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

Use your mouse to move your boat left or right. And click left mouse button to drop your fishing line and haul in as many fish as you can before time expires. You gain more time by hauling in fish. You lose time for hauling in trash or being hit by lightning.