Uncharted 2 is a great action game, a fair shooter, a mediocre adventure game, and an awful platformer. Weapons feel "weightless" and unsatisfactory which is sad considering Goldeneye (1997) and Doom 2 (1994) taught the world how to create an AK-47 and a shotgun in a videogame. Exploration is totally absent due to the excessively linear scenarios that even take away from the player the classic left-or-right-path choice. Puzzles are just laughable, take a look at your notepad when prompted and if you can discern forms and colours you will overcome them.
The jumping and climbing feels rigged in your favour, verging on semi-automatic mode. Probably the price to pay for Drake's agile movement, brought to you by the marvellous Naughty Dog's Animation Department, that turns Uncharted 2 action and platforming sequences into truly playable stunt scenes, unlike other games which would simply take control away from you and play a cutscene because "what you're about to see is too awesome for us to let you do it".
Artistically and graphically the game is mind-blowing. Be it long forgotten ruins, a war-ravaged town or a tibetan monastery built upon a precipitous mountain chain, the visual spectacle is guaranteed.
The story is adequate and better told, thanks to a cast of great voice actors and sharp dialogue lines that make characters credible and suit the mood that one expects of an adventure film. Uncharted 2 is the best Indiana Jones action videogame ever (notice the word "action", Fate of Atlantis excluded). They even managed to include some Nazi reference incidentally.
The game is far from perfect. It lacks on the playability department, but it compensates it with spectacular action sequences, outstanding visuals and a set of characters you do care about.