Limbo - “Dark, disturbing, yet eerily beautiful, Limbo is a world that deserves to be explored.” Joystiq. “Limbo is as close to perfect at what it does as a game can get.” Destructoid. Buy LIMBO: Special Edition.
Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
Machinarium - Machinarium is independent puzzle / adventure game by Amanita Design
Clever - syncing between education applications for K-12 schools
Kenshō - A puzzle adventure through nature, time and space
Claroline - Claroline is a collaborative eLearning and eWorking platform.