d = speed up
BigHero.io is a new multiplayer game, where you will enjoy plenty of fun. Become the greatest and the most powerful hero. Choose your character and go for a fight. Your task is to survive as long as possible and kill as many enemies as possible. Collect stones that raise your level. Fight for the highest score. lead the score table and let everyone see who is the best. The game has very simple controlling, use mouse for attack, if you need to escape use the letter D. Have fun.