This game has hidden development-related text.
Released in 2006 as part of Nintendo's forgotten bit Generations series, Dotstream has you racing a one-pixel line against several other lines on a series of different tracks.
Think Mario Kart but done entirely in 2D.
Present in offset 0x2943C of the game's ROM is a build date:
Dec 22 2005 15:18:24
|The bit Generations series|
|Game Boy Advance||Boundish • Coloris • Dialhex • Digidrive • Dotstream • Orbital • Soundvoyager|