Here is the full list of all 26 Dread Hunger achievements.
Skipper the ship for 10 nautical miles
Win every map as every character
Get an S rating with every character
Poison the ingredients of the crew's stew
As a Thrall, claim a musket
As an Explorer, survive an entire match without eating any meat
As an Explorer, win while 100% cannibal
Cook a stew
As an Explorer, win a game
As an Explorer, win a game without hitting an iceberg
Win 20 games of poker
Craft a satchel
Max the boiler fuel gauge
Build a totem
Build a totem on the ship
As a Thrall, win by sailing the wrong way
As a Thrall, use the nitro to explode 3 Explorers at once
As a Thrall, win by sinking the ship
As a Thrall, win without either Thrall causing direct damage to another player
Win a game without your heat or hunger ever fully depleting
Invite a friend aboard
Kill a polar bear with your bare fists
Put coal in the boiler
Complete the tutorial
Destroy all the totems in the tutorial