Questions answered by trickfred

You can start a new game from the beginning of any chapter you have reached. Once you have completed...

You cannot. Only the PS3 and Steam versions have cross-platform multiplayer support.

On the Xbox, you can play local (couch) co-op with a friend and a second controller, splitscreen. I ...

You didn't state your platform, so I'll answer based on the version I have, XBox 360. If you go to ...

Portal 2 is actually much easier than the first game (though much longer), all of the puzzles are ea...

If you mean the 'SaBOTour' achievement (which has the description 'Make a break for it'), you get it...

Sure, you can be shot to death by robotic turrets, fall into water and drown, or fall to your death ...

If you like humourous games, and/or puzzle games, then yes, definitely, especially if you like both....

It's an in-game joke. GLaDOS continually dangles the offer of a cake in front of you as a reward for...

If you're asking about the Steam code that comes with the PS3 version, no, it must be attached to yo...

No, crates are for puzzle solving (ie - leaving on buttons), and not for opening.

There are three 'batteries', power sources that you need to remove from their sockets, to kill the o...

You can always buy it for PC, yes, but if you mean for free? No. A Steam key came with the PS3 versi...

There is a complete list of times and locations here, for Sega CD, 32X, PC and 3DO: http://www.game...

Punch Out featuring Mr. Dream

Attack, Healing, Effect

Master Chief

Prof. Julie Langford, I presume. Edit: I thought you meant the Bioshock series, did you mean Ruptur...

Onyxia and Nefarian!

Friedrich Nietzsche!