This game is great, it's still one of the best puzzle games to this day, after you're done you can play online or in half screen mode with your friend.
If you don't have friends you can play comunity levels, at least that's what valve said, but these levels aren't good at all.

8/10

This game is great, it's still one of the best puzzle games to this day, after you're done you can play online or in half screen mode with your friend. If you don't have friends you can play comunity levels, at least that's what valve said, but these levels aren't good at all. 8/10