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.
As the Dark Corporation owner, invade big factories all over the world. Hack research facilities to unlock new soldiers, invade factories to increase your customer population or employ generals to increase your army capacity.
Grow your own tribe from first human-primates era to a first recognized ancient civilization. Develop your primitive encampment to a flourishing place. You need to grow population, manage workers, research technologies.
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.
