skribbl - Word guessing based on drawing.
Werewolf Receipt - Instantly print and play games using a receipt printer
LetsDraw.It - Guess and Draw, Drawing Battle, Pictionary, Copy picture - online drawing games where you can compare your skill with others.
7 Seconds - 600+ dumb and crazy challenges to face within 7 seconds
gartic.io - Draw, guess, and win!
Role - A storytelling party game