There is a problem with this one. For example, an enemy with the gem is trying to escape and another enemy comes for the stone. If the towers don't target the second one, trying to kill the enemy with the gem, he will reach the cave and grab another gem. It can be even more frustrating...
There is a problem with this one. For example, an enemy with the gem is trying to escape and another enemy comes for the stone. If the towers don't target the second one, trying to kill the enemy with the gem, he will reach the cave and grab another gem. It can be even more frustrating...