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