Too hard. Has anyone made it to the end?!

I'm using 'Bluhell' firewall on firefox blocks all adds.
If you are interested in beating this game it's simple and not difficult just First two times upgrade your plasma turret +ctrl (2 times) and then just continue with +shift and you'll see a lot easier.

The game could be very good if it was for fun, but it's more like an add to make money I get it.
But still something new that I saw today.

Sub-par game layered in advertising.
The graphics are great but the gameplay is very simple, the upgrading isn't efficient, the difficulty is wavey as all hell, and why should I be interested in the coupon stuff? I am playing this game, not the other one you are advertising. If I was interested in the other games I would be playing them. It wouldn't be so bad if it wasn't the only reason to progress in the whole game. It's far to heavy handed.
The graphics are great but the rest of the game isn't.

remove this

no real goal just a playable ad I feel like I´m forced to buy something the whole time.. has nothing to search here on NG