For the inhabitants of the earth are secure with their lives touch you purchase weapons and other improvements, defends the goal from hordes of enemies who want to enter at all costs. against more advance in the game but the runlevels is complicate and you prove harder to win. Move with WASD, shoot with the right mouse button. R Reload ammunition. Pause P W + S Super power. Pump with the space bar.
You like Defence of the Portal? Share it with your friends !!