Here is the full list of all 38 Refight:The Last Warship achievements.
Team up with a friend and complete 20 battles
Log in consecutively for 3 days
Collect 15 sets of Camouflage
Collect 6 Stern Flags
Collect 10 Ballistic Effects
Collect 10 sets of same styled bow and stern decals
Complete 10 battles equipped with a full set (all types) of decoration
Reach the maximum Tier Level
Complete all the challenges in a season (including Commander Medals)
Place 1st in 3 single player battles
Place top 5 in 20 single player battles.
Place 1st in 3 multiplayer battles.
Inflict damage on 8 or more enemy ships in a single battle.
Inflict more than 2,000,000 damage on enemy ships in one match.
Destroy 5 enemy ships in a single battle.
Destroy 100 enemy ships
Kill 3 enemy ships in a row in one battle, each kill must be within 30 secs of the last one
Be the first to get a kill in a match
Use your ship’s battery to sink 50 ships over the course of all matches you’ve fought in
Use your torpedoes to sink 50 ships over the course of all matches you’ve fought in
Kill 10 ships through them catching fire and flooding over the course of all matches you’ve fought in
Sink 2 enemy ship by ramming
Kill 1 enemy ship after being killed
Kill an enemy ship when your own HP has only 10% or less remaining
Sink 10 ships through calling in bombing runs
Sink the enemy when their warship has lost control of its rudders
Sink an enemy ship from hitting their core.
Destroy 1 active launcher on the enemy warship (Battery, Torpedo)
Inflict core damage on 8 enemy ships in a single battle.
Use torpedoes to sink 2 enemy ships, the second kill must be within 30 secs of the first.
Receive damage worth over 120% of your max HP and still survive in one match.
Sink 1 enemy ship shrouded in a smoke shell
Survive damage worth over 120% of your max HP from the storm area and survive
Sink 10 ships when outside the safety zone over the course of all matches you’ve fought in
Be the first to pick up an air drop supply crate in one match
Travelled across every sea territory in one match
Managed to fill all the warship’s equipment slots
Battlefield survival time has exceeded 1000 mins over the course of all matches you’ve fought in