2710 Achievements = Start the game and keep it running
                                                  Playtime about 140 minutes

- You must see the achievements and they dont allowed to show as +2710
   ( Start the game and close it after that restart Steam )
- Start the game in "Full Screen Mode" or "Window Mode" and keep it running
- You can also minimize the game and keep it running in the background

- Delete the entry "ach_h193409903" in the "Registry"
   ( Start / regedit / HKEY_CURRENT_USER / Software / DIGITAL MISTAKE / SPACE DEFENDER )
- Restart the game and let it run until the achievements start triggering again
- The achievements are only beginning to trigger again, when you reach the point where they
   stopped triggering

Start / regedit / HKEY_CURRENT_USER / Software / DIGITAL MISTAKE / SPACE DEFENDER

Steam / steamapps / common / GALAXY 3D SPACE DEFENDER / game_Data / Save

AEG ! - Achievements & Errungenschaften Group !

http://psteamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=1312688844