Protector 2

As a sequel to Protector, the gameplay is similar. You are controlling an orbital space defense platform from third person view. In 20 missions you have to protect yourself, not the planet as in the prequel, against 16 different enemy space ships with 6 different upgradeable weapons and a shield. There are basically two types of enemies: Smaller ships you can hit anywhere and big ships, which can only be destroyed by shooting at their engines in a specific order.