Here is the full list of all 24 EPOCH achievements.
Complete Recycling Depot
Complete Shopping Galleria
Complete Residential Arcology
Complete the Business District
Complete the Military Checkpoint
Complete the Cross-City Freeway
Complete the Boyle-Mullins Tunnel
Complete the Glorious Arms Apartments
Complete the Humanity Concourse
Complete the Cryogenics Institute
Complete the campaign on Easy Difficulty
Complete the campaign on Medium Difficulty
Complete the campaign on Hard Difficulty
Complete the campaign on ultra difficulty.
Purchase a Tier IV Weapon in the Scrapyard
Purchase a Tier IV Armor in the Scrapyard
Unlock all of the Logs in Intercepts
Destroy 1000 enemies in combat
Destroy 4000 enemies in combat
Destroy 10000 enemies in combat
Scroll needlessly through 100 items in the Scrapyard
Hesitate about which location to select for 5 minutes
Destroy all Destructibles in one location
Destroy all Desctructibles in all locations in a single Campaign playthrough