Pre-release states

Other (objects, etc.) concept

This is a container group; its children are:

Cancelled	Any games that were cancelled, abandoned or forgotten, usually due to financial or legal issues. (too short)	1984 / 2016	469 games
In development	Not yet properly published/released, but is still in active development, or was when the game entry was last updated.	2009 / 2022	451 games
Not Published	Known or claimed to have been finished with sufficient information to indicate so, but for some reason was not published in any manner. May have been influential or reworked into another game, and may yet to be published anyway.	1981 / 2019	64 games
On hold	Any project that has entered the vague state of being "on hold". Often result of financial problems with developer or publisher/producer as resources are allocated elsewhere until they get enough capital to continue the projects.	1987 / 2015	16 games
Prototype	Game remains officially unpublished but somehow available to someone in prototype/demo form. In rare cases, it may see some form of publishing at a future date	1977 / 2022	620 games
Unconfirmed	Entries added before official (public) confirmation has been made for the game (thus these are not necessarily even in development).	2013 / 2015	3 games
Vaporware	Any games that were or still are considered vaporware. Usually requires that news about the game pop up repeatedly over several (3-5+) years but nothing tangible appearing.	1990 / 2018	11 games