Invasion 2

First of all, you need to build a few units by clicking on them in the Pre-battle screen.

                       

Then press Play to enter the frontline. From there, you can click on the units it the toolbar to deploy them into battle. Plan your strategies carefully, and dont forget about the upgrades.
Use your MOUSE

Your objective is to blow up your opponents. Dont waste your time by hanging around, you have only 3 minutes to kill them all. Note that each player has 2 lives and you have to kill everyone 2 times to win this game.