Completely destroy an enemy ship by ramming it.

Force down an enemy airship.

Land your ship on a floating rock.

Register your coat of arms.

Capture an enemy ship.

Cause enemy marines to mis-jump and fall to the ground.

Fire ten heavy cannon at once.

Win a multiplayer battle.

Win a multiplayer battle in the $200 fleet limit category.

Fight a battle with crew dead for at least 10 different reasons.

Win a battle with at least 100 crew lost.

Win an alliance victory.

Crown yourself emperor.

Win through conquest while hated.

Break an alliance three times in one game.

Break a treaty without losing any reputation.

Build a fleshcracker and a mech squid.

Win a game on Very Hard or Imperial without ever losing any territory.

Stop the ominous chanting in time.

Extract tribute in exchange for peace.

Complete the Final Ritual.

Sabotage a coronation three times in the same game.

Clear five biological monster nests in one game.

Lose 1000 crew in a single game.

Win a game without building any airships.

Defeat an aerial kraken using robotic tentacles.

Destroy three enemy ships with aerial hussars in one combat.

Destroy five enemy aircraft with your own aircraft in one combat.

Destroy a saw-equipped ship with a saw of your own.

Form an alliance with a cultist empire.

Build five upgrades in one city.

Provoke an age of unrest.