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1. Mass Warfare: First Contact War by Dinocon05

   Fandoms: Mass Effect - All Media Types, Mass Effect Trilogy, Call of Duty (Video Games), The Expanse (TV)  

   • Not Rated
   • Graphic Depictions Of Violence, Major Character Death
   • F/F, F/M, Other
   • Work in Progress

   20 Dec 2025

   Tags

   • Graphic Depictions Of Violence
   • Major Character Death
   • Hannah Shepard/Shepard's Father
   • Former Aethyta/Benezia
   • Background Castis Vakarian/Garrus Vakarian's Mother
   • Background Rael'Zorah/Tali's Mom
   • Hannah Shepard
   • Shepard's Father (Mass Effect)
   • Steven Hackett
   • David Anderson (Mass Effect)
   • Rael'Zorah (Mass Effect)
   • Han'Gerrel vas Neema
   • General Williams (Mass Effect)
   • Jon Grissom
   • Aethyta (Mass Effect)
   • Benezia (Mass Effect)
   • Liara T'Soni
   • Female Shepard (Mass Effect)
   • Shala'Raan vas Tonbay
   • Daro'Xen vas Moreh
   • Mordin Solus
   • Urdnot Wrex
   • Saren Arterius
   • Desolas Arterius
   • Tali's Mother
   • Tevos (Mass Effect)
   • Sparatus (Mass Effect)
   • Turian Councilor
   • Salarian Councilor (Mass Effect)
   • Castis Vakarian
   • Lidanya (Mass Effect)
   • Irissa (Mass Effect)
   • Garrus Vakarian's Mother
   • Aria T'Loak
   • Ka'hairal Balak
   • Original AI Character(s)
   • Legion (Mass Effect)
   • Orinia (Mass Effect)
   • Adrien Victus
   • Male Shepard (Mass Effect)
   • Henry Lawson (Mass Effect)
   • Miranda Lawson
   • Illusive Man | Jack Harper
   • EDI (Mass Effect)
   • Karin Chakwas
   • Vyrnnus (Mass Effect)
   • Anita Goyle
   • Council of Matriarchs
   • Turian Primarch
   • Samara
   • Zaal'Koris vas Qwib-Qwib
   • Systems Alliance Government
   • Original Mass Effect Character(s)
   • Nora Salter
   • Sean Brooks
   • Erwin Kloos
   • Evelynn "Boats' Sotomora
   • Why Tali's mother not a tag
   • Geth Human Alliance
   • Humanity Brings Quarians Back to Rannoch After knocking stubborn Quarian Heads Around
   • Geth Quarian Peace Treaty
   • First Contact War
   • Krogans Find Humans Hilarious
   • Batarians and Humans Really don't like each other
   • Omega is a pirate republic and the only stable government in the terminus because Aria is a badass
   • Trying my best to do political shit

   Summary

   What if Humanity in Mass Effect was more advanced? What if they had gone through two interplanetary wars before finding eezo technology? Mass Effect/ Call of Duty Infinite Warfare Crossover.

   Series

   • Part 2 of Mass Warfare: From the First Contact War to The Reaper War

   Language:

   English

   Words:

   4,466

   Chapters:

   1/?

   Kudos:

   7

   Bookmarks:

   8

   Hits:

   107