The Humble Store is one year old today, and in celebration of that fact they're having a sale on specific PC games. And if that's not enough, they're giving everyone a free copy of Metro 2033 for the next 24 hours.
In order to claim you free copy you just have to log in to your Humble account and redeem it over here on the website.
Once you've grabbed your free game you may want to check out some of the discounts they have, which include:
- 50% off Metro Redux Bundle
- 50% off Banished
- 75% off Sonic Hits Collection
- 75% off Batman: Arkham Origin
There are loads more games on offer, so take a look. Discounts end Tuesday, November 11, 2014 at 10 a.m. Pacific time.