Extra Continues:
Intentionally fail during gameplay and you will eventually unlock more continues per game. If you continue to fail, you will get unlimited continues.
Note: This can be done in both Arcade and Rescue modes.
Max Life Increase and Free Play in Arcade Mode:
Successfully complete the story mode in Arcade. The Life Point quantity can now be increased to a maximum value of 9, and Credits are free.
Alicia Winston Title Screen:
Successfully complete the Rescue Mission.
Crisis Missions:
Successfully complete the Rescue Mission.
Rescue Mission:
Successfully complete the game to unlock the bonus rescue mission.
Rescue Mission:
Successfully complete the game to unlock the bonus Rescue mission.
Trial Stages:
Complete a stage in Arcade mode to unlock that stage in Trial mode.
Infinite Handgun Ammo:
Complete arcade mode to unlock infinite handgun ammunition.