Full list of all 38 Rise of Nations: Extended Edition achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Train 1,000,000 cavalry units
Train 1,000,000 infantry units
Train 25,000 naval units
Lose 100,000 units
Train 50,000 artillery units
Train 10,000 air units
Kill 50,000 units
Build 10,000 buildings
Destroy 10,000 buildings
Win 100 games
Complete the World Map Campaign
Complete Espionage as the USA
Win Peaceful Tech Race
Finish a game in Armageddon
Complete the Cold War Campaign
Complete Espionage as the Soviets
Win 50 games
Complete the New World Campaign
Knockout in Sudden Death
Get a high score on any skill
Complete the Napoleon Campaign
Gain control of 250 rare resources
Win Wonder
Win 25 games
Collect 1,000,000 resources
Complete the Alexander the Great Campaign
Win 10 games
Win Assassin
Research 4 finals in game
Collect 5,000 resources from ruins
Win Musical Chairs
Beat Toughest
Win Territory
Beat Tougher
Send resources to an ally
Win on a Big Huge Map
Finish a multiplayer game
Capture a city