There's also 3 "doors" within the internet level of your computer. They appear as internet icons; one of them being the history. There's some coins in there that I easily missed on my first play.
How I got hard:
I prioritized which colours to attack. From highest to lowest it goes: grey, yellow, red, blue. You attack the lowest priority that's possible. So if you can only attack blue or yellow then attack the blues first then the yellows. The whole point of this is to leave the higher priorities on the board so that larger collections will gather. Once you get transform, harvest and vamparic touch then use transform on the largest group. If they turn red use harvest but if they turn any other colour then use vamparic touch. Make sure you collect the gold eggs after this. You should save eye lasers and fire blast for this purpose. It's also worth checking when the eggs will hatch so that after using harvesting or vamparic touch the golden eggs won't immediately hatch.
Good luck!
Weapons are too expensive. I completed the game without getting to use all the weapons :(. They should be the funnest part of the game.
Still a fun game though!
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