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0 When people discuss AI, automatically they think about enemies. 1

But that's not the only way the players experience AI systems in modern games. 2

What are the most common types of AIs? 3

Let's find out 4

together. 5

AIs 6

as enemies. 7

This is the most found implementation in games. 8

Usually everything that comes to you and shoots to kill is most likely an enemy. 9

Enemies come in different flavors 10

to spice up the gameplay. 11

Aggressive, defensive, tactical. 12

And much more. 13

AI as companions. 14

Is there a non-player character following you? Then, 15

most likely, you got yourself a companion, be it either for a specific mission or a squad based game. 16

Companions play an important role. Games like Mass Effect or Gears of War 17

have a lot of mechanics focused on companions. 18

Do it right and your game will benefit a lot. 19

Have companions going through walls, dying randomly and failing the mission and your game's player 20

will get the bad experience. AI as your own units. 21

Are you issuing orders to a squad of units in real time strategy game? 22

Then most likely you are ordering smart AI Agents a tactical decision and they handle the movement, patrolling, 23

attacking, or any other action they have. 24

AI can be your own character, in fact. 25

Are you playing a top down role playing game where your character moves around in a dungeon? 26

Most likely, the AI is controlled by a pathfinder that decides where to move exactly based on your 27

specific required move location. 28

AI as helpers or invisible helpers. 29

What if I told you that a game that has zero non-player characters and in fact any other moving parts 30

has AI? 31

It's true. 32

I'm referring to The Witness from Jonathan Blow, where the AI was used to debug the map to find out 33

the walkable areas. 34

AI can take many forms. 35

The limit being the imagination of the developer. 36

My hope is that by getting all this information to you and that by providing this course, you'll be 37

on your way to make great AI systems that will improve your game. 38

Next, let's look at how AI can handle decisions.