27. WWF No Mercy
Before this game was released, wrestling games were fairly limited. The story modes were mostly terrible, and move sets were limited, so you essentially had to use your imagination to make up for those shortfalls. Then No Mercy came along, it had branching storylines that changed depending on your win/loss record (so you had to lose matches to see everything and thus get 100% completion), and move sets were greatly improved thanks to adding in various new types of match. Whether you like wrestling or not, it makes for a good video game when it's done right, and this remains the best wrestling game ever made.