Achieve a speed of 150 knots or greater
Destroy an aircraft with your main guns
Complete a mission despite taking enough damage to sink four times over
Destroy a Super Typhoon before it can release its payload
Destroy a surface ship with anti-submarine weapons
Destroy a Lockheed CL-1201 nuclear-powered airplane
Destroy a paradropping ship before it can land
Destroy the Flying Battleship
Destroy the Apotamkin
Destroy the Habakkuk
Create a ship that uses every single ton of displacement
In a single mission, destroy 20 ships by ramming them
Ram a Tripod
Take to the skies!
Defeat the 疾風 障壁 最終兵器
Create a destroyer that has at least 40 weapons
Complete the Midway Raceway in under 3 minutes
Complete the Cloudy Crest Circuit in under 3 minutes
Use an assist
Win the top prize in Score Attack (Destroyer)
Win the top prize in Score Attack (Cruiser)
Win the top prize in Score Attack (Battleship)
Use a custom difficulty setting
Complete the stress test mission
Destroy the Vulcan
Find every treasure
Destroy the Biggest Gun
Destroy Níðhöggr
Kill Weaver