I completely agree lol mass effect 3 as an rpg is just .........wrong, kids these days lol.
RPG: Finalfantasy 7,8,9,10,10part2,12 any of those maybe dragon quest also legend of dragoon
MMO: Tera
Shooter: COD4 MW
Strategy: Any of the CIV games
Action: ratchet and clank any of the lego series e.g lego star wars also an oldy Vagrant story
Stealth: Tenchu
Racing: I dont really like racers much as a genre but if i had to choose either Motorstorm or Burnout
Sports: Mutant league hockey