I just spent a half hour covering the entire screen with green, and then some, on the first level. almost half my collectors are purely cosmetic to fill in gaps in the spider web of connections. LIFE WELL SPENT
hahaha hack: Max out your number of team members ASAP, then get rid of their accuracy, then max out health as much as possible. play the first level. repeat until rich!!$$$$ (You get money for the amount of health you have left so this gets you money fast. You start getting 10'000/match pretty quick, and that isn't the highest it goes!! :P)
You're on a Mac and using Safari aren't you? Please hold the keys down while typing.