The Artificial Intelligence or AI, is the computer orders on how the enemy and ally computer player and some units react in the environments of a game.
Age of Empires Edit
The AI in Age of Empires and The Rise of Rome has several notable traits, including:
- AI will rarely, if ever, build walls.
- AI will often send their villagers to scout the map early in the game, even if doing so puts their villagers in jeopardy.
- AI will continue to build villagers/fishing vessels until they have about 30 or so.
- AI will send their villagers to repair damaged buildings/towers/walls, even if it would be foolish to do so .
- Later in a game AI will not build storage pits/granaries next to resource sites, but will gather resources from miles away.
- AI do not hunt elephants.
- AI will generally train a few specific types of units, and rarely have a diverse army.
- Once AI military units are attacking a target (such as a building), they will never stop attacking it for any reason unless directly threatened.
- AI will sometimes use military units that are outdated, for instance, they may use clubmen in the Iron Age
- AI will build their army based on their civilization's strengths, for example, an AI who is the Choson civilization may train only swordsmen.
- In the Rise of Rome expansion, the AI seem to like training slingers regardless of their civilization and age, perhaps because of their ability to inflict full damage against buildings and towers.
- AI will never attack with their villagers unless one of the following circumstances occurs:
- They are attacked early in the game, such as in the Stone or early Tool Age.
- Their civilization is being crushed and defeat seems imminent.
- If an enemy starts building a tower in AI's base, sometimes AI will send everything including villagers to attack the tower.
In these circumstances the AI will send all of their villagers to attack the threat.
Age of Empires II Edit
The Age of Kings Edit
The AI in Age of Empires II is much more advanced than the AI in the previous installment. The Computer Player Strategy Builder Guide lists what each difficulty of the AI will do and what not:
|Advances through the Ages||After any human player that has advanced to that age||Slowly as a novice player, or as Easiest does||As an experienced player||As fast as possible||As fast as possible; computer players cooperate to slingshot through the ages|
|Builds a Castle||Rarely||Seldom||Yes||Yes||Yes|
|Builds a Wonder||Never||Seldom||If possible||If possible||Seldom|
|Expansion and resource gathering||Slowly selects resources; abandons contested resources||Slowly||Fast||Aggressively defends resources||Aggressively defends resources, destroys enemy resources|
|Monks used to convert buildings||Never||Rarely||Seldom||Yes||Yes|
|Monks used to convert units||Rarely with very few Monks||Seldom or slowly||Yes||Yes||Yes|
|Walls and Towers||Never||Sometimes defensive towers||Yes||Yes||Yes, may build offensive towers|
|Starting diplomatic stance||Neutral||Neutral||Mix of Neutral and Enemy||Enemy||Enemy|
|Will ally with human players||Yes (unless game would end)||Yes (unless game would end)||With one human only (unless game would end)||Never||Never|
|Will ally with humans||Depends on personality||Depends on personality||Sometimes||Never||Never|
|Will ally with other computer AIs||No||Yes||Yes||Preferred||Preferred|
|Cooperates against human player||No||Sometimes||Sometimes||Yes; coordinated attacks, optimized building strategies etc.||Yes|
|Given additional resources at start?||No||No||No||No||Yes|
Note that the hardest AI does not only get resources at the start, but upon reaching any Age, including the Dark Age. They get 500 of each resource every time for a total of 2,000 each when they reach the Imperial Age.
The Conquerors Edit
In The Conquerors, the AI has been improved slightly, being more aggressive.
The Forgotten Edit
In The Forgotten, the AI has made a huge step forward, being a challenging opponent in higher grades of difficulty. Some aspects of the Computer Player Strategy Builder Guide do not apply anymore. The resource bonus, for instance, was removed. Also, the AI uses the trade heavily now, thus generating more gold. But the aggressiveness they play with is the biggest difference, though. The AI either rushes or booms with heavy attacks in the early Feudal Age or late Castle Age, respectively. If an army is outnumbered, sometimes it even retreats. But still, when being besieged and mostly destroyed, they do not rebuild their base.
The difficulty of the campaigns is much higher than it was in the previous versions.
The African Kingdoms Edit
- Regardless of difficulty, the AI often dodges projectiles of ranged units. Also, it uses hit-and-run tactics with ranged units itself, making it hard especially for infantry using players.
- Interestingly, the AI will sometimes cancel the construction of a building if it is only built by a single Villager and that Villager is attacked.
Age of Empires III Edit
The AI also have their own preferences, copying defenses in each game. The group below presumes that the player is not playing on a post-industrial or imperial gameplay as the towers will already be on Fortified level.
- Queen Elizabeth, Napoleon, and Suleiman the Magnificent always upgrade Outposts to Frontier level.
- Maurice of Nassau always upgrades Outposts to the Fortified level.
- Queen Isabella does not make Outposts but does use the Outpost Wagon card, but replaces it as her level increases.
- Ivan the Terrible builds Blockhouses due to serving as both a defensive and infantry production building. He does not upgrade them at all.
- Prince Henry the Navigator and Frederick the Great never build Outposts.
|Advances through the ages||Very slow advancement rate||Slightly faster advancement rate||As an experienced player||As fast as possible||As fast as possible; computer players cooperate to slingshot through the ages|
|Army size||Very small||Slightly larger||Moderate size||Larger||Extremely large|
|Attack rate||Extremely rare||Slightly faster||Normal rate||As fast as possible||As fast as possible|