This is the city of gangsters or let's just say it was the city of gangsters until you came here to clean up the mess and set the people free. Use guns and other weapons to shoot the bad guys down.
Every human own billons of nanoscopic cells.
Some of these cells are doomed to protect our organism and fight foreign organisms. Use your cell colones to slowly progress and take over the map.
Destroy the enemy's boss tank to advance to the next level. The more enemies you destroy, the more money and points you earn for upgrades and improvement of your rank.
Control a heavy armored battle tank, shoot enemy tanks and soldiers to get through enemy territory and complete your main mission: destroy the enemy base and boss tank.