This will signal the end of the beta testing phase of the game, but "does not mark the end of development" by indie studio New World Interactive. It's a squad-based shooter in close quarters.
"We’ve gained tremendous feedback from our community during early access, and in the process have grown accustomed to providing frequent updates to the game based on user experience,” said NWI founder and game director, Jeremy Blum, a key figure in mods Red Orchestra and Insurgency: Modern Infantry Combat.
Insurgency supports 32-player matches, 6-player co-operative, and was built using Valve's Source engine. It's currently available for Windows and Mac viawith development continuing for Linux.