Trivia for Slack - Fun team-building with 1000s of quizzes right inside Slack
Songlio - Free musical guessing game: race friends to name that tune
Thursday - Thursday is where remote teams do their socials.
Rock On! - A song pop adventure - music trivia awesomeness
Flinkit! - Web-hosted team building games for small and large companies
SongPop - The world's biggest music trivia game. Now even better.