The Escape 2

You start off with the pistol, and later you will earn new guns.

Shoot enemy in the head or body (you score more points for head shots). Use YOUR MOUSE to aim and LMB to fire. Reload with "R" KEY. When you get new gun use 1 and 2 KEYS to switch between weapons. And of course shoot the health packs for health.
See Instructions.

After every level you'll have the option to upgrade your tank and buy more weapons or ammo. As the levels go up the enemies will increase in number and will be more powerful. So be careful and avoid getting hit by the enemies or you'll lose health. Use the special weapons cautiously as they are limited in supply.