What Could Have Been / Video Games

http://static.tvtropes.org/pmwiki/pub/images/MarioGunner1_4190.png
Mario was originally going to have a gun. No, seriously.

Video game development is a long, hard, and convoluted process, and often things are cancelled, removed or Dummied Out. Maybe something just didn't work in practice, or they didn't have time to implement it in the way they wanted. Whatever the reasons, we can only wonder What Could Have Been.

Series with their own pages:

Everything else:

See also the Canceled Video Games index.
http://tvtropes.org/pmwiki/pmwiki.php/WhatCouldHaveBeen/Videogames