Work shouldn't be a place you don't enjoy going to. Make it fun on the Last Friday in January! This is the day to have a great time at work with your coworkers. Play jokes on your coworkers, dress up in costume, or engage your coworkers in fun games. Make sure your supervisors know what you're doing, but they should be able to join in on the fun too! Some celebrate Fun at Work Day on April Fool's Day, be we think it deserves its own day!