Story & Timeline
21 entries in the Mass Effect compendium.
Story & Timeline — Era Chart
First Contact WarA brief clash that turned human explorers into galactic citizens.Citadel Council FormationThree species, one ancient station, holding together the fragile peace of a thousand worldSaren Arterius BetrayalThe galaxy's greatest hero became its first victim, paving the way for the end of all lifeThe Suicide MissionA desperate final stand where every choice determines who survives the void.Eden Prime InvasionA beacon awakens, a colony burns, and the galaxy's greatest threat rises from the ashes.Reaper Invasion BeginsThe harvest has begun; the Citadel is the trap, and the galaxy is dependent on the relays Geth-Quarian Peace TreatyA fragile bridge built over three centuries of blood, silence, and fear.Collector Base AssaultShepard leads a suicide mission into the unknown to stop an ancient harvest before it begiBattle of EarthThe galaxy's final stand on humanity's homeworld against the synthetic tide.Cerberus InsurrectionFrom shadow allies to open enemies: The human supremacist force that waged war on its own Shepard Resurrection ProjectIn Arcadia, Missouri, the dead return unaged, upending lives and defying orders.Arrival Mission IncidentThe provided source material describes the overall Mass Effect franchise, its development Genophage Cure DecisionA choice between species survival and galactic peace defines the Krogan destiny.Suicide Mission FinaleA desperate gamble through uncharted space where every choice determines who returns aliveEarth Invasion BeginsThe galaxy's oldest nightmares woke up, and humanity was the first to hear them scream.Rannoch Peace TreatyThree centuries of bloodshed end not with a weapon, but with a handshake.The CitadelThe beating heart of galactic politics and the starting point for humanity's struggle.HorizonA silent colony screams for help as ancient machines return to the hunt.The NormandyThe legendary stealth frigate that carried humanity's hope through the Reaper War.Priority: EarthHumanity's last stand begins on the streets of London.NoveriaA frozen frontier where scientific ambition meets the shadow of the Reapers.
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