By the time of WWII, the Nazis built the weapons that were far more superior than others so a Union Army was sent to spy on them. Your mission is to destroy the enemy's newly manufactured tanks.
Protagonist was thrown into a prison because he's been accused of a robbery. The warden here is very mean and an intimidating guy. Help the protagonist rescue inmates then escape this prison of hell.
Fight an infection present in human body. The first battle takes place in the nose. All towers produce units slowly over time. To get more units, you need to claim more towers and make them your own. Take over all enemy bases to complete each level.