The goal in Fishy Game is to reach the highest score possible after passing all the levels. there are 5 levels .
To gain score you have to click on two or more of the same weird looking fish.
Clicking on line in the red bar will allow you to gain x2 points.
You can use the space bar to get a new line if you don't feel like waiting.
There are also some bonuses:
Bonus Nukes; will clear the screen .
Bonus Freeze; will freeze the screen for couple of seconds.