Regarding games and movies it's close to impossible for me to pick my favorites overall so I'll list my favorite game in each genre.
Puzzle: Portal (Portal 2 close 2nd)
Multiplayer: The Last of Us
TPS: Plants vs Zombies: Garden Warfare (The Last of Us close 2nd)
FPS: Borderlands (Bioshock close 2nd)
JRPG: Valkyria Chronicles
WRPG: Fallout 3
ARPG: Diablo 3
3D Platformer: Spyro: Year of the Dragon
2D Platformer: Limbo
Karting: Crash Team Racing (Sonic & All-Star Racing Transformed close 2nd)
Action game: Assassin's Creed 2 (Dead Rising close 2nd)
Open world: Grand Theft Auto: San Andreas (Red Dead Redemption close 2nd)
Horror: SOMA (Resident Evil close 2nd)
Fighting: Tekken 3
Arcade racing: Need for Speed: Underground 2
Sim racing: Gran Turismo 1
Sports: SSX
Simulation: Minecraft
Motion-controlled: Sports Champions 2
MMO: None