You looked at the achievement list.
You completed the tutorial.
Through the Ages
You have finished your first game.
Path to Glory
You have won your first game.
All the Numbers
You have won games with all numbers of players.
All the Options
You have won games with both digital and board game rules.
You played a pass & play game. (The other achievements cannot be completed in this mode.)
You have completed your first wonder.
You have changed your government peacefully.
Historical Turning Point
You have changed your government by revolution.
You have built an Age III urban building.
Age of Discoveries
You have colonized a territory.
You have played a successful aggression.
You have won a war you declared.
You have failed to defend against an aggression.
You have lost a war.
A player accepted a pact you offered.
You canceled a pact with a player by attacking.
You have scored the most points when evaluating an Impact event.
Oh, My Wise Advisors!
You got five warnings on one attempt to end a turn.
Lose a Battle, Win the Game
You were raided, you lost a war, but you won anyway.
You passed everyone during the end-of-game events evaluation.
You won a game where you had the Kremlin, the Transcontinental Railroad, and Communism.
You won a game where you had Democracy, Fast Food Chains, and an Age III arena.
You won a game where you used Joan of Arc, Robespierre ... and an Engineering Genius named Eiffel.
You won a game where you played a successful Raid with Genghis Khan and the Great Wall.
You won a game where you had Cartography, Michelangelo, and St. Peter's Basilica.
Great Great Britain
You won a game where you had Shakespeare, Churchill, and the most colonies.
The Name is Alexander
You won a game where you had Alexander, the Library of Alexandria ... and three musketeers.
Impact of India
A beautiful monument, a famous leader ... and an impressive population! Oh... and victory.
20th Century Stigmas
You won a game where you played two wars and seeded the Cold War event.
Accomplish all other Historical Triplets achievements.
Meet and Greet
You have started an online game.
Thank and Leave
You have finished an online game.
Rule and Conquer
You have won an online game.
You reached rank 2 online.
You reached rank 5 online.
You reached rank 10 online.
You reached rank 15 online.
You reached rank 20 online.
You reached rank 25 online.
You reached rank 30 online.
Web of Civilizations
You have finished at least 50 games online.
You have defeated at least 20 different players online.
You had five or more online games going at the same time.
You have finished a one-day online game.
Online Hat Trick
You won 3 online games in a row against human opponents.
Two-Headed Hat Trick
You won 6 online games in a row against human opponents.
You won a white or green difficulty challenge.
You won a yellow or orange difficulty challenge.
You won a red or purple difficulty challenge.
You won all white and green difficulty challenges.
You won all yellow and orange difficulty challenges.
You won all red and purple difficulty challenges.
You scored a domination of 111 or more in a challenge.
You scored a domination of 222 or more in a challenge.
You have scored a domination of 2222 or more in challenges.
You have scored a domination of 3333 or more in challenges.
You scored at least 300 culture in a game. (Feats cannot be achieved in most challenges.)
Not Even Close
You won a game by at least 150 culture points.
You have completed each wonder along your paths to victory.
You have been led to victory by each leader.
You have won a war with each tactic.
Wonders of the World
You have built 7 wonders in an online or custom game.
Hooray for Hollywood!
You scored at least 50 points for Hollywood.
You scored at least 45 points for the Internet.
Great Space Journey
You scored at least 40 points for Space Flight.
Supersized Fast Food
You scored at least 35 points for Fast Food Chains.
Giant of Art
You won a game with a culture rating of at least 30.
Giant of Science
You won a game with a science rating of at least 30.
Giant of Economy
You won a game with resources and food production of at least 50.
Establish the same government twice in a single game. Still win.
You won a war by 50 or more.
Swords versus Machine guns
You defeated modern units using only medieval and ancient units.
You have won a game while having a zero culture rating.
Accomplish all other Feats.
You have completed 100 wonders.
You have developed 500 technologies.
Make Love, not War
You have created 700 new workers.
You have played 333 action cards.
Pulling the Strings
You have prepared 300 events.
You have colonized 80 territories.
You have concluded 40 pacts.
You have led 60 successful aggressions.
You won wars by a total of 666 strength.
You have accomplished all Devotion achievements.