From the game Impossible Mission for the Atari 7800.

The cart was released with a bug where some of the pieces with which you need to solve the game are hidden under computer terminals, but the game will not allow to you search the terminals and collect them. This bug was eventually fixed, but Atari never released the updated version in the United States. So, the game really is an "Impossible Mission"!

Submitted by: fz2001us