#5  Mario Strikers: This game is the fifth best off-series Mario game becuase it has really fun game play and the new Charged game with special and Wi-Fi, this is a new beginning to this series!
#4  Mario Party: This game is fourth because this series has brought everyone fun! With every new game comes new mini-games and new characters and new environment! These games are the perfect Party game. This games are always fun to have!
#3  Paper Mario Series: This series got thrid because each game brought new ways how to play the games. The first Paper Mario, it brought Paper to the gaming world, and Paper never looked so good! The second uses the partners even more and with an even longer story and the Pit of a 100 trails, awesome! The thrid game, brought 2-D and 3-D to the game! That is the perfect idea!
#2  Mario Kart: This series got the second position because everyone has played at least one Mario Kart game! Each game also has something to give, like DS has Wi-Fi and missions! Double-Dash brought two-player to one kart, and they can alternate between driver and item thrower!
#1  Super Smash Bros: This is no doubt the best off-Mario series ever! This game has brought the fun of fighting with all Nintendo stars and got Super Smash Bros! Melee has over 25+ fighter and 25+ stages! With events and the Stadium challenges  and all-star and story mode, what else do you want? This game will also be number 1!