- Cheats
The indicated cheats can be purchased for the listed price once the 'Cheats' menu has been unlocked:


Unlimited Ammo

Assault Rifle	5,000
Plasma Beam/Mr. Toots	5,000
Pulse Grenade	5,000
Rail Driver	5,000
Nano Rifle	5,000
Banshees	5,000
Charge Launcher	5,000
Rocket Launcher	5,000
Shotgun	5,000
XNG-5000	5,000
Plasma Cannon	5,000
Arc Welder	5,000
Singularity Cannon	5,000
Pistols	5,000

Weapon Unlocks

Convergence Laser	8,000
L.E.O. Rocket Launcher	8,000
L.E.O. Machine Gun	6,000
Napalm Laser	10,000
Lava Barge Turret	6,000

Visual Modes

Sketch Mode	10,000
Night Vision Mode	8,000

Other

Instant Nano Forge	10,000
Super Melee	8,000

- Easy 'Haymaker' achievement
After unlocking the Impact and partially upgrading it, go to a level where there are a lot of Creepers. When they all swarm around you, shoot them with the Impact. It should kill them all, and you will get the 'Haymaker' achievement.

- Trophies
Successfully complete one of the following tasks to get a trophy:

Bronze Trophies
Must Go Faster	Travel to the Marauder homelands.
Old Friends, Older Enemies	Safely escort Be victorious inters through the depths.
Vanguard	Escort the convoy.
Cheater!	Buy a Cheat.
Survival of the Fittest	Make it to the surface.
Haymaker	Kill 5 enemies in one shot with Impact.
Hit 'N Run	Kill an enemy by ramming them with the Inferno GX.
Back At Ya!	Make an enemy kill themselves while shooting at your Shell.
Unto The Breach	Gain entry into the Terraformer.
What Is Best In Life?	Perform melee finishers on 25 Creepers (single player only).
Martian Matchmaker	Fire an enemy into another enemy with the Magnet Gun.
Money Well Spent	Buy out any one Improve ring.
Things Fall Apart	Destroy the Water Filtration Plant.
I'm All You've Got	Defend the Red Faction.
Soldier	Finish waves 1 through 10 on any map in Infestation.
Knock, Knock	Open up the secret entrance.
Field Surgeon	Perform Revival 25 times in Infestation.
Zero G War	Kill 50 Shockwaved enemies before they hit the ground.
Bug Hunt	Finish at least one wave on each map in Infestation.
Salvager	Find 200 piles of salvage.
Family Business	Overcome the Mantis.
Ooooh Yeah!	Kill 5 enemies with one L.E.O. shoulder bash.
Crack Shot	Kill a Wraith before it re-sheaths.
Keep pushed Still	Kill 6 enemies in one use of Shockwave.
Liftoff	Send an enemy at least 50 meters with the Magnet Gun.
Plan B	Find out how to reach the lair.
We're Not Alone	Make it back to civilization.
Boom Goes The Dynamite	Kill 2 other enemies with a single exploding Berserker.
Crusader	Kill 175 enemies while in the L.E.O. exoskeleton.
Secrets Long Buried	Remove the Seal.
Exterminator	Destroy 100 Pods while piloting the Mantis.
It's All In The Wrist	Send an enemy at least 30 meters with Impact.
Losses	Make it through to the lair.
One Big, Ugly Motha...	Overcome the source of it all.
Martian Drive-By	Kill 100 enemies while in the Marauder Scout Walker.
Lock And Load	Keep Berserk active for at least 21 seconds in one use.
Weather The Storm	Destroy the Jamming Devices.
Silver Trophies
In. The. Face!	Kill one of each enemy type with the Maul.
Martian Can Opener	Buy every Improve.
All For One, One For All	Finish a 4 player Infestation game beyond wave 9 without anyone bleeding out.
That Coulda Gone Better	Finish the Single Player game on Hard Difficulty.
Chronicler	Listen to 40 Audio Logs.
Commando	Finish waves 1 through 20 on any map in Infestation.
Nanergy!	Gather 25,000 total salvage.
Catch!	Use the Magnet Gun to fling debris BACK at a Tentacle.
Breathe Easy	Put an end to the threat, once and for all.
Gold Trophies
I Need A Nap	Finish the Single Player game on Insane Difficulty.
Honorary Mason	Finish waves 1 through 30 on any map in Infestation.
Platinum Trophies
Red Faction	Armageddon Master

Bronze Trophies
A Taste of their Own	Eliminate 10 enemies using one of their own turrets.
Nuke It from Orbit	Wipe out the Cultist military camp.
Bird of Prey	Allow no Red Faction to survive your attacks on their mountain base.
Armored Cavalry	Rescue the pinned-down Red Faction soldiers.
Stick Around	Get 20 kills with the Sharpshooter.
Air Superiority	Clear a safe path to the Terraformer for Hale.
Wrecking Ball	Get 20 kills with the Shard Cannon.
Swath of Destruction	Reunite Sgt. Be victorious inters with the Red Faction.
Full of Malice	Kill Mallus.
Silver Trophies
Triple Threat	End the three-way battle between yourself, the aliens, and the Cultists.

- Completion bonuses
Successfully complete the game to unlock Mr. Toots, the 'Cheats' menu, and New Game+ mode.