Full list of all 12 Aqua: Naval Warfare achievements worth 200 gamerscore. It takes around 6-8 hours to unlock all of the achievements on Xbox 360.
Finished the Tutorial.
Found the hidden upgrade in the Prologue mission.
Defeat the Prize Cruiser.
Unlock all player ships in the game.
Defeat the Biotica Serpenta.
Defeat the Biotica Ultima.
Collect all Collectibles in the game.
Destroy a Behemoth artillery ship.
Kill 2500 enemies.
Finish an episode without dying on Extreme.
Survive 25 waves in Skirmish mode.
Win 10 Chase mode games.