Trivia for Google Chat - Team-building w/ fun quizzes, games right inside Google Chat
Kaligi - Co-op puzzle game that tests loyalty and communication skill
Icebreaker from Range - Start your meeting with 200+ free team-building questions
meet.atSlack - Team building on Slack
Kosy Office - Kosy is a virtual space for remote teams to work and hang out.
Flinkit! - Web-hosted team building games for small and large companies