Invincibility...
	Various Steam Achievements...

At the title screen, before entering the game, enter the Konami Code to regenerate any damage that you take. For this, (B) and (A) correspond to your (SECONDARY) and (PRIMARY) weapons, respectively. Press Up, Up, Down, Down, B, A, Select, Start for Regeneration Invincibility.

Achievement	How to unlock
An Elegant Weapon	Unlock the Force Edge Weapon.
Beam Saber	Unlock the Sword.
Bullet Dancer	Defeat Hime without taking damage on Hard.
Determined	Game Over in Arcade mode 101 times.
I Meant To Do That	While hyper-dashing, run into un-dashable bullets 100 times.
Mine, all Mine!	Destroy all mines on Stage 2.
Nice to Shifu	Beat Shifu's first form without taking damage.
Over Heated	Defeat three stages over 150% on the heat gauge in Story Mode.
Project One	Complete Arcade Mode on Easy.
RX-78	Beat the game using the Beam Rifle and Sword on Normal difficulty.
Shock Proof	Beat Stage 4 without getting hit by lightning.
Shut Your Trap!	Kill 200 enemies with the Trap weapon.
Stealth Attack	Beat Stage 6 without getting hit by the motion sensor mines or the giant laser.
Weapons Fully Loaded	Unlock all weapons.