ChallengeFood and Beverage ChallengeFuturistic Challenge
Gray Goods ChallengeHospitality ChallengeHotel ChallengeInteraction Challenge
Interfaces ChallengeHonorable ChallengeInformation Technologies ChallengeMachinery Challenge
Package ChallengePrizes ChallengeRecreation ChallengeRed Consumeables Challenge
Red Crafts ChallengeOptics ChallengeRendering ChallengeScientific Challenge
Social ChallengeStrategic ChallengeStudents ChallengeTalent Challenge
Web Master ChallengeTransportation ChallengeVehicle ChallengeYoung Challenge
Moreover check: Almanac of Design Competition | Mainpage