Customization option: Successfully complete the game.
Unlimited ammo: Earn 10 medals to unlock the "Unlimited ammo"
option in the "Customization" menu.
Unlimited life: Earn 13 medals to unlock the "Unlimited life"
option in the "Customization" menu.
Alternate demo: When you remain idle at the title screen, a demo will
eventually begin. Go to the options-menu and change the controls.
The demo will react differently, and sometimes Bishop dies during
the sequence.
Information in this section was contributed by Sam Coppens.
