To Earth and Back

Hi Everyone, this is my first 2D Shooter Project, To Earth and Back.  A failed invasion of Earth led to the discovery of civilization on Mars that ended with the humans conquering your home planet. The only word on Earth you've learnt? Revenge. Modifications: 1. Added Levels 2 and 3 that progressively get harder as the story goes along. 2. Changed the sound effects 3. Added moving Astroids to add …