Here is the full list of all 50 Lost Planet 3 achievements.
Found all Logs.
Finished Kovac's Quests.
Fully Unlocked Bestiary.
Finished the Game on Hard Difficulty.
Finished the Game on Any Difficulty.
Stopped Isenberg for Good.
Watched Coronis Fall.
Defeated Laroche.
Planted every Post.
Bought every Weapon and Rig Upgrade.
Discovered Nushi.
Restored the Fueling Depot.
Discovered the Lost Contractor's Fate.
Purchased all Ethologist Upgrades.
Killed the Gorevorgg.
Found all Mementos.
Took Storm Readings.
Completed Deep Core Drilling.
Stopped the Akrid infestation.
Found a Memento.
Tagged an Albino Tarkaa.
Opened the Armory.
Found 50% of Logs.
Returned the Medicine.
Killed a Cat-G Akrid with the Rig.
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.