For the next 18 days get great deals on tons of DRM-free games.

The GOG.com Summer Sale has begun! Running through 8am GMT on June 21st, the sale will feature discounts up to 90% off, daily bundles and deals, and the chance to unlock three free games.

We're starting with a splash and diving straight into 100+ titles on promo in twice-daily deals, deep-discount bundles, and with FREE games to unlock! With new deals appearing on the site every 12 hours, we'll have more than 100 offers every day up to 90% off. We also have a few fun surprises in store to keep things fresh and worth the regular trip back to the summer sale!

Every summer adventure needs something special, that's why this year you can earn up to three games for free during the sale! Just do your thing, and the more you spend, the more free stuff you'll get! The rewards—free for everyone whose total spendings during the Summer Sale exceed a certain amount—will include:

• SimCity 2000 - free for everyone who spends at least $1
• S.T.A.L.K.E.R.: Clear Sky - free for everyone who spends at least $20
• Xenonauts - free for everyone who spends at least $50

Hop over to GOG.com now to check out the deals!