Groups

 

Source Code lost, misplaced, or destroyed.

Other (objects, etc.) theme

Usually accidental, sometimes thoughtlessly, to often maliciously. In some cases it may be recoverable or reconstructed through reverse engineering.

17
games
10
platforms

The first video game about Source Code lost, misplaced, or destroyed. was released in 1969.

Origin, AT&T and Night Dive Studios has published most of these games

Obviously an Open Source project greatly reduces the chances of this happening.