The game is titled Braid.
The game has the basic stylings of a platformer. You run, you jump, you bounce off of the walking mooks. You collect the puzzle pieces,
and occasionally, you miss and die.
and you put the pieces together.
Each world is divided into levels: each level has new, varied landscape, and a new puzzle or three to solve. Each world operates on a different theme. Immutibilty, Association, Hesitency, Division, as I would call them. Every level will teach you at least one new way that these concepts irrevocably alter the world around you. If you want every piece, you have to learn.
On the basis of a platformer, Braid is a marvelous game. The puzzles are fresh, and straddle the line between insane and intuitive. What you're doing makes no sense, except that when it's done, it did. Even more interesting is how much the game rewards experimentation. If you're stuck, try everything you can think of. When you finally figure out what to do, you
might have missed that tiny window of opportunity,
can try your solution. And then you
Much more importantly is the story of Braid. Obviously, there are spoiler issues with telling the tale, so I won't. The story is revealed masterfully, influencing gameplay mechanics in creatively appropriate ways. As for the plot itself, suffice it to say ideas and philosophy will make you view the world a little differently.
Stripped down to it's core mechanics, Braid is a very original, well made and entertaining platformer. Viewing it in the scope of the grand ideas it will reference and force you to consider, in probably new ways... It is a thought-provoking work that could shift or shatter your paradigm.
I definitely recommend playing Braid. It's solid gameplay, and a story that can't be told properly, only experienced in the original medium. Reading or watching the story wouldn't be enough. Playing the game alone would be nice, but forgettable. Doing the two simultaniously is a delight.