A computer game that is impossible to "win". You just keep going and going until you are killed. The best you can hope for is a place on the High Scores screen. This was actually the standard before completable games were developed and migrated from PCs to home consoles. In arcade games, this is a fairly obvious design choice. Once someone "beats" the game, they'll stop putting quarters into it, won't they? If there are enemies to destroy, don't expect any boss fight, since there can only be a limited number of bosses, and these games never end. Examples of Endless Game include: