Design Game Artwork

We are working on a game project for Android devices for which we require the complete artwork to be done. The game is set in space, and hence we require the following in 2D: 1. Planets 2. Meteors 3. Asteroid Belt 4. UFO 5. Alien ships 6. Satellites 7. Supernova 8. Black hole 9. Backgrounds 10. GUI based on the above This work needs to be done in 2D (Photoshop, Illustrator) in high resolution. Details will be shared with the chosen worker. Please share your previous work/portfolio with your bid. Please have a close look at the attached file and bid only if you can deliver similar results.