- Feel Good costume
In The Great Rift, find the circular room with ledges floating in it. Look down to see how it continues downward and upward. Jump to the exact middle top to find the Feel Good costume.

- Achievements
Do the following things to obtain the corresponding Gamerscore points:

10 Points
Monster hunter	Kill 100 monsters.
Light adept	Learn all Light spells.
Servant of the Dark	Learn all Dark spells.
Annoying fly	Kill a monster in the air using blades.
Soul collector	Acquire 5,000 souls.
Easy Walk	Finish game at normal difficulty.
Oops, are you OK?	Kill your first monster.
Take that!	Execute your first combo.
20 Points
Light side	Execute Light form for the first time.
Nice silver thingie	Acquire 3 silver artifact parts.
Great soul collector	Acquire 50,000 souls.
Everyday business	Finish game at Hard difficulty.
Nice gold thingie	Acquire 3 gold artifact parts.
Nice ruby thingie	Acquire 3 ruby artifact parts.
I'm so special	Learn all Special Form upgrades.
Monster killer	Kill 1,000 monsters.
Airstrike master	Get maximum Airstrike upgrade level.
Being good is easy	Finish game with a 'good' ending at Normal difficulty.
Shooting master	Get maximum Shooting upgrade level.
Unbelievable metabolism	Improve health regeneration level to maximum.
Dark side	Execute Dark form for the first time.
Melee master	Get maximum Melee upgrade level.
30 Points
Tough fight	Finish game at Pro difficulty.
Good girl	Finish game with a 'good' ending at Hard difficulty.
Let's go shopping	Use every item at least once.
Epic soul collector	Acquire 5,000,000 souls.
Counter impossible	Get IMPOSSIBLE hit counter.
40 Points
Can't touch me	Finish level without losing your health.
Magic woman	Finish level using only magic.
50 Points
Flawless victory	Be victorious in a boss fight without losing your health.
Lock and load	Learn all shooting improvements.
Master of all skills	Get maximum Shooting, Melee and Airstrike upgrade level.
Famous monster eliminator	Kill 10,000 monsters.
Finish him	Overcome The Dark One at The Dark Temple.
It's hard to be a good girl	Finish game with a 'good' ending at Pro difficulty.
The best soul collector	Acquire 50,000 000 souls.
60 Points
Can you EVER touch me?	Finish 6 levels without losing your health.

- Pro mode
Successfully complete the game to unlock the Pro difficulty.

- Bonus costumes
Successfully complete the game on any difficulty to unlock the Armored and Regeneration costumes.