Knoword - Guess the word based on its first letter and a definition
Monstrum - A procedurally-generated, permadeath horror game
Reverse Dictionary - Describe a concept and get back a list of words
Escape Site - An escape room in your browser
Jigidi - Free online jigsaw puzzles. Hundreds of new jigsaw puzzles every day created by users from all around the world.
Startup Escape - A real-life startup themed escape room in SF!