The easy way of doing it is to have someone with Recall Friend who can turn (or be turned) invisible.
(Though trying to get 8 people to click on something at the same time is occasionally harder than you would think.)
Another useful trick. At the end, you don't have to beat Koago and all his minions... just the two Igneous guarding Sam Wincott. So get past them, beat the mission, and -then- have fun duking it out with the angry giant monster.
(Though trying to get 8 people to click on something at the same time is occasionally harder than you would think.)
Another useful trick. At the end, you don't have to beat Koago and all his minions... just the two Igneous guarding Sam Wincott. So get past them, beat the mission, and -then- have fun duking it out with the angry giant monster.