Kiss: Psycho Circus - The Nightmare Child

Invincibility
Hold L + R and press A, A, B, B, X at the main menu.

Secret images:
If you insert your game disc into a PC CD-ROM drive, you will find
the Kiss pinball game. To run, preform a double click on the icon
of the KISS member.

Secret musics:
If you insert your game disc into an audio CD player, you
can hear music from KISS.

Kings of Fighters Dream Match 99

Change outfits:
Highlight any of the following characters at the fighter selection
screen, after hold Start and press A, B, X, or Y:

Andy Bogard
Billy Kane
Joe Higashi
Kyo Kusanagi
Mai Shiranui
Omega Rugal
Orochi Chris
Orochi Shermie
Orochi Yashiro
Robert Garcia
Ryo Sakazaki
Terry Bogard
Yuri Sakazaki

Change costume colors
Highlight any characters at the fighter selection screen, and press
the following buttons:
Normal color: A
2nd color: A + X
3d color: A + Y
4th color: A + X + Y

Full pause screen -
Press X + Y, while paused the gameplay.

Alternate survival mode - Fight individual characters:
Finish the survival mode once. After, highlight the "Survival Mode"
selection, hold Start and push A

King Of Fighters: Evolution

Full pause screen
Press X + Y, while paused the gameplay.

Images and webpages in Omake directory:
If you insert your game disc into a PC CD-ROM drive, you will find
web pages and images for the game in the Omake folder.

King of Fighters 2002

Unlock Team Attack mode:
Win the Team Mode with any team, in any difficulty mode.

Unlock Team Attack mode:
Win the Team Mode with any team, in any difficulty mode.

Unlock Single Attack mode:
Win the Single Mode as any character, in any difficulty mode.

Unlock King
Finish all 40 missions in Time Attack Mode

Unlock Kusanagi
Finish mission 20 in Time Attack

Unlock Shingo
Win a Single Attack to unlock Shingo.

Unlock Shingo:
Finish the team attack challenge.

Kao The Kangaroo

Go tothe map screen during gameplay, the enter the following
button combinations:

Bonus checkpoint: Hold L + R and press Up, Right, Down, Left, A.
Bonus glove: Hold L + R and press Down, Right, Left, Down, A.
Bonus life: Hold L + R and press Down, A, Up, Left, A.
Infinite checkpoints: Hold L + R and press Up, Right, Down, Right, Left, A.
Infinite gloves: Hold L + R and press Down, Right, Up, Right, Left, B.
Infinite health: Hold L + R and press Down, B, B, A, Up, Left, Right.
Infinite lives: Hold L + R and press Down, Left, B, Left, B, B.
Select stage: Hold L + R and press Up, Down, Right, Left, Up, X.
Skip stage: Hold L + R and press Up, Up, Left, Down, X.