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