We have released our first update to The Great War to add features and content and address some issues that came up over the opening weekend. Complete release notes here
Update 4/10/14: We have posted another game update - wanted to get some stuff in ahead of PAX East this weekend. If any of you are coming we are in Booth #598 and will be showing The Great War, including Steam Controller support!
Update 4/17/14: New update posted! France added as playable, trade and supply significantly improved, and a raft of UI and content improvements. We also plan to start offering the game for sale on our site with this release.