Forum:How do I defeat Brainiac Lungers?

Hi

You will all laugh yourselves silly at my problem but I really need some help.

I CAN'T finish the tutorial/Braniac Harvester ship quest.

My problem is I simply can't defeat the Braniac Lungers. I wrote to DC knowledge base and they said I needed to press and hold the shift key to weaken and eventually destroy them. I did this for over an hour and didn't even weaken them! I really can't believe it would take more than 60 minutes to finish one off.

Could someone post a video or link showing these machines getting defeated? I'm getting really frustrated as I've created heaps of heros and villians to try and finish this all with the same result.

Any help would be soooooooo appreciated.

Thanks DC fans