the game be great and the story be great with twist i would never have expect have my friend not spoil it for me . the creative puzzle will have you confuse to the max and the level design be surprisingly small but thanks to the portal technology and wall walk level seem surprisingly big then they actually be . the thing that surprise me the most be the long lasting storyline that keep go even when you think i would end but a small downside be the multiplayer . the mp be good the weapon and map be good it just the fact that the amount of people play be small and if someone lag everyone else do . the single player have a long lasting and lively story as well a inventive puzzle . nowadays you can pick it up cheap and i get my copy brand new for £20 . i say definitely rent it at least . graphic represent 8 the graphic be good but some area be a bit too shiny for me . sound represent 9 . 5 the sound be pretty good and the voice acting be great . story represent 10 play it yourself and you will understand . weaponry represent 6 there aren not many weapon but theyre cool . mp represent 6 . 5 could be good .