Upgrade is also called Tractor. This game is played by 4 online players, by screen coordinates, up, down V.S left and right, The players who has the higher level will win the game.
China Game Center Upgrade is a free software application from the Other subcategory, part of the Games & Entertainment category.
The app is currently available in English and it was last updated on 2011-08-31. The program can be installed on Android 1.5 and up.
China Game Center Upgrade (version 2.0) has a file size of 3.46 MB and is available for download from our website.
Just click the green Download button above to start. Until now the program was downloaded 206 times.
We already checked that the download link to be safe, however for your own protection we recommend that you scan the downloaded software with your antivirus.