The next year a new version of the game added 5 more countries.

Version 10 is about to come out and will add more sales.

A version with sound added was released March 13, 1930.

The 1996 version of the play added an introductory scene.

Version 3.38 adds additional Windows 7 support, for build 7100.

Future version may add definition for other types of devices.

The new version adds a fourth, very challenging, level to the original three.

Later versions added various new improvements, but the biggest change came with version 2.80.

Both new versions have Forever added to their name, and are network compatible.

Upon release, version 1.03 also added 2 more classes for 7 additional female units.