Dark Sector has been on my wishlist for a long time but it hasn't bee. on sale for years. It was a pleasant surprise to the start of the Autumn Sale seeing it was free to claim. Dark Sector is free on Steam until 1 December. Claim it while you can!

https://steamproxy.com/steamstore/app/29900/Dark_Sector/?curator_clanid=44230955

Don't forget to go through the Steam Discovery Queue for the free Autumn Sale stickers too!