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