This giveaway ends on June 11, grab it before you forget & it's gone.
1. Go here
2. Scroll down until you see "A gift for you"
3. Login (or signup)
4. Click "Grab the gift"
5. It should send you an e-mail confirming that you have received the game
While you are there you might as well check out the GOG Summer Sale 2015 which has over 650+ games on sale & 20+ bundles.
Sid Meier's Starships & Civilization: Beyond Earth Bundle
Focus Indie Bundle - 20% off coupon: 20PERC-ENTOFF-JUNE20
G2A Weekly Deals - 3% off coupon: KINGS
Digital Games Summer Sale
Dragon Age: Inquisition Deal
20% Off All PC Releases using voucher code 20PERC-ENTOFF-JUNE20
Borderlands 2 GOTY Edition Deal