* A Slave Obeys: Kill Mr. House with a 9 iron or Nephi's golf driver.
http://steamoss.com/sharedfiles/filedetails/?id=1099976389

* Benefit Or a Hazard: Kill 15 Robots with 5.56mm GRA pistol or "That Gun".


* Ne Ne Ne Ne: Cripple Right 5 Arms with Shotguns.
(In VATS target an enemies right arm while using a shotgun. To ensure its crippled i would reccomend using all of your AP to fire as many shots as possible.)

* Overkill: Kill 20 Animals with any Fat Man or Fat mines.
(Fat man fires mini-nukes. Any type of animal can be killed, brahmin, coyotes, etc.)

* The Same Could Be Said of All Religious Weapons: Kill 15 Feral Ghouls with Maria, Gehenna, or Holy Frag Grenades.
(Easy places to find feral ghouls are west of novac at repconn, at camp searchlight or vault 34. Maria is Bennys pistol and can be picked off his dead body, Gehenna can be bought from Vendertronn at the gun runners location near freeside/ncr sharecropper farms.)

* You Don't Belong In This World!: Kill 10 Abominations with Katanas, Dynamite, Machetes, Throwing Spears, Throwing Knives, and Throwing hatchets.
(Abominations are: Aliens, Centaurs, Deathclaws, Ghost people , Mr. House, Nightstalkers, Spore carriers, Spore plants, Think Tank)

Complete Three of these To Earn The Achievement.

** Historical Propriety: Kill Caesar with a Knife or Combat Knife.
http://steamoss.com/sharedfiles/filedetails/?id=1061410413
** Even a God-King Can Bleed: Cripple Caesar's head with Throwing Spears.

** Dyin' Ain't Much of a Living: Kill 5 members of NCR or Legion hit squads with weapons affected by the Cowboy perk.
(Most Pistols and Shotguns are included in this category. Examples are the 44 Magnum, Cowboy Repeater, Caravan Shotgun etc. Also ncluding Dynamite, Melee Knifes, Hatchets, and Tomahawks.)

** Nyah! See?: Kill 10 Chairmen, White Gloves, or Omertas with any submachine gun, light machine gun, or minigun.

** Talk About Owned: Kill Benny with his own gun, Maria.

** Sic Semper Tyrannis: Kill President Kimball with any One-Handed Pistol.

** Vault 13's Revenge: Kill 15 Super Mutants with 5.56mm Pistols, Plasma Defenders, Plasma Grenades, Power Fists, Rippers, or the Bozar.

** White Line Nightmare: Kill 20 Fiends, Vipers, or Jackals with Tire Irons, Baseball Bats, Lead Pipes, Machetes, .44 Magnum Revolvers, or Sawed-Off Shotguns.

Complete Three of These To Earn The Achievement.

*** Deathclaw Pro Hunter: Kill 5 adult Mojave Wasteland Deathclaws with .22 Pistols, Switchblades, Boxing Tape, Recharger Rifles, or Dynamite.

*** Armed for Bear: Kill any 15 named NCR Ranger or commissioned officer (Lieutenant, Captain, Major, Colonel, General) with Machetes, Rippers, Chainsaws, Throwing Spears, or Ballistic Fists.

*** Against All Tyrants: Kill any 10 named Legion members with Hunting Revolvers, Ranger Sequoias, Brush Guns, Service Rifles, Hunting Rifles, or Cowboy Repeaters.

*** Crackerjack Timing: Kill 10 Mojave Wasteland Cazadores with Tin grenades, long-fuse dynamite, and time bombs.

*** Man-Machine Interface: Kill 10 Mojave Wasteland Mr. Gutsies and Sentry Bots with Brass Knuckles, Spiked Knuckles, Tire Irons, and Lead Pipes.

Complete Three of These To Earn The Achievement.

These Challenges Aren't A Part of Any Challenge Tier, But They Still Have xp.
Extra Challenges:

Master of the Arsenal: Caused 10,000 damage with Gun Runners' Arsenal Weapons
(Any GRA-Variant Weapon will work for this.)

Curios and Relics: Caused 10,000 damage with unique Mojave Wasteland weapons
(Unique weapons like That Gun [found in the closet inside dino the t-rex], Maria, and other weapons that have no duplicates. Must be from the mojave.)

Note: There are other achievements for causing 10k damage with other types of weapons (such as melee and unarmed) but these are not GRA challenges so i did not include them in this guide.

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