Now, I will hardly ever place myself into a comic, but I felt it would add even more to the story. What's the story in the comic? My lips are sealed. Find out on your own!
Seriously though, Limbo is a fantastic little game and the story, though very minimalist, is quite compelling. The developer, Playdead, has said that the story is open to interpretation. And that's it! Play the game, enjoy the weirdness and think about it for a few days straight.
I purchased it on Steam and got through the whole thing in about four hours. The game does not overstay its welcome and is always throwing new ideas at you, so I wholeheartedly think it is worth a purchase.