Full list of all 20 Galactic Reign achievements worth 200 gamerscore. It takes around 4-5 hours to unlock all of the achievements on Windows Phone.
Win a game.
Win a battle in a multiplayer game.
Colonize three planets in one turn.
Earn a victory point.
Earn 30 stars in Battle Academy challenges.
Analyze a ship in a battle video.
Design a new ship.
Personalize your forces.
Win 25 games.
Win a battle with 50% or less of the enemy's fleet value in a multiplayer game.
Win a battle with less than 10% of your fleet value remaining in a multiplayer game.
Win two battles in one turn.
Build a fleet of value 3000 by turn four.
Build a fleet with five or more dreadnaughts in a multiplayer game.
Destroy an enemy dreadnaught in a multiplayer game.
Control all victory planets at the end of a turn.
Bombard a planet that breaks an opponent's sector.
Research all technologies in one game.
Win a game after being down by 10 victory points.
Earn 150 stars in Battle Academy challenges.