Awesome, what about checking out that 8 minutes long tutorial now ?
Follow the tutorial
Win the game in singleplayer
Win the game in multiplayer
Win a singleplayer game before erosion begins
Attack a territory
Attack 3 territories simultaneously
Attack 10 territories simultaneously
Attack 20 territories simultaneously
Finish a game with at least 25 science points
Finish a game with at least 50 science points
Finish a game with at least 100 science points
Finish a game with at least 200 science points
Own an army with 2 units
Own an army with 6 units
Own an army with 12 units
Own an army with 25 units
Create a total 10 units
Create a total 100 units
Create a total 1000 units
Create a total 10000 units
Colonize 35 tiles in a single game
Colonize 100 tiles in a single game
Colonize 300 tiles in a single game
Colonize 900 tiles in a single game
Win a game with at least 4 technologies unlocked
Win a game with at least 8 technologies unlocked
Win a game with at least 16 technologies unlocked
Win a game with at least 23 technologies unlocked
Win 3 solo games
Win 9 solo games
Win 30 solo games
Win 100 solo games
Win 3 multiplayer games
Win 9 multiplayer games
Win 30 multiplayer games
Win 100 multiplayer games
Reach a food upkeep of 15
Reach a food upkeep of 50
Reach a food upkeep of 100
Reach a food upkeep of 300
Win the game with 10 food upkeep
Win the game with 25 food upkeep
Win the game with 50 food upkeep
Win the game with 200 food upkeep