IVE is a one-button side-scroller with missions, bosses and upgrades. Click at the right time to jump across the gaps between buildings and destroy the enemy robots that stand in your way. You will lose energy each time an enemy attacks you or when you fall down a gap. If you lose all of your energy, the stage ends. Try to reach the end of each stage as quickly as possible and with as much energy as possible. You'll receive points based on your performance, which you can use to upgrade your abilities between missions.