These games have no violence, no empty action, just a lot of challenges. Defeat monsters and level up your heroes. Play the classic game with your friends! Can you make it through the course?. Php, html and adobe flash. Cool math games (branded as coolmath games) [ a ] is an online web portal that hosts html and flash web browser games. Webmath lessons and fun games for kindergarten to sixth grade, plus quizzes, brain teasers and more.