In order to claim the free game, you will need to sign up for the Humble Newsletter, and in return you will receive a Steam key. The game is free to keep after you have activated the key, but the code must be used before May 14, as it will expire after this date.
Ashes Of The Singularity is free until May 10, so make sure to grab it before it disappears. The Humble Store Spring Sale is on until May 21.
Ashes Of The Singularity is free until May 10, so make sure to grab it before it disappears. The Humble Store Spring Sale is on until May 21.