Full list of all 50 Akai Katana achievements worth 1,000 gamerscore.
Start up Akai Katana!
Sink the Fujibara attack ship.
Defeat the 1st stage boss, Hiiragi.
Defeat the Goura heavy tank in Stage 2.
Defeat the 2nd stage boss, Shumeigiku.
Defeat the Gaimon tank in Stage 3.
Defeat the 3rd stage boss, Shakunage.
Defeat the Arakashi submarine in Stage 4.
Defeat the 4th stage boss, War Fiend Hiiragi.
Defeat the helicopter mid-boss in Stage 5.
Defeat the 5th stage boss, Nazuna.
Bring down the Himeshikara heavy attack helicopter.
Defeat Ayame & Ran.
Defeat Emperor Bashou.
Clear the game with the Type 1 ship.
Clear the game with the Type 2 ship.
Clear the game with the Type 3 ship.
Clear the game using Type 1 without continuing.
Clear the game using Type 2 without continuing.
Clear the game using Type 3 without continuing.
Earn 400,000,000 points (Slash Mode).
Earn 600,000,000 points (Slash Mode).
Earn 800,000,000 points (Slash Mode).
Earn 100,000,000 points (Origin Mode).
Earn 200,000,000 points (Origin Mode).
Earn 300,000,000 points (Origin Mode).
Summon your Phantom.
Fill up your energy gauge.
Cause a boss to change forms, or destroy it while playing as the Phantom.
Earn 128 hits (Origin Mode).
Earn 256 hits (Origin Mode).
Earn 3000 hits (Slash Mode).
Rotate 72 pieces of (large) guiding energy around your ship.
Rotate over 200 score items (large) around your ship while playing as the Phantom.
Lose more than 20 score items that were rotating around your ship during a game.
Absorbed items into your ship.
Get hit by a bullet in Phantom form, and then died from another bullet immediately afterward.
Reflect more than 1000 bullets while in Phantom form.
While in Phantom form, fill up the screen with more than 800 bullets.
Equip a total of 16 katanas and 16 steel orbs on your Phantom.
Destroy any mid-boss within 2 seconds.
Hit a boss with 16 steel orbs.
Hit a boss with 16 katanas.