Gas Powered Games is aiming to take Age of Empires Online out of DLC-supported free-to-play and into a truly free model. That means moving away from what Systems Design Lead Eric Williamson described as "more of a free to try" model and implementing a system through which players can earn points to unlock anything that could be more quickly bought with money. In anticipation of this change, PC Gamer sat down with Williamson and Design Lead Steve Bauman for a chat about some of the philosophy behind the change.

Williams said that their hope is that people who were previously turned off by the imperative that they spend money for full in-game advantage will be willing to give it another go. Players will now be able to earn enough points to unlock a premium civilization in "as short as two or three weeks of daily play," so those who spend the most time in-game will reap the greatest reward. Empire points, the purchase resource that will be gained by either money or in-game achievement, will be earned by players as they complete specific campaign quests, level up, and participate in Alliance Contests.

Age of Empires Online has been bringing free-to-play RTS action to the masses since August of last year, but so far players have had access to just three civilizations: Greek, Egyptian, and Persian. All of that is about to change, though, so ready your shillelaghs as the Celts join the battle. This new civilization, which seems to draw inspiration predominantly from Irish and Scottish folklore, will bring players a variety of new units and strategies with which to drive the opposition to its knees. Whether you're wreaking havoc with the speedy Woad Raiders or sacrificing a deer with the druidic Augur, the Celts will certainly bring new twists to any playstyle.

And of course, a new civilization also means new quests. The Celts' quests will have players battling it out in the frigid north, where the icy weather will slowly sap the health of any unit caught in the elements. The Celts will also introduce stealth missions, such as infiltrating an enemy fortress without waking the sleeping guards. To see the new civilization in action, just click past the cut for a bagpipe-filled teaser video, then head on over to the game's official site to get in on the action for yourself. Sláinte!