Gather Town - Spatial video-chat worlds for work and play
Portal - Financial Aid Award Letter, - Messages and Calendar, - Grades.
VRChat - Create and play in virtual worlds with others
Antichamber - "A game with half of the attention to detail and imagination Antichamber has would be a smash hit - this bare-bones first-person puzzler is one of the most thought-provoking, engaging, and challenging video games ever developed.
Topia - Create amazing wallpapers for your iPhone
The Stanley Parable - The Stanley Parable is an Action, First-person Perspective, Puzzle-Platform, Exploration and Single-player video game created and published by Galactic Cafe.