You have a limited amount of time to complete each level. Remaining in vehicle form allows you to move faster through the level. Driving forward will lure more Decepticons to follow you. Once there are too many to handle, transform back into a robot and destroy them. Tap the icon that resembles three hexagons inside a bigger hexagon at the top right of the screen to open the main menu. Access your inbox daily to collect rewards. Obstacles will slow you down and may take your Autobot out of vehicle form. Avoid them if possible. Some Autobots are so powerful enough to crash through obstacles without slowing down or changing out of vehicle form. For score mission objectives, make sure you defeat all the enemies and pick up all the Energon Packs. Keep ranged enemies in front of you. If you pass them, they do not always return to the battlefield. Synergon is used to acquire new high-end items from the store. It may also be used to continue after a mission failure. A small amount of your Energon reserves is depleted when starting a mission. Energon will recharge automatically over time. Complete missions to earn Energon Shards. The Energon Shards you earn may be used to upgrade the strength of your gear. You can fully refill your Energon with Energon Recharge items. When an enemy is defeated, it will drop an Energon Pack. Pick these up to complete objectives and earn bigger mission rewards.