Mass Effect Trilogy - Almost all squad members die
=Mass Effect 1=
Kaiden dies on Virmire. Alternatively Ashley can die in his stead.
=Mass Effect 2=
Jack dies without the Normandy’s improved armor.
Kasumi dies without the Normandy’s shield improvement.
Thane dies without the Normandy’s cannon upgrade.
Jacob dies as the chosen vent specialist.
Grunt dies as the accompanying squad member on the biotic walk with a specialist who was not loyal.
Garrus dies as the leader of the second fireteam while not being loyal.
Legion dies while escorting the remaining crew and not being loyal.
Samara and Tali die as the squad mates during the final fight while not being loyal.
Zaeed dies during his loyalty mission after the suicide mission.
=Mass Effect 3=
Mordin dies when Shepard double crosses him to sabotage the genophage cure.
Ashley dies during the Citadel attack when Shepard shoots her. Kaiden would alternatively take her place here.
Legion’s replacement dies after uploading the Reaper code.
Wrex dies after being shot by Shepard on the Citadel when he confronts h