请教大大，质量效应3到现在一共出了多少个DLC了

15个DLC，Genesis 2，

Citadel

Reckoning

Omega

Alternate Appearance Pack 1

Groundside Resistance Pack

Retaliation

Leviathan

Firefight Pack

Earth

Extended Cut

Rebellion

Resurgence

M90 Indra Sniper Rifle

和From Ashes。