TheLastStarFighter on 02 May 2013
Metroid is considered the third in the big 3 because it is the third biggest unique IP. Mariokart is a spinoff from Mario which is a spinoff from DK. They are all the same universe. Smash Bros is an IP mash up. Mario (present day fantasy), Zelda (ancient fantasy) and Metroid (future sci fi fantasy) represent the 3 biggest unique characters and game worlds in the world of Nintendo.
