Arcade Adios Amigos level rewards:
Successfully complete the Arcade Adios Amigos level with a "Gold"
rank to unlock Hector Babasco and Lean Molly as playable characters
in arcade mode.
Challenge Brick level rewards:
Successfully complete the Challenge Brick level with a "Gold"
rank to unlock the Brick weapon in multi-player mode.
Challenge Pane In The Neck level rewards:
Successfully complete the Challenge Pane In The Neck level with
a "Silver" rank to unlock the Rotating Heads cheat.
Faster reloads:
Some guns have slower reload times than others. Instead of pressing
Reload, press Next Weapon quickly followed by Previous Weapon
(or vice versa). When you switch to a new weapon and go back to it,
the weapon will automatically be reloaded.
