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