Here is the full list of all 40 Depth achievements.
Kill a player that is attacking a team mate 50 times.
Recover $10,000 worth of treasure from locations at least 30 meters away from S.T.E.V.E.
As a diver, slaughter a seal.
Be the first player to reach the Explosive Harpoon in a game of Megalodon Hunt.
As a shark, disable S.T.E.V.E. 50 times.
Get 10 Kills as the Bull Shark.
Hit both sharks with a single spear.
Repair S.T.E.V.E. for 500 points of damage using the welding torch.
Kill 6 sharks without dying.
Kill 10 Bull Sharks.
As a shark, bust through a wall and grab a diver on the other side with a single lunge.
Successfully toss a bag of treasure to S.T.E.V.E. at a distance greater than 20 meters.
Win a game with 3 or less deaths.
As any shark, max out your species active ability.
Be on every leaderboard.
Land the final killing blow in a game while your teams tickets are at zero.
Bank Roll the team to gold level 10 times.
Get 5 or more kills by using mines in a game - without teamkilling.
Kill 6 divers without dying.
Kill a diver while their whole team is watching and live.
Win games on 5 different maps.
Unlock 14 pieces of diver equipment.
Get 2 kills within a single clip from an automatic weapon.
As a diver, kill 16 sharks in a game.
Secret achievement!
While low on health, slay 50 sharks with the diving knife.
As a shark, destroy 50 Sonar Buoys.
As a shark, kill 1000 divers.
As a shark, kill 25 divers with their own mines.
Tag 100 sharks resulting in their death.
As the Megalodon, kill 10 Divers in a single life.
Kill the Megalodon with no help from other divers.
Land the killing blow on 100 Megalodons.
As the hammerhead, Kill 10 divers with impact damage.
Heal teammates 10 times with Medkits you deployed.
As a diver, ensnare 25 sharks in a net, resulting in their death.
As a shark, completely destroy S.T.E.V.E.
Get 10 Kills using P.A.T.
As a shark, destroy 10 P.A.T.
Hit multiple divers with the Thresher's Tail Lash 9 times.