Mass Effect 3: Rebellion Pack(2012)

The Mass Effect 3: Rebellion Pack was a free multiplayer expansion for Mass Effect 3. It added new maps (Firebase Jade and Firebase Goddess), three new weapons, and six new playable multiplayer characters from species affected by the Reaper invasion, such as Quarians and Vorcha. The pack also introduced a new in-mission objective and a new gear slot for persistent bonuses, enhancing the cooperative multiplayer experience.