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.
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.
Find the light at the end of the tunnel.
Locate the lifeless mother cuttlefish, surrounded by her spawn.
In our darkest hours, even a little amusement goes a long way.
Evade an octopus's ink blast.
Distract a cuttlefish using a flare.
Defeat a cuttlefish, before it gets too close for comfort.
Defeat an anglerfish, before it gets a grip on you.