Game that made you a fan of a specific gaming genre

[GOWTLOZ]

Hack and Slash - God of War: Chains of Olympus

Open World Sandbox - GTA: San Andreas

FPS - Killzone 2

TPS - Uncharted 2

Arcade Racing - NFS: Most Wanted 2005

Sports - FIFA 13

Fighting - Tekken: Dark Resurrection

RPG - Pokemon: Emerald