Gamestop Sale 12/26-12/28 and Price Drops

[esquire]

Gamestop has a sale flier out for 12/26-12/28. Notable sale items include:

Buy 2 Get 1 Free on all used games
Motorstorm Used (PS3) - $9.99
Assassin's Creed Used (PS3) - $19.99
Save $20 off Rock Band 2 Bundle for PS3 ans 360
$20 off Far Cry 2, Midnight Club LA, Spiderman Web of Shadows, Quantum of Solace and Pure for PS3 and 360 - $39.99
Call of Duty 3 (Wii) - $9.99
Fable II Strategy Guide - $9.99

Also, I picked up The Last Remnant (new) and it rang up at $39.99, and the other day I picked up Prince of Persia (used) for the PS3 and it was marked at $34.99, and it rang up at that price as well.

[Jackattack]

Is Assassin's Creed worth 20 buck? The reviews were mediocre to pretty good, but a lot of people harped on the repetition and "mini-games" in between the actual missions. Were they as bad as the reviews said?