While the Humble Bundle team has always been a big supporter of gaming on Linux, there are No Games for Linux in the current Humble Bundle and Weekly Sale.
The video game company Unknown Worlds Entertainment has announced the coming release of Natural Selection II for Linux.
Steam remains the most downloaded free application in the Ubuntu Software Center in June.
Today, Dota 2 has finished the beta phase. It is now free-to-play and will be published soon for Linux, after the Linux test phase ran out.