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