Here is the full list of all 50 Lost Planet 3 achievements.
Bought every Weapon and Rig Upgrade.
Finished the Game on Hard Difficulty.
Finished the Game on Any Difficulty.
Stopped Isenberg for Good.
Watched Coronis Fall.
Defeated Laroche.
Finished Kovac's Quests.
Found all Logs.
Discovered Nushi.
Purchased all Ethologist Upgrades.
Fully Unlocked Bestiary.
Restored the Fueling Depot.
Discovered the Lost Contractor's Fate.
Found all Mementos.
Planted every Post.
Killed the Gorevorgg.
Took Storm Readings.
Completed Deep Core Drilling.
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.
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.
First Weapon Upgrade Purchased.
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.