Here is the full list of all 10 Narcosis achievements worth 1,000 gamerscore. It takes around 3-4 hours to unlock all of the achievements on Xbox One.
Find the light at the end of the tunnel.
Defeat a cuttlefish, before it gets too close for comfort.
Distract a cuttlefish using a flare.
Evade an octopus's ink blast.
Defeat an anglerfish, before it gets a grip on you.
Locate unlucky Uzor, while your world’s turned upside down.
Recover one personal effect for each member of the Oceanova crew.
Retrieve ID cards from each member of the Oceanova crew.
Locate the lifeless mother cuttlefish, surrounded by her spawn.
In our darkest hours, even a little amusement goes a long way.