Achievements:ACHIEVEMENT – HOW TO UNLOCKNaval Academy Award (10 points) – Finish the Tutorial. Battle Bravery Badge (10 points) – Defeat the Prize Cruiser. Admiralty Almanac (10 points) – Unlock all player ships in the game. Navy Shield of Merit (20 points) – Defeat the Biotica Serpenta. Emperean Navy Medal of Honor (30 points) – Defeat the Biotica Ultima. Collector of Collectibles (30 points) – Collect all Collectibles in the game. Shellshock (10 points) – Destroy a Behemoth artillery ship. Legend (20 points) – Kill 2500 enemies. Gadget Finder (10 points) – Find the hidden upgrade in the Prologue mission. Divine (20 points) – Finish an episode without dying on Extreme. Wavebreaker (20 points) – Survive 25 waves in Skirmish mode. Chaser (10 points) – Win 10 Chase mode games.?