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