Portal 2

This is a great game with interesting puzzles and a great story. It also has a separate story for coop which is quite rare and impressive.

If you enjoyed Portal 1, you gotta play this sequel! Amazing puzzle, quite difficult sometimes, but never to the point of getting you to stop playing the game. I enjoyed every bit! And co-op mode is loads of fun, but has to be played with a friend (coz it requires real cooperation).

After playing Portal one, a side project to the Half-Life series, I was a bit dubious about how Valve would introduce a sequel and how successful it would be. And lets just say I was MORE THAN IMPRESSED. This is by far the most rewarding single player game I have played in a while. This game makes you think completely outside the box - and the introduction of a story line and the new voice actors, along with the Original GlaDOS have truely made this game a winner. The incredible voice-acting and consistent dark comedic one-liners kept me laughing all the way to the end and really keep the gamer immersed.

The game just keeps on suprising you, challenging the way you view a presented problem. The single player itself can be clocked between 6-10 hours depending on the players problem solving skill level, but an additional 4-6 hour co-op campaign (picking up directly after the single player story line) is an absolute blast - especially on a system link at home with a friend.

I cannot express how highly I recommend everyone play this game. 5 STARS is an understatement!

Portal 1 was a great game with a superb concept, and with Portal 2 we have all the winning elements of the first game mixed with some additional setups from HalfLife2, excelent voice acting, black humor and new exciting environments, and what do you get? A true masterpiece of course!

This games takes what they did well on the first game shakes it up like a bottle of coke and drops some mentos in it! Just plain awesome!

The co-op campaign is just too fun for words. If you don't at least give it a try in addition to the great single player game then you'll be missing out.