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