Batman: The Video Game (Game Boy)

Batman: The Video Game
Also known as: Batman Developer: Sunsoft Publisher: Sunsoft Platform: Game Boy Released in JP: April 13, 1990 Released in US: June 1990 Released in EU: 1990 This game has a hidden developer message. This game has a hidden sound test. This game has a hidden level select.

Batman is a Game Boy adaptation of the 1989 movie. In this port, Batman forgets that he hates guns, and goes on a criminal killing spree. Looooove that Joker!

Sound Test

Just hold Up + Right and press Start at the title screen for the game's hidden sound test.

Level Select

Beat the game first. Then at the title screen, start a new game, but hold Select while "PRESS START" is blinking until the title screen disappears.

Developer Messages

There are a few developer messages in mixed ASCII with Shift-JIS encodings hidden in the ROM:

At 0x001260:

Original	Translated
ｺﾚｶﾗﾓ SUNSOFT ｦ ﾖﾛｼｸﾈ!!	Please continue to give your regards to Sunsoft!!

At 0x001487:

Original	Translated
ｷｮｳﾓｹﾞﾝｷﾀﾞ!! ｺﾝﾋﾞｶﾞｶｶﾙ??	I'm feeling fine today!! Are you taking in combos??

At 0x00160E:

Original	Translated
ｺﾚｺﾚ!! ﾋﾄﾉPRGRAMｦﾉｿﾞｸﾃﾞﾜﾅｲ !!	Come over here!! Don't peek the program!!

At 0x002987:

Original	Translated
ｹﾞｰﾑﾎﾞｰｲ ﾉ ﾃﾄﾘｽ ﾊ ﾔｯﾊﾟﾘ ｵﾓｼﾛｲ!! ﾂｲ ｺﾅｲﾀﾞﾓ､ﾃﾂﾔﾃﾞ ﾀｲｾﾝﾃﾄﾘｽ ｦ ﾔｯﾃｼﾏｯﾀ････｡	Tetris on the Game Boy is still interesting!! Also, the other day, I ended up playing Tetris through the night...

(Text Discovery: Cah4e3)

(Translation: Divingkataetheweirdo)