The Force Awakens features a hidden visual reference to an abandoned concept from Star Wars: The Empire Strikes Back.

and included with some copies of St. Anger (I guess not mine): I have no idea why the game was abandoned — it may have had something to do with St. Anger‘s poor reception — but in any case, concept ...

The wilderness never ceases to enchant, from whispered winds scattering seeds to rain-kissed roots blooming in abandoned ...