You can absorb o block bullets and power up your ship on different stages. The main goal is to beat the six guardian bosses to open the portal to the final battle. Endocrisis features a map, so it is not required to complete a stage to fight a boss. If you lose against a boss, you can try again quickly.Defensive Mode Active when you stop shootingBlock Bullets with your armorRecover energyOffensive ModeWhile you are shooting,you lose energyYou can perform absorb yellow bullets to recover energy