Humble Bundle Canada has a freebie offer available for Linux, Mac and Windows users where you can download the game Limbo for free! This game is full of adventures and puzzles that you must solve; it has gained popular acclaim for detailed graphics and tight platforming.
To get this freebie offer, you will need to sign up for a free Steam account.
Click here to get this freebie from Humble Bundle Canada.
As of 9:20 PM Eastern, the price is $9.99 USD : \