Call of Duty Modern Warfare: Mobilized ( NDS )

Unlock Survival Mode :

go to War Room > Options then press Select, L, R, Select, Y, Y, X, R, L, X, R, Y

Tekken : Dark Resurection ( PSP )

Play as Panda
Just Select Kuma and press Press O

Unlock Movies
2006 E3 trailer - Beat command attack five times at 1min 30 sec
Tekken 5 Opening Movie Console Pt.1 - Beat Time Attack
Opening Movie Console Pt. 2 - Earn more than 5000G in one round in Gold Rush Mode
Tekken Dark Resurrection Opening Movie (AC Version) - Beat Survival Mode

Harvest Moon : Sunshine Island ( NDS )

Unlock animal :

The following animals become available when you complete the corresponding task.

Unlock Horse:
Get Mirabelle to 5,000 Friendship points.

Unlock Dog:
Get 5,000 Animal Degree points.

Unlock Cat:
Spend at least 30,000G at Massel's shop.

Unlock Pig:
Ship 100 mushrooms after raising the Mushroom island.

Unlock Special Chicken:
Ship an 'S' rank egg.

Unlock Special Cow:
Ship 'S' rank milk.

Unlock Special Sheep:
Ship 'S' rank wool.

Naruto Shippuden : Ninja Destiny 2 ( NDS )

Complete these tasks to unlock another char :

Unlock Hoshigaki Kisame:
Complete Sidequest 1.

Uchiha Itachi:
Complete Sidequest 1.

Unlock Deidara:
Complete Sidequest 2.

Unlock True Form Sasori:
Complete Sidequest 2.

Unlock Four Tail Kyuubi Naruto:
Complete ALL 30 floors in Exploration mode with ALL 10 characters under the Normal difficulty.

Unlock Kabuto:
Win 15 battles in Survival mode.

Unlock Legendary Sannin:
Win 15 battles in Survival mode.

Unlock Non-Shippuden Characters:
Win 15 battles in Survival mode under the Difficult setting.

Unlock One Tail Kyuubi Naruto:
Complete Story mode under the Difficult setting.

Unlock Sasuke (S):
Complete Story mode.

Unlock Tsunade:
Complete Story mode.

Unlock Jiraiya:
Complete Story mode.