Totally not Tank Trouble!
Download files, then move folder to preferred location. Make sure that the jar file is in the same directory as the assets folder.
Example directory layout:
TankzDilemma
|-assets
|-tankz_dillema.jar
Simply double click on tankz_dilemma.jar to run game!
Recommended: Right click on tankz_dilemma.jar and create a shortcut. Then cut and paste created shortcut on the Desktop so that you can easily access the game from the computer's home screen. Rename the shortcut to more clearly show what game the shortcut leads to!