4223.com - Dr Rocket
First rank : Astronaut Second rank : Novice Space Pilot Third Rank : Galaxy Pilot Final Rank : Legendary Rocketman. If your rank is “Astronaut”,you can only play launch game mode in Earth planet. You have to reach 18000km in launch game mode to promote to “Novice Space Pilot” rank. If you promote to “Novice Space Pilot” , platform game mode is will be unlocked. If you promote to “Galaxy Pilot” or “Legendary Rocketman”, All game modes will be unlocked!