Dinkcool: To play the bonus mission, shoot all nine cards during the missions, go to the trophy room, click the cards (highlighted with a yellow frame), finish the mission, and remember to click "continue" from the trophy room when you've completed it.
"Orzo Jan. 05, 2009
for #53: 300 Seconds = Play for five minutes.. how are we supposed to complete the impossible?"
It's 60 seconds. You have to play for one minute.
TheoBroma said:
"Just used the White Priest during challenge - their ability to restore strength didn't work: I tried twice on two different occasions. I'm beginning to think you guys released this for Beta testing on an unsuspecting public."
Same happened to me every single time I tried.
 "Smoking Kills"){kind=icon}
 "Robot Dinosaurs That Shoot Beams When They Roar"){kind=icon}
 "Achievement Unlocked"){kind=icon}
 "Mytheria"){kind=icon}