I have a little spare time so let's start this!
50. Add an F to the first letter of both words composing the name of the game and you get the organization the main charcater works for. It's an N64 game
49. This videogame Superstar got his castle stolen by his cousin and has to find a number of "keys" to open the door of the castle and take it back
48. I played this game in french and I realized that the name of an unplayable charcater was changed in the french version compared to the english version. Strangely enough, both names sound very french. it's the last installment of the franchise
47. This game released on two consoles. The two releases were 7 years apart and the latest release saw some levels and features added. The franchise got a spin-off recently
46. The final Boss of this game is.... Baby Bowser