1 - A normal level-up system (Level up by numbers after gaining exp from battles, like from FFIV-IX)
2 - ATB gauge in battles (Like from FFIV-IX) or turn-based in general (either is good)
3 - World Map
4 - Nobuo Uematsu (spelling?) doing the music
5 - A large cast of playable characters (about 8-15), including both male and female