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