How Long Should Each Game Last Me?

Question

I am getting these games and I would like to know how much hours or days of game play I should be expecting. If you answer the bonus then obviously you have a higher chance of getting best answer.

Assassin's Creed

Dead Rising

Crackdown

NBA Street Homecourt

NHL 09

Saints Row 2

Gears Of War 2

Bonus: GTA IV DLC

Answer 1

assasins creed, saints row  20hrs +

dead rising 8+

crackdown 15+

nba/nhl depends how you play it, ive never played them so i cant answer that

Answer 2

wow there's no answer to this one it's all on how you play the game.

Answer 3

Assasin's Creed = 15 hours

Dead Rising = 2 weeks

Crackdown = 20 hours

NBA Street Homecourt = weeks

NHL 09 = weeks

Saints Row 2 = 2 weeks to a month

Gears Of War 2 = Months!?!

Bonus: GTA IV DLC = Weeks to Month's