Joust (Atari 7800)
This game has hidden developer credits.
Hidden Developer Credits
On the title screen, press Select, move the joystick Down 53 times and Left 41 times. Wait until the hidden credits scrolls from right to left.
An additional credit for the game's developer can be found at 0x5FF0 and 0x7FF0:
The Joust series
|Game Boy (Color)||Arcade Classic No. 4: Defender & Joust • Arcade Hits: Joust & Defender|