Konami Collector's Series: Arcade Advanced Cheats

Type this code in individually in each game menu where you can choose the number of players:
Up, Up, Down, Down, Left, Right, Left, Right, B, A
You should hear a ring that means the code worked

Frogger- Enhanced Graphics

Time Pilot- Extra Level

Kung Fu- Extra Characters in Vs. Mode

Rush n' Attack- Extra Lives

Gyruss- Enhanced Graphics

Scramble- Enhanced Graphics

In addition to the items listed in the code as written, the Konami code also unlocks

Time Pilot - autofire, can fire constantly just by holding the shoot button

Yie Ar Kung Fu - Two extra fights at the end of the tournament

Rush 'n' Attack - Two extra levels at the end of the game

Gyruss - Extra lives, extra level at start, dual gun gotten from level at start remains with you throughout the game