Full list of all 44 Age of Empires: Definitive Edition achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Complete the First Punic War campaign
Complete the Enemies of Rome campaign
Defeated 20 heroes
Killed a Medusa
Complete the Imperium Romana campaign
Complete the Ave Caesar campaign
Complete the Rise of Rome campaign
Train 256 Macedonian Hoplites
Build 789 Shang wall segments
Create 1000 Choson Legions
Build 50 Babylonian Towers
Build 500 heavy catapults
Train 500 Horse Archers
Hunt 250 animals
Train 400 Axemen
Build 500 houses
Convert 1000 units
Train 100 Minoan Composite Bowman
Destroy 200 temples
Complete the Reign of the Hittites campaign
Collected 50,000 stone
Complete the Yamato Empire of the Rising Sun campaign
Train 400 Assyrian Chariot Archers
Won a game by holding ruins
Train 21 Centurions
Convert an enemy Priest
Won a ranked Elo game.
Complete the Voices of Babylon campaign
Train 100 Egyptian Scythe Chariots
Convert 20 units with Egyptian Priests
Collected 50,000 gold
Advanced first to every age
Explore all areas of a single map
Won a game by holding all the artifacts
Won a game by building and holding a wonder
Win a random map without training any archery units
Win a random map game without training any cavalry
Complete the Glory of Greece campaign
Researched every technology available in a single game
Collected 50,000 food
Defeat a Lion (Alpha)
Defeat 1000 enemy units
Collected 50,000 wood
Complete the Ascent of Egypt learning campaign