Unlockables:
Unlock the following bonuses by performing the corresponding tasks:

BONUS – HOW TO UNLOCK
Boss Battle mode – Complete all 25 chapters in Solo mode to unlock Boss Battle mode. Note: It appears next to Chapter 25.
Boss Battle Mode with difficulty levels – Complete Boss Battle mode at least once.
Treasure Hunt Rewards page 2 – Complete Chapter 11 in Solo mode.
Treasure Hunt Rewards page 3 – Complete all 25 chapters in Solo mode.
All music – Complete Solo mode chapters and play Together mode battles to unlock all music.
Dialogue hidden option – Complete Solo mode. This option allows you to play the game with or without the dialogue.
Menu hidden option – Complete Chapter 21. This option allows you to select Palutena or Viridi to watch over your menu.

Palutena’s Treasure Hunt Unlockables:
Unlock the following items between chapters in the “Treasure Hunt” section of the menu by performing the corresponding tasks:

ITEM – HOW TO UNLOCK
100 Hearts – Open a Treasure Box.
100 Hearts – Acquire an idol.
100 Hearts – Use a Power.
100 Hearts. – Die once.
300 Hearts – Use Fuse Weapons to create a weapon.
300 Hearts – Successfully perform a melee attack while riding a grind rail.
300 Hearts – Play Free-For-All.
300 Hearts – Acquire a club.
5,000 Hearts – Use Fuse Weapons to create 20 weapons.
500 Hearts – Clear 5 chapters.
500 Hearts – Use 10 items.
500 Hearts – Achieve a high score of 100,000.
Feather – Have 5,000 Hearts in your posession.
Idol – Boom Spear – Acquire a total score of 500,000.
Idol – Brawler Claws – Acquire 20 weapons.
Idol – Grenade – Acquire a staff.
Idol – Light Fighter – Play Light Vs. Dark.
Idol – Monolith – Defeat your first Souflee.
Idol – Pit – Achieve victory in Light Vs. Dark.
Idol – Shock Orbitars – Acquire a bow.
Idol – Somewhat Staff – Play Together mode.
Idol – That First Town – Acquire a palm.
Idol – Volcano Arm – Perform a total of 50 dodges.
Idol – Wrecking Ball – Acquire a cannon.
Item – Capture Circle – Defeat an opponent in Together mode.
Item – Eggplant Bomb – Get turned into an eggplant.
Music – Boss Fight 1 – Defeat your first boss.
Music – Magnus’s Theme – On Intensity 5 or higher, defeat Gaol without letting Magnus get taken down.
Music – Underworld Gatekeeper – In Chapter 9, destroy the Underworld Gatekeeper’s guns and clear the chapter.
Power – Celestial Firework Lv. 1 – Perform an Idol toss.
Power – Confuse Attack Lv. 1 – In Chapter 5, defeat Pandora without letting Dark Pit get taken down.
Power – Counter Lv. 1 – Use the Centurion Assist item.
Power – Effect Recovery Lv. 1 – Play Far Away in Together Mode.
Power – Eggplant Attack – Get turned into an eggplant 5 times.
Power – Homing Boost Lv. 1 – Acquire an arm.
Power – Land Mine Lv. 1 – In Chapter 1, destroy 100 enemies and clear the chapter.
Power – Mega Laser Lv. 1 – Acquire 5 different blades.
Power – Paralyze Attack Lv. 1 – Acquire 15 different weapons.
Power – Poison Attack Lv. 1 – Defeat 500 enemies.
Power – Quick Charge Lv. 1 – Acquire Obitars.
Power – Sky Jump Lv. 1 – Perform 100 melee attacks.
Stage – Forgotten City – Recover onto your feet from a knockback 10 times.
Stage – Rail Temple – Become an angel in Light Vs. Dark.
Stage – Spiral Tower – Acquire 10 powers.
Weapon – Angel Bow – Collect over 10,000 hearts.
Weapon – Darkness Bow – Fire a total of 1,000 shots.
Weapon – Leo Cannon – Find the Leo Zodiac Chamber and take its treasure.

Viridi’s Treasure Hunt Unlockables:
Unlock the following items between chapters in the “Treasure Hunt” section of the menu by performing the corresponding tasks:

ITEM – HOW TO UNLOCK
Idol – Three Sacred Treasures – Perform 300 melee attacks.
Power – Freeze Attack Lv. 2 – Acquire 5 different bows.
Power – Transparency Lv. 2 – Acquire 5 different arms.
Weapon – Babel Club – Defeat 25 bosses.
Weapon – Crusader Blade – Recover onto your feet from a knockback 50 times.
Weapon – Electroshock Arm – Open 50 treasure boxes.
Weapon – Viridi Palm – Acquire 5 different palms.

Air-battle dodging and reflecting hint:
In Solo mode during an air battle, flick the Analog-stick to one side then immediately flick it again in the opposite direction to move quickly. Do this as soon as an enemy’s shot is fired at you to reflect it back at them.

Acquiring good weapons hint:
Complete chapters in a high intensity level, then fuse you weapons with other weapons to get better ones. You can also redeem hearts by purchasing weapons and by playing “together” mode online. You can also fuse those.