There are 48 achievements worth a total of 1000 points
Finish the Single Player game on Hard Difficulty.
Kill 5 enemies with one L.E.O. shoulder bash.
Make it through to the lair.
Defeat the source of it all.
Kill an enemy by ramming them with the Inferno GX.
Destroy 100 Pods while piloting the Mantis.
Gather 25,000 total salvage.
Kill 100 enemies while in the Marauder Scout Walker.
Kill 175 enemies while in the L.E.O. exoskeleton.
Find 200 piles of salvage.
Open up the secret entrance.
Destroy the Water Filtration Plant.
Make it to the surface.
Escort the convoy.
Remove the Seal.
Make it back to civilization.
Defend the Red Faction.
Safely escort Winters through the depths.
Find out how to reach the lair.
Travel to the Marauder homelands.
Destroy the Jamming Devices.
Defeat the Mantis.
Buy out any one Upgrade ring.
Finish a 4 player Infestation game beyond wave 9 without anyone bleeding out.
Finish waves 1 through 10 on any map in Infestation.
Perform Revival 25 times in Infestation.
Kill 2 other enemies with a single exploding Berserker.
Kill a Wraith before it re-stealths.
Finish waves 1 through 20 on any map in Infestation.
Make an enemy kill themselves while shooting at your Shell.
Listen to 40 Audio Logs.
Buy a Cheat.
Finish waves 1 through 30 on any map in Infestation.
Finish the Single Player game on Insane Difficulty.
Perform melee finishers on 25 Creepers (single player only).
Send an enemy at least 30 meters with Impact.
Kill 5 enemies in one shot with Impact.
Kill 50 Shockwaved enemies before they hit the ground.
Buy every Upgrade.
Kill 6 enemies in one use of Shockwave.
Keep Berserk active for at least 21 seconds in one use.
Send an enemy at least 50 meters with the Magnet Gun.
Fire an enemy into another enemy with the Magnet Gun.
Kill one of each enemy type with the Maul.
Finish at least one wave on each map in Infestation.
Use the Magnet Gun to fling debris BACK at a Tentacle.
Gain entry into the Terraformer.
Put an end to the threat, once and for all.