Here are is the full list of unlockable achievements in Red Faction: Armageddon for the Xbox 360. I have placed the secret achievements at the bottom in their own section.
All For One, One For All (25) – Finish a 4 player Infestation game beyond wave 9 without anyone bleeding out
Back At Ya! (20) – Make an enemy kill themselves while shooting at your Shell
Boom Goes The Dynamite (10) – Kill 2 other enemies with a single exploding Berserker
Bug Hunt (20) – Finish at least one wave on each map in Infestation
Catch! (30) – Use the Magnet Gun to fling debris BACK at a Tentacle
Cheater! (20) – Buy a Cheat
Chronicler (25) – Listen to 40 Audio Logs
Commando (50) – Finish waves 1 through 20 on any map in Infestation
Crack Shot (10) – Kill a Wraith before it re-stealths
Crusader (15) – Kill 175 enemies while in the L.E.O. exoskeleton
Exterminator (15) – Destroy 100 Pods while piloting the Mantis
Family Business (20) – Defeat the Mantis
Field Surgeon (15) – Perform Revival 25 times in Infestation
Haymaker (10) – Kill 5 enemies in one shot with Impact
Hit ‘N Run (15) – Kill an enemy by ramming them with the Inferno GX
Hold Still (10) – Kill 6 enemies in one use of Shockwave
Honorary Mason (75) – Finish waves 1 through 30 on any map in Infestation
I Need A Nap (75) – Finish the Single Player game on Insane Difficulty
I’m All You’ve Got (15) – Defend the Red Faction
In. The. Face! (25) – Kill one of each enemy type with the Maul
It’s All In The Wrist (15) – Send an enemy at least 30 meters with Impact
Knock, Knock (15) – Open up the secret entrance
Liftoff (10) – Send an enemy at least 50 meters with the Magnet Gun
Lock And Load (20) – Keep Berserk active for at least 21 seconds in one use
Losses (15) – Make it through to the lair
Martian Can Opener (40) – Buy every Upgrade
Martian Drive-By (15) – Kill 100 enemies while in the Marauder Scout Walker
Martian Matchmaker (10) – Fire an enemy into another enemy with the Magnet Gun
Money Well Spent (15) – Buy out any one Upgrade ring
Must Go Faster (15) – Travel to the Marauder homelands
Nanergy! (30) – Gather 25,000 total salvage
Old Friends, Older Enemies (15) – Safely escort Winters through the depths
One Big, Ugly Motha… (20) – Defeat the source of it all
Ooooh Yeah! (10) – Kill 5 enemies with one L.E.O. shoulder bash
Plan B (15) – Find out how to reach the lair
Salvager (20) – Find 200 piles of salvage
Secrets Long Buried (10) – Remove the Seal
Soldier (25) – Finish waves 1 through 10 on any map in Infestation
Survival Of The Fittest (15) – Make it to the surface
That Coulda Gone Better (30) – Finish the Single Player game on Hard Difficulty
Things Fall Apart (20) – Destroy the Water Filtration Plant
Unto The Breach (15) – Gain entry into the Terraformer
Vanguard (15) – Escort the convoy
Weather The Storm (15) – Destroy the Jamming Devices
We’re Not Alone (10) – Make it back to civilization
What Is Best In Life? (15) – Perform melee finishers on 25 Creepers (single player only)
Zero G War (20) – Kill 50 Shockwaved enemies before they hit the ground
There is only one secret achievement in Red Faction: Armageddon for the Xbox 360.
Breathe Easy (30) – Put an end to the threat, once and for all