According to chat room the map, "1.Escape," is impossible tp defeat as of current version. If I remember correctly I beat the map after goblin cannon update, but before orc shielders received a buff for better relevance. Now players must take out 141hp total with roughly 10 goblin archers and 7 spearmen and protect a particular "goblin leader" from death.
Anyways someone claimed I didn't beat it at all so (if this works):
