If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Captain Jim Collins escaped the crashed and landed in zombies island. Aim and shoot all zombies to survive. Collect dollars and buy weapons in upgrade store. Swap your weapons using 1,2,3,4 and 5 keys.
Watch the health bar. All the best!
Use arrow keys or WASD to move, click to shoot and 1,2,3,4,5 keys to change weapons.