The Assassins Creed Review was based on 4 qualities:

Audio, Gameplay, Graphics, and Story.
Each quadrant equates to no more than five points making a total of 20 points possible.

Audio = 2                          |    Gameplay = 1
-2 Altair's voice acting       |    +2 Leaping attacks
+2 Other voice acting       |    -2 Artificial Intelligence
+1 Music                           |    -1 Horseback/ Combat / Travel
+1 Sound Effects              |    +2 Scaling & Jumping Rooftops
                                         |
-------------------------------------------------------------------
Graphics = 5                     |    Story = 0
+2 Scenary                       |    -1 Cut scenes
+1 Destructable Terrain   |    -1 Interractive Cut Scenes
+2 Combat animations     |    +2 Interesting
                                         |
                                
Total points awarded = 8 which is roughly 40% of 20, which equates to 2 out of 5
(Im no math wiz but it sounds good to me.)