At the Title Screen press , , , . Then hold and press ,,,. When the game begins, press ++ button at the same time to give you all the weapons. You will hear a noise if it is done correctly (it only works in One-player Mode).
At the Title Screen hold and press ,,. Release and press ,,,,,,,to finish the code.
Refill Health and Ammo
You can only use this code if you have All Weapons on: Press ++ button while playing, and you will refill your health and ammo.
Written by Zestorm