It seems to me that the only purpose of more people is insurance against being knocked into instakills. If you have more people than the other team, you should get more turns.
Wasn't even difficult starting half way through the second arena, and it took forever to finish. Not in the enjoyable way, but in the "grinding to get a badge" way.
ok, a zombie just spawned literally right next to a civ, ran around him, and then tried to come back, which gave him just enough time to shoot him. this makes sense how?
game locked on last challenge and the AI ran out of cards. It did let me play a card though, which was odd, but wouldn't let me play any more, even though I had enough power to do so. Was playing with a Black and White deck.
 "Min Hero: Tower of Sages"){kind=icon}
 "Tower Heroes"){kind=icon}
 "Steppin' Stones"){kind=icon}
 "Papa's Burgeria"){kind=icon}
 "Feed the King"){kind=icon}
 "Gravitee Wars"){kind=icon}
 "Apokalyx"){kind=icon}
 "Moby Dick - The Video Game"){kind=icon}
 "Bubble Tanks Arenas"){kind=icon}
 "Trafalgar Origins"){kind=icon}
 "Wake Up the Box"){kind=icon}
 "Zombie Outbreak Simulator"){kind=icon}
 "Ge.ne.sis"){kind=icon}
 "Mytheria"){kind=icon}
 "The Heist"){kind=icon}
 "Ether War"){kind=icon}
 "Whiteboard Tower Defense"){kind=icon}
 "The Necronomicon"){kind=icon}
 "Dog Eat Dog"){kind=icon}