What is the best video game series

The results on this list are based on 31 top 10 lists made by professionals. points were given to each game by giving 10 points for a 1st, 9 for a second, etc., then the points were added up from the individual games and put towards the series as a whole. 26 individual games made the original cut, here are the top 5 series based on that.
note that series with more than one entry automatically become higher than a series with one entry, so that explains why the number 5 franchise is at number 5 and not number 3.:
1.Legend of Zelda- 290 pts (ocarina of time-163, link to the past-98, legend of Zelda-29
2-Super Mario- 281 pts (Mario 64-133,super Mario bros-70,SMB 3-45,SM world-33)
3.Final Fantasy-131 pts (FF VII-59,FF III-36, FF VI-36)
4.Half-Life- 57 pts (half life 2-36, half life-21)
5. Tetris- 136 pts (Tetris-136)