The Gestapo before they were destroyed was made genetically modified drugs
Soldiers are transformed into zombies and attack the world
A combination of classic RTS and modern Tower Defense.
Recruit soldiers, line up and send them as food for zombies.
Upgrade characters, throw grenades and oil into the enemy to burn them, order airstrikes to wipe out enemy.
Collecting materials, making items, using stimulants.
The perfect combination of strategy, tactics and micromanagement.