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