Here is the full list of all 50 Lost Planet 3 achievements.
Finished the Game on Any Difficulty.
Finished the Game on Hard 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.
Found all Mementos.
Finished Kovac's Quests.
Discovered the Lost Contractor's Fate.
Bought every Weapon and Rig Upgrade.
Purchased all Ethologist Upgrades.
Completed Deep Core Drilling.
Planted every Post.
Found a Memento.
Tagged an Albino Tarkaa.
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.
First Weapon Upgrade Purchased.
Planted your First T-Post.
Rescued the Trapped Scientists.
Secured the Moorings.
Emptied your First T-Post.
Defended Laroche.
Got your Rig.
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.
Get a kill while on the Battlecat.
Destroyed Satellite Array.
Delivered the T-Eng Canister to win a multiplayer Quarantine Scenario match.
Delivered the T-Eng Canister 3 times during a multiplayer Alpha Lair Scenario match.
Unlocked Sphere Cell.
Delivered The T-Eng Canister 2 times during a multiplayer Outpost Scenario match.
Won a Multiplayer Match.
Perform your first Stealth Kill in a Multiplayer Game.