Accessing New Vita Content Ear...
	Cameo Characters...
	Classes...
	Easier Homeroom Success...
	Endings...
	Hero Prinny and Mid-Boss...
	How to get them all Diez Gentl...
	Item, Class World, Survival At...
	Outfit Shop (Raspberyl)...
	Passing Homeroom topics easily...
	Various Trophies...

Load up the game and highlight continue. Input Triangle, Square, Circle, Triangle, Square, Circle, X. If you do this right, then you will hear Maos voice. After this, start the game normally. You'll now find the Parallel Worlder at the bottom levels of the base under the stairs. After clearing the tutorial, talk to him and the new content will become available to you.

Character	How to unlock
Asagi	Beat extra map 4.
Axel	Beat extra map 6.
Laharl, Etna, and Flonne	Beat extra map 7.
Marona	Beat extra map 5.
Master Big Star	Beat extra map 1.
Prism Red	Beat extra map 3.
Salvatore	Beat extra map 2.

Class	How to unlock
Archer (Female)	lvl 15 Female Fighter and lvl 15 Female Healer.
Archer (Male)	lvl 15 Male Fighter and lvl 15 Male Healer.
Berserker	Heavy Knight and Monster Tamer Lv 40.
Cheerleader (Idol)	Geo Master and Healer Lv 25.
Geo Master	Fist Fighter and Healer level 20.
Gunner Female	Female Thief and Mage level 15.
Gunner Male	Thief and Male Mage level 15.
Heavy Knight	Male Fighter and Fist Fighter(?) level 15.
Magic Knight	Fighter and Mage level 25.
Majin	Clear 2nd play through turtorial.
Masked Hero	Thief and gunner level 45.
Monster Tamer	Female Fighter and Fist Fighter(?) level 15.
Ninja (Female)	lvl 30 Female Monk and lvl 30 Female Magician.
Ninja (Male)	lvl 30 Male Monk and lvl 30 Male Magician.
Samurai (Female)	lvl 35 Female Fighter and lvl 35 Female Archer.
Samurai (Male)	lvl 35 Male Fighter and lvl 35 Male Archer.
Shaman	Geo Master and Mage Lv 25.
Star Mage (female)	Possess Level 50+ female mage.
Star Mage (male)	Possess Level 50+ male mage.

This will make it easier to pass topics in the Homeroom. If you press the X button just as the representatives say "Aye" the gauge on the right hand side of the screen will jump up much further (it plays a different 'dwoop' noise to cofirn if you got it). If you press X in time with the voting chances are the topic will pass.

Ending	How to Unlock
Almaz's Ending	Win stage 8-4 with Almaz alone and the battle after.
Human World Ending	Kill more then 99 allies and clear two alt. stages by stage 7-6.
Laharl's Ending	Go to homeroom and propose "Watch a New Ending" and clear the stage.
Mao's Ambition Ending	Clear stage 1-9 on 2nd or higher cycle before stage 4-4.
Normal Ending	Don't meet any other ending's requirement.
Raspberyl's Ending 1	Lose against Raspberyl on stage 1-5.
Raspberyl's Ending 2	Lose against Raspberyl on stage 2-1.
Super Hero Ending	Use Mao at Lv 500 or higher to defeat final boss.

Clear "First love!? Legend of the Super Delinquint" , then reach the postgame.

Each of the Diez Gentlemen can be acquired by starting a New Game+ while Mao is at at a certain level or above.

Unlockable	How to Unlock
Beyond X	Level 64
Bo Tie	Level 300
Breezy Satina	Level 700
Gorillian	Level 64
Goro	Level 400
Pauline	Level 600
Prinny Mask	Level 64
Se-to-oh	Level 500
Shyrone	Level 64

Unlock the Postgame, then talk to the Angel NPC by the Dimension Guide.

Complete Raspberyl mode.

Press X just as the representatives say "Aye" to have the gauge on the right side increase more. A different sound will confirm correct code entry. Note: Press X in time with the voting chances and the topic will pass.

Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
10 Piece Combo Meal (Bronze)	Destroy your enemies with evil teamwork!
A Single Step (Bronze)	Welcome to Disgaea 3: Absence of Detention! We welcome new and returning players alike! Enjoy!
All-Pro Receiver (Bronze)	Let's cross this continent!
Arcarnageologist (Gold)	Reaching the 100th floor...in Carnage!
As the World Turns (Bronze)	If it spins, it's only natural to want to spin it.
BGM Lover (Bronze)	How 'bout buying some music for a change?
Call Me Nacho Cinco! (Bronze)	We're going to outer space, baby!
Ch.1 Netherworld Honor Student Complete (Bronze)	I am indeed the No.1 Honor Student!
Ch.2 Mao's Heart Complete (Bronze)	I was supposed to pour salt and pepper on it, instead of hot sauce!
Ch.3 The Freshmen Leader! Complete (Bronze)	Boss! Boss! Boss!
Ch.4 Almaz the Hero Complete (Bronze)	Babuu.
Ch.5 Grand War Complete (Bronze)	Hot Hot Sensitive Tongue Slash! Kiiiiiaaaaahhhhh!
Ch.6 The Reckoning Complete (Bronze)	Hmhmhm.
Ch.7 An Eye for an Eye Complete (Bronze)	Gimme an autograph later!
Combo No. 255 (Bronze)	I won't stop hitting until you stop getting up.
Commando King (Bronze)	Now you're the Class World King!
Cross Fists as Friends (Bronze)	It's a story about a friendship born through fisticuffs.
Demon King: Have It Your Way (Bronze)	Force your will on them, like the demon your are!
Eryngi Baal Slayer (Bronze)	I'm not going to get my "a" back?
Finale Complete (Bronze)	I will...become the Overlord!
Finger Flicking Good (Bronze)	Mooove! My fingers are on fire!!!
First Setback (Bronze)	That was just a warm. Now I'm ready to go!
Giga Damage! (Bronze)	More training! You can do more!
Gotcha! (Bronze)	Yay! You got a new ally!
Hardcore Gamer! (Bronze)	Thanks for playing! But we suggest you take a break.
Hop, Step, Jump (Bronze)	Isn't jumping sooo much fun?
I Got Gummed... (Bronze)	Why me...?
I Had an Axeldent! (Bronze)	Axel never stops working! Even in the Item World!
It's Da Bomb! (Bronze)	Playing with bombs in Homeroom? You're quite an honor student.
Item Spelunker (Bronze)	Congratulations on reaching the 100th floor! You're on the right track to become a hardcore player!
IWCA Flyweight Champion (Bronze)	You are the Item World Champ!
Kneel Before Cat God! (Bronze)	*blush* Oh, you can stand, meow.
Magichangician (Bronze)	Transform! Yeah!
Majin Academy Complete (Bronze)	I shall take over this Academy!
Master of the Chain (Bronze)	Do massive chains! Use your brain to the max!
Mega Damage! (Bronze)	You gotta train! For starters, a million damage!
Omni Bonus! (Bronze)	It's only natural for a demon to take everything.
PE Teacher Destroyer (Silver)	It's always been a dream to defeat a PE teacher...
Platinum Trophy (Platinum)	Congratulations on getting all the trophies!
Playing Favorites (Bronze)	Aren't you happy to be surrounded by your favorite characters?
Puzzle Master (Bronze)	Erase everything! Train that brain!
Raspberyl Version Complete (Bronze)	You all graduate, today!
Reverse Pirates! Everything is Mine! (Gold)	Reverse Pirates, yeah! Nothing is left in our wake...
Reverse Pirates! I Shall Take Your Innocents! (Silver)	Reverse Pirates, yeah! We're taking all the Innocents with us!
Reverse Pirates! Your Treasure is Mine! (Bronze)	Reverse Pirates, yeah! All that treasure's just for me!
Shopping Spree (Bronze)	As a proud demon, I'll buy everything at the store!
Shut Up Already! (Bronze)	I'll never stop talking!
Super Honor Student (Bronze)	The HQ at this school is truly amazing.
Survival Class: Passed (Bronze)	You truly are the Survival Master!
Tera Damage! (Silver)	Even more training! Good job!
The Shamshank Redemon (Bronze)	I'm just testing your loyalty.
The Towertastic Ten (Bronze)	This is the epitome of a tower!
Treasure Hunter (Bronze)	Don't your legs feel stronger from all that jumping?
Trophy Shopper (Bronze)	I've been waiting for you in this Mystery Room!