Quote We're making very good progress, but there are a few missing pieces before it's ready. It's important for us to have Linux support in time for the SteamOS launch.

Article taken from GamingOnLinux.com.

It has been a long time coming, but it seems Insurgency will be with us within the next few months. The developer said it was important.They recently said this on reddit I tried it out a long time ago, and I personally thought it was awesome. We need more tactical FPS games on Linux, and there's a big drought of them. They are one of the most popular types of games around (CoD, Battlefield), and we need them to help our popularity in the long run.Take to the streets for intense close quarters combat, where a team's survival depends upon securing crucial strongholds and destroying enemy supply in this multiplayer and cooperative Source Engine based experience. The follow-up game to the award-winning Source mod, Insurgency is highly competitive and unforgivingly lethal, striking a balance between one-life gameplay and prolonged action.