Valve Software has announced the "Steam For Linux Celebration Sale" that runs until next Thursday, 21 February. Most of the titles being distributed right now on Steam with Linux ports are part of this sale that are as much as 75% off their original price.
Among the many deals to be had right now are Counter-Strike Source for just $4.99, Killing Floor for $6.80, Trine 2 for $3.74, Half-Life for $2.49, Serious Sam 3 BFE for $7.99 at an 80% discount, and Postal 2 Complete for just $7.49. Valve is also giving Linux gamers on the free-to-play Team Fortress 2 a free Tux in-game item through the end of the month.
Head on over to the SteamPowered.com Sale to participate in celebrating Valve's Linux efforts by picking up some titles at great discounts.