QuizBreaker (http://QuizBreaker.com) helps remote teams keep morale high through fun quizzes with lots of gamification. Players answer ice breaker questions and then once a week a quiz gets sent around the team where they have to guess 'Who said what'. It's a quick and easy way for remote teams to have fun when they don't have the chance to see each other face to face.
They are a remote and bootstrapped company with hundreds of active teams and thousands of active users playing QuizBreaker every week. Some of their notable customers include; Google, Microsoft, Coca Cola, Ford, and General Electric. With 85% of its customers in the US.
This is also a great tool to use with students during this period of remote learning.