Complete "If It Is Broken, Don't Fix" relic challenge.
Complete "Omen" relic challenge.
Collect the 2nd Memento.
Complete "Splinter Cat" relic challenge.
Complete "Well Planned!" relic challenge.
Collect the 3rd Memento.
Obtained all Timelie achievements.
Complete "Operation Skuld" relic challenge.
Complete "I Come in Peace" relic challenge.
Complete "A Quiet Place" relic challenge.
Complete "This Is Cat. Can You Hear Me?" relic challenge.
Complete "Urnique" relic challenge.
Complete "I'd Like To Have That In Writing" relic challenge.
Complete "Retcon" relic challenge.
Complete "It'd Be Too Damned Easy" relic challenge.
Complete "3-2-1-GO-1-6-7-8" relic challenge.
Complete "Time Waits For No One" relic challenge.
Collect the 1st Memento.
Watch the secret ending.
Complete "The Most of Us" relic challenge.
Collect the 4th Memento.
Complete the story of Timelie.