Mergers, studio closures (e.g., Buzz Monkey Software ), or shifts in console generations can make a project's business model obsolete.

A proposed spin-off of Rogue Squadron where players would lead Imperial forces; it was passed over for a Chewbacca-themed project.

Many unreleased games only survive through community efforts and unofficial leaks. Preservationists often track down "vertical slices" or prototypes to document what might have been.

A cancelled open-world adventure for PS2/Xbox that aimed to map the entire town.

Fans currently track long-delayed or highly anticipated "upcoming" titles that some fear may become unreleased, such as: Grand Theft Auto VI The Elder Scrolls VI