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