Here is the full list of all 50 Lost Planet 3 achievements.
Finished the Game on Hard Difficulty.
Unlocked Sphere Cell.
Won a Multiplayer Match.
Finished the Game on Any Difficulty.
Stopped Isenberg for Good.
Watched Coronis Fall.
Found all Logs.
Defeated Laroche.
Discovered Nushi.
Restored the Fueling Depot.
Finished Kovac's Quests.
Fully Unlocked Bestiary.
Discovered the Lost Contractor's Fate.
Purchased all Ethologist Upgrades.
Killed the Gorevorgg.
Tagged an Albino Tarkaa.
Bought every Weapon and Rig Upgrade.
Took Storm Readings.
Found all Mementos.
Found a Memento.
Planted every Post.
Completed Deep Core Drilling.
Stopped the Akrid infestation.
Found 50% of Logs.
Opened the Armory.
Returned the Medicine.
Killed a Cat-G Akrid with the Rig.
Found a Mysterious Structure.
Brought the Com-Dish Online.
Planted your First T-Post.
Rescued the Trapped Scientists.
Purchase First Rig Upgrade.
First Weapon Upgrade Purchased.
Secured the Moorings.
Emptied your First T-Post.
Defended Laroche.
Got your Rig.
Found a Log.
Saved by Laroche.
Won 25 Multiplayer Matches.
Won every Scenario.
Perform your first Stealth Kill in a Multiplayer Game.
Delivered The T-Eng Canister 2 times during a multiplayer Outpost Scenario match.
Killed 20 Wardeyes during a multiplayer Research Lab Akrid Survival match.
Delivered the T-Eng Canister 3 times during a multiplayer Alpha Lair Scenario match.
Destroyed Satellite Array.
Get a kill while on the Battlecat.
Delivered the T-Eng Canister to win a multiplayer Quarantine Scenario match.
Unlocked 30 Sphere Cells.
Unlocked all Sphere Cells.