Groups

 

Post-release states

Other (objects, etc.) concept

DefunctGames that are no longer playable, such as MMOs which have no official servers running anymore or ARGs with the outside of the game components long gone.1989 / 201766 games
IncompleteAny games that have ceased active development for significant amount of time prior to reaching "complete" state for the games. Mainly open-source games. Requires source code or prototype/pre-release copy is available in some form.2004 / 201310 games
Obscure ReleaseThese were deficiently announced/advertised compared to other ports or other games of the same publisher; Hidden in their package; obscure on publisher's homepage, etc1988 / 201961 games