Try now our best action games to play online on smartphones and tablets. Do you believe you have the right stuff? If you don't, you may have trouble demonstrating your abilities in action games. They will always push your limits further away and require you to know how to from one exercise to another with ease. You will have to learn to dodge, but also to throw with force or even destroy those who will be on your way. Play as a mercenary and work for the mafia, or infiltrate the headquarters or the enemy without being seen. When you play action games, your heart races and your reflexes take over your brain.