Crash Dive achievements

Take your sub below 250m without imploding.

Sink a ship by ramming it.

Successfully completed a Patrol at Sim difficulty.

Successfully completed a Single Mission at Hard difficulty.

Successfully completed a Single Mission at Medium difficulty.

Successfully completed a Single Mission at Easy difficulty.

Successfully completed a Single Mission at Sim difficulty.

Sink an enemy ship after your sub has been destroyed.

Take your sub below 230m without imploding.

Sail your sub more than 1 million km.

Use up all Resupply Points on a patrol.