Play either as Mario or Luigi in Super Mario Flash and defeat all the enemies to reach the checkpoint in each level before the time runs out. Use the left arrow to move left, right arrow to move right, up arrow to jump, and down arrow to crouch. Collect gold coins to score points and hit the golden blocks to get bonus items. Jump over the enemies and do not let them to touch you else you will lose lives. Do not fall off the cliffs and try to reach the end flag as quickly as possible to score higher.