Here is the full list of all 38 Fear Equation achievements.
Send passengers to kill a Wanderer and have at least one of your party return alive
Allow a Wanderer to use their power to block nightmares
Reach the final destination with a custom Engineer at Very Hard difficulty
Launch a Hail Mary mission
Listen to showtunes on the radio
Successfully defeat the blockade in the Blockade scenario
Win a battle against the military with your weapons optimally configured during the Blockade scenario
Win 5 battles in a single game against the military during the Blockade scenario
Create a custom Engineer with at least one modifier
Create a custom passenger
Reach the final destination with at least one passenger
Reach the final destination with more than half the train full of passengers
Make a passenger disappear from a carriage by cutting the power
Allow a Wanderer to use their power to teleport the train
Survive a military attack at full throttle
Agree with one party in a dispute
Complete all upgrades in a single category
Construct at least one defense from materials, electronics, chemicals and machinery
Bring a Wanderer onto the train
Encounter your first purge
Retrieve more than 20 items on a scavenging mission
Perform at least one upgrade
Complete a scavenging mission
Complete a scavenging mission without losing anyone
Rescue at least one survivor from a scavenging mission
Complete a mission on battery power
Complete the tutorial
Construct a single defense from scrap
Launch a beacon
Lose at least 50 passengers from power outages
Encounter your first revolt
Lose the game when the passengers revolt
Lose the game after the military destroys the train
Experience a mission computer malfunction
You made it to salvation... but at what cost?
Find all 5 pieces of intelligence in a single game during the Blockade scenario
Lose during the Blockade scenario by running out of time
Allow a Wanderer to use their power to transmute defences into food and medicine