Unlockables
Albert-01R Gun - Beat the game on any dificulty.
Circular Saw - Beat the game in less than 4 hours.
Essence of Defense - Destroy all Mr.Everywhere statues.
Infinite Ammo - Beat the game on Madhouse dificulty.
Secrets of Defense - Beat the game on any dificulty.
Walking Shoes - Destroy all Mr.Everywhere statues.
X-Ray glasses - Beat the game in less than 4 hours.