Unlock all the Characters in the game
     Generally  in  order for characters to be unlocked you have to do
certain events or beat certain characters' Yggdrassil Story Mode.

Asch:               Leon/Kyle- Extra event appears after fighting 
                    Shing/Kohak. Fight him in an event to the north. 
                    Stahn- Fight him in main story then again in the north

Chester and Arche:  View and beat them in extra events in Luke/Tear 
                    and Jade/Anise's stories.

Cless and Kratos:   Clear Lloyd and Collete's Story

Dhaos:              Beat every other story besides his and Mint/Barbatos

Eugene:             Clear all 20 Special Battles

Jade and Anise:     Clear Luke and Tear's Story

Luke (Short Hair):  Clear Luke and Tear Story. He replaces Long-Hair Luke 
                    in the character selection screen, but you can select 
                    Long-Hair Luke by pressing/holding Start

Mao and Caius:      Clear Yuri and Farah's Story

Mint and Barbatos:  Beat Dhaos Story

Nanaly and Harold:  Fight her in an extra event in both Yuri/Farah 
                    and Mao/Caius stories. The event is located 
                    in the northeast section of the map.

Philia and Kongman: View and beat them in extra events in Luke/Tear 
                    and Jade/Anise stories

Presea:             Fight her in an extra event in both Yuri/Farah 
                    and Mao/Caius stories. The event is on the middle 
                    Island

Richter:            View the extra events involving him 
                    in both Loyd/Collete and Cless/Kratos' Stories

Rita and Judith:    View and defeat them in extra events 
                    in both Loyd/Collete and Cless/Kratos stories

Ruca and Iria:      Beat them in a Leon/Kyle story Extra event. 
                    Then in Stahn's story beat them (with Presea) 
                    in the main story, then view an event to the northwest

Senel:              Fight him in an extra event in Jade/Anise story 
                    and complete their story. Then go 
                    to the Mao/Caius Story and view his Extra event

Shing and Kohak:    View and defeat them in extra events 
                    in both Loyd/Collete and Cless/Kratos stories

Stahn:              Clear Leon and Kyle's Story



Unlocking Wallbreaker Characters
     There are some characters in Wallbreaker that must be unlocked in
the mini-game itself.

Celsious:           Clear Wallbreakers in 5 minutes or less

Frio:               Clear Wallbreakers

Kyaro:              At the results screen quickly alternate L&R, 
                    must move the penguin across the screen 
                    before results are final.

Valkyrie:           At menu, move analog stick up and down, 
                    then alternate L&R until Sandra moves across 
                    the screen. 2 Speach bubbles appear when completed. 
                    l missions on Easy or better difficulty level

Gotta Make It 
To Heaven (Bronze): Complete Mission 9 on any difficulty

Gunz Come Out 
(Bronze):           Complete Mission 7 on any difficulty

Hardcore (Silver):  Obtain 15 or more Gold Badges

Hit and Run 
(Bronze):           Run over a foot soldier in a driving section

I'll Still Kill 
(Bronze):           Complete Mission 8 on any difficulty

I'm Supposed 
To Die Tonight 
(Bronze):           Complete Mission 1 on any difficulty

Massacre (Bronze):  Kill 5 enemies fast enough to score a 5 kill combo

Millionaire (Gold): Have 1,000,000 dollars in the bank

Not Bulletproof 
(Bronze):           Die on Easy difficulty

O.G. (Gold):        Obtain all Gold Badges

Our Amusement Park 
(Bronze):           Complete Mission 6 on any difficulty 
                    as a member of G-Unit

Our Candy Shop 
(Bronze):           Complete Mission 3 on any difficulty 
                    as a member of G-Unit

Our Disco Inferno 
(Bronze):           Complete Mission 5 on any difficulty 
                    as a member of G-Unit

Our Gunz Come Out 
(Bronze):           Complete Mission 7 on any difficulty 
                    as a member of G-Unit

Packin' Heat 
(Bronze):           Unlock all pistols

Point Blank 
(Bronze):           Unlock all close combat weapons

Ramping Up 
(Bronze):           Complete any of the ramp scenarios 
                    in a driving section

Regular (Silver):   Obtain all Silver Badges

Rifled (Bronze):    Unlock all assault weapons

Savior (Bronze):    Revive a coop player

Scenario Master 
(Silver):           Successfully complete 50 scenarios

Sharpshooter 
(Bronze):           Kill an enemy by shooting a rocket 
                    or grenade out of the air using Gangsta Fire

Straight To 
The Bank (Bronze):  Complete Mission 4 on any difficulty

Target Practice 
(Bronze):           Shoot all 5 targets on any level. This can also 
                    be achieved by assisting another player in Coop

Tooled Up (Silver): Unlock all weapons

Up Close (Bronze):  Perform a counter kill

Wanna-be (Bronze):  Obtain 15 or more Silver Badges

We Gotta Make It 
To Heaven (Bronze): Complete Mission 9 on any difficulty 
                    as a member of G-Unit

We'll Still Kill 
(Bronze):           Complete Mission 8 on any difficulty 
                    as a member of G-Unit

We're Going 
Straight To 
The Bank (Bronze):  Complete Mission 4 on any difficulty 
                    as a member of G-Unit

We're Supposed 
To Die Tonight 
(Bronze):           Complete Mission 1 on any difficulty 
                    as a member of G-Unit



Unlockables
     Can be accessed through the unlockables menu.

Infinite Ammo:      Earn 52 medals/badges in Story mode.

Infinite Grenades:  Earn 56 medals/badges in story mode