Here is the full list of all 50 Lost Planet 3 achievements.
Found all Logs.
Finished the Game on Hard Difficulty.
Finished the Game on Any Difficulty.
Stopped Isenberg for Good.
Watched Coronis Fall.
Defeated Laroche.
Discovered Nushi.
Finished Kovac's Quests.
Bought every Weapon and Rig Upgrade.
Planted every Post.
Purchased all Ethologist Upgrades.
Tagged an Albino Tarkaa.
Fully Unlocked Bestiary.
Found all Mementos.
Restored the Fueling Depot.
Discovered the Lost Contractor's Fate.
Found a Memento.
Killed the Gorevorgg.
Took Storm Readings.
Completed Deep Core Drilling.
Stopped the Akrid infestation.
Opened the Armory.
Returned the Medicine.
Killed a Cat-G Akrid with the Rig.
Found a Mysterious Structure.
Found 50% of Logs.
Brought the Com-Dish Online.
Purchase First Rig Upgrade.
Planted your First T-Post.
Rescued the Trapped Scientists.
First Weapon Upgrade Purchased.
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.