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.
Bought every Weapon and Rig Upgrade.
Restored the Fueling Depot.
Killed the Gorevorgg.
Fully Unlocked Bestiary.
Finished Kovac's Quests.
Took Storm Readings.
Discovered the Lost Contractor's Fate.
Found all Mementos.
Purchased all Ethologist Upgrades.
Planted every Post.
Completed Deep Core Drilling.
Found a Memento.
Found 50% of Logs.
Stopped the Akrid infestation.
Tagged an Albino Tarkaa.
Opened the Armory.
Returned the Medicine.
Killed a Cat-G Akrid with the Rig.
Found a Mysterious Structure.
First Weapon Upgrade Purchased.
Purchase First Rig Upgrade.
Brought the Com-Dish Online.
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.
Won a Multiplayer Match.
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 Sphere Cell.
Unlocked 30 Sphere Cells.
Unlocked all Sphere Cells.