Why such short game play?

Why does it seem like the price of games continues to go up while the length of game play seems to go down? Games like

Heavenly Sword, Assassins Creed and Uncharted: Drakes Fortune (all for PS3) cost 59.99 each, and each less than 8 hours of game play with little or no replay value. Personaly, I would rather see sub-par graphics and gain much more time actually playng the game (i.e. GTA SanAndreas). If anyone could explain why this is please let me know. Also if anyone could recomend any good action/adventure games that dont suffer from this longevity issue I would appriciate that info too. thanks

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Older games were the same price, WAY shorter, and audio and visuals were alot worse too.

I am just saying that on average games for PS2 were 50 bucks and games for PS3 around 60 bucksAirbizkit1

Whats your point?

Maybe i am just getting cheap in my old age, I get a little upset when i pay 60 bones for a game and i beat it less than one day, no matter how fun the game is or how good it looks Airbizkit1

What do you mean by "old age." Typically the older you get the less time you have for gaming due to work, family, and other resposibilities. So, really, a shorter game is a blessing when you only have an hour to play a night. For a game like Heavenly Sword that's like a week's worth of entertainment.

Maybe i am just getting cheap in my old age, I get a little upset when i pay 60 bones for a game and i beat it less than one day, no matter how fun the game is or how good it looks Airbizkit1

then start renting games, thats a pretty simple fix instead of complaing about basically ripping your self off. I dont think all games deserve the price either but thats y i only buy ones i know i will want to play often with good MP