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There are 41 achievements in the Windows version of Halo 2 worth a total of 1000 .

Picture	Name	Description
	Cairo Station	Complete Cairo Station at Normal, Heroic, or Legendary.	30
	Outskirts	Complete Outskirts at Normal, Heroic, or Legendary.	30
	Metropolis	Complete Metropolis at Normal, Heroic, or Legendary.	30
	The Arbiter	Complete The Arbiter at Normal, Heroic, or Legendary.	30
	Oracle	Complete The Oracle at Normal, Heroic, or Legendary.	30
	Delta Halo	Complete Delta Halo at Normal, Heroic, or Legendary.	30
	Regret	Complete Regret at Normal, Heroic, or Legendary.	30
	Sacred Icon	Complete Sacred Icon at Normal, Heroic, or Legendary.	30
	Quarantine Zone	Complete Quarantine Zone at Normal, Heroic, or Legendary.	30
	Gravemind	Complete Gravemind at Normal, Heroic, or Legendary.	30
	Uprising	Complete Uprising at Normal, Heroic, or Legendary.	30
	High Charity	Complete High Charity at Normal, Heroic, or Legendary.	30
	The Great Journey	Complete The Great Journey at Normal, Heroic, or Legendary.	30
	Warrior	Complete the game on Normal difficulty.	100
	Hero	Complete the game on Heroic difficulty.	50
	Legend	Complete the game on Legendary difficulty.	50
	King of the Scarab	Acquire the Scarab gun on the Metropolis level, any difficulty.	20
	Silent but Deadly	Kill 7 opponents from behind in a row without being spotted, any level, any difficulty.	20
	Demon	Complete any campaign level without dying once on Normal, Heroic, or Legendary.	25
	Go Ape Shiv	Kill an enraged, berserk Brute by melee, any level, any difficulty.	20
	Stick It	Stick an opponent with a plasma grenade and blow them up.	5
	Counterpoint	Kill the sword carrier.	5
	Carjacking	Steal an occupied vehicle from an opponent and take it over.	5
	Violent Cartographer	Play every available default map and stay in each game until it’s over.	25
	Rainman	Play every available game variant, with at least 3 other players, to the end of each game.	25
	Double Kill	Kill 2 opponents within 4 seconds.	20
	Triple Kill	Kill 3 opponents within 4 seconds.	20
	Killtacular	Kill 4 opponents within 4 seconds.	20
	Killing Spree	Kill 5 opponents in a row in the same game, without dying.	20
	Running Riot	Kill 10 opponents in a row in the same game, without dying.	20
	Sniper Kill	Kill an opponent with the sniper rifle or the beam rifle.	10
	Roadkill	Run over, hit and kill an opponent with a vehicle.	10
	Bonecracker	Hit and kill an opponent with a melee attack.	10
	Assassin	Melee an opponent from behind.	10
	Skewer Stopper	Kill the sword carrier after they kill 5 or more times in a row with the sword.	20
	Vigilante	Stop a Killing Spree of another player.	10
	Air Traffic Control	Blow up the Banshee in flight while manned, with grenades or the rocket launcher.	20
	Decorated Soldier	Get awarded at least 8 different medals in one non-team game.	10
	Ninja	In a non-team game, kill 5 people by melee, from behind.	20
	Flaming Ninja	Kill an opponent that has the Ninja achievement.	20
	Hired Gun	Kill an opponent who has the Legend achievement.	20