Questions tagged [game-ai]

For questions related to game design involving AI.

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1answer
85 views

Game AI design for a multiplayer random board game?

I'm writing an AI for a board game, and previously I would just create a value maximizing state machine and tune the factors one at a time. However, the issues with this is getting apparent. My last ...
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1answer
62 views

Genetic programming with Objective-C

I have a complex wargame already developed in a aging Objective-C and I would like to improve the AI I have built the logic for self-play, fitness evaluation and evolution The hard-time is the ...
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0answers
22 views

Game-based or nasty chatbot for Facebook Messenger or Skype

Are there chatbots for Facebook Messenger or Skype available which are game-based, i.e. with which it is possible to play a short funny game? It should be possible to play the game for at least 10 ...
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1answer
88 views

Is AI research culture predisposed to adversarialism while even the mathematics is more friendly? [closed]

Language is how we communicate to one other in the lab, at home, and in educational settings. Word selection matters. Sometimes we don't select well. If we are writers, we may edit a word later or ...
2
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1answer
47 views

Could a neural network be capable to diferentiate between two boards of a game?

Let's propose, that I can define the state of a board in a board game, with 234 neurons. In theory, could I be able to train a neural network, with 468 inputs (two game boards), and 1 output, to tell ...
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0answers
42 views

What to study for this simple poker game?

I'm a programmer with a background in mathematics, but I have no experience whatsoever with artificial intelligence/neural networks. I'd like to study it as a hobby, and my goal for now is to solve ...
1
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1answer
316 views

Q-Learning tic tac toe - bad player

I tried to build an Q-learning agent which you can play tic tac toe against after training. Unfortunately the agent performs pretty poorly. He tries to win but does not try to make me 'not winning' ...
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0answers
11 views

Are fuzzy commands resulting into a general game playing architecture?

During reading some papers about fuzzy systems, I've recognized a subtopic called “fuzzy commands”. The idea is to provide a sentence in natural language, like “move ball to right”, and the fuzzy ...
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1answer
111 views

How do I update the Q values of a Deep Q Network when exploring?

I am trying to implement a Deep Q Network to play Asteroids. Unfortunately, I am not sure how to calculate the Q value exactly, if I am exploring. For example, the agent is exploring for 1 second (...
2
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1answer
86 views

Game AI for “Lines” : help to get started

I am trying to find a good approach to create a computer player for the game "Lines" from gamious on Android. The concept of the game is pretty straightforward : Lines is an abstract ‘zen’ game ...
3
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1answer
145 views

Why do neural nets and machine learning tend to work well with MCTS, but not with regular Minimax game-playing AI?

I've often heard MCTS grouped together with neural nets and machine learning. From what I gather, MCTS uses a refined intuition (from maching learning) to evaluate positions. This allows it to better ...
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2answers
285 views

2-dimension input layer?

I am wondering is I can use a 2-dimensions features matrix rather than a feature vector as inout layer of a neural network For a WWII naval wargame, I have sorted out the features of interest to ...
5
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1answer
84 views

What is the appropriate approach to playing a game with incomplete state information?

I have a steady hex-map and turn-based war game featuring WWII carrier battles. I would like to improve the fixed policy for the AI using reinforcement learning. I have some beginner's questions, ...
2
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1answer
145 views

Large and Multiple-actions space

I have a steady hex-map and turn-based wargame featuring WWII carrier battles On a given turn, a player may choose different and independent actions 
(moving one, two naval unit, assigning a mission ...
1
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1answer
212 views

Wargame — Software and hardware requirement for reinforcement learning

I have a steady hex-map and turn-based wargame featuring WWII carrier battles I would like to improve the fixed policy for the AI using reinforcement learning and have a bunch of noob questions which ...
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2answers
109 views

Can Alpha–Beta be used on symmetric zero sum games?

This question was asked in an AI exam. How would you answer such question?
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1answer
84 views

Predicting fate of different actors in upcoming Avengers 4

How would one go about predicting which characters (actors) are going to die in the next Avengers movie. To elaborate a bit, given all leaked scripts (fake or not), interviews of different actors and ...
4
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1answer
221 views

Any interesting ways to combine Monte Carlo tree search with the minimax algorithm?

I've been working on a game-playing engine for about half a year now, and it uses the well known algorithms. These include minimax with alpha-beta pruning, iterative deepening, transposition tables, ...
5
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1answer
85 views

How does Hearthstone AI deal with random events

I want to learn a lot about the AI of CCG, such as Hearthstone. And now I have known one of the main algorithms that used in this kind of games, MCTS. It analyses the most promising moves, and expands ...
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1answer
93 views

which is best approach to choose for game playing problem? [closed]

Which is best approach to choose for game playing problem?
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2answers
72 views

Genetic programming with “karel the robot”?

Karel the robot is an education software comparable to turtle graphics to teach programming for beginners. It's a virtual stackbased interpreter to run a domain specific language for moving a robot in ...
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0answers
217 views

Implementing AI/ML for the card game “Cheat”

Background info In Python, I've implemented a rudimentary engine to play "Cheat", supporting both bots and a human or only bots. When only bots are playing, the game is simulated. When placing cards,...
4
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0answers
82 views

Old video games intelligence

Around 2000, existed popular fights videogames. There, if you made the same kick movement for several running times, the CPU normally defended and caught your strategy. This is the case in Tekken 3 ie....
4
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1answer
64 views

How do we find the length (depth) of the game tic-tac-toe in adversarial search?

When we perform the tic-tac-toe game using adversarial search I know how make a tree. Is there a way to find the depth of the tree; which level is the last level?
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0answers
204 views

How to encode Azul game state as NN input

Question to NN practicioners. I'd like to encode Azul board game state as an input to NN, let's focus on 2-player variant for a while. There are 5 round "Factories" on the table (7 on picture, ignore ...
3
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2answers
161 views

MinMax and enormous branches

I have to build a KI for a made-up game similar to chess. As I did research for a proper solution, I came upon the MinMax algorithm, but I'm not sure it will work with the given game dynamics. The ...
11
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2answers
874 views

Is AlphaZero an example of an AGI?

From DeepMind's research paper on arxiv.org: In this paper, we apply a similar but fully generic algorithm, which we call AlphaZero, to the games of chess and shogi as well as Go, without any ...
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2answers
1k views

How to calculate fitness function of 8-queens problem?

In evolutionary computation and in particular in the context of genetic algorithms, there is a stochastic operation called "fitness function". The better a state, the greater the value of the fitness ...
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1answer
343 views

DQN Breakout adding an extra negative reward to help training?

I'm trying to train a DQN, so I'm using OpenAI gym and Breakout (Breakout-v0). I have altered the reward supplied by the environment: If the episode is not completed fully, the agent gets a -10 ...
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1answer
183 views

Is it possible to use a feed-forward neural network to predict the actions in reinforcement learning?

I have done a lot of research on the internet about Reinforcement Learning and I found encountered methods of Reinforcement Learning: Q-Learning and Deep Q-Learning. And I have developed a vague idea ...
3
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1answer
116 views

How to model a plumber dispatcher with Artificial Intelligence?

The domain of emergency call for clogged pipelines has to do with taking a call and managing the reaction of plumber departments. It is mostly a group oriented communication situation between the ...
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1answer
76 views

How to use Genetic Algorithm for varying lengths of solutions

Until now, I always thought that Genetic Algorithm can be used for problems of which the solution space can be encoded (modeled) as a chromosome of a specific length. However, some people claim that ...
3
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1answer
870 views

How do I apply reinforcement learning to a game with infinitely many actions?

I am trying to figure out how to use a reinforcement learning algorithm, if possible, as a "black box" to play a game. In this game, a player has to avoid flying birds. If he wants to move, he has to ...
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1answer
70 views

How do I know how changes in the weights are changing the reward in Reinforcement Learning

I already know the basics of the basic of Machine Learning. E.g.: Backpropagation, Convolution, etc. First of let me explain Reinforcement learning to make sure I grasped the concept correctly. In ...
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0answers
84 views

Checkers AI game engines

I have coded an AI checkers game but would like to see how good it is. Some people have informed me to use the Chinook AI opensource code. But I am having trouble trying to integrate that software ...
4
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1answer
170 views

Transposition table is only used for roughly 17% of the nodes - is this expected?

I'm making a Connect Four game using the typical minimax + alpha-beta pruning algorithms. I just implemented a Transposition Table, but my tests tell me the TT only helps 17% of the time. By this I ...
2
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1answer
37 views

Is it meaningful to give more weight to the result of monte carlo search with less turn win?

I'm programming on Connect6 with MCTS. Monte Carlo Tree Search is based on random moves. It counts up the number of wins in certain moves. (Whether it wins in 3 turns or 30 turns) Is the move with ...
0
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1answer
41 views

What's the difference between poker with public cards and without them?

Example: texas holdem poker vs texas holdem poker with the same rounds, just with no public cards dealt. Would algorithms like CFR approximate Nash-equilibrium more easily? Could AI that does not ...
1
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1answer
107 views

Using a DQN with a variable amount of Valid Moves per turn for a Board Game

I have created a game on an 8x8 grid and there are 4 pieces which can move essentially like checkers pieces (Forward left or Forward right only). I have implemented a DQN in order to pull this off. ...
3
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2answers
445 views

Creating a self learning Mario Kart game AI?

I will be undertaking a project over the next year to create a self learning AI to play a racing game, currently the game will be Mario Kart 64. I have a few questions which will hopefully help me ...
0
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1answer
288 views

Connect 4 minimax does not make the best move

I'm trying to implement an algorithm that would choose the optimal next move for the game of Connect 4. As I just want to make sure that the basic minimax works correctly, I am actually testing it ...
1
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1answer
450 views

Does a solution for Wumpus World with neural networks exist?

The Wumpus World proposed in book of Stuart Russel and Peter Norvig, is a game which happens on a 4x4 board and the objective is to grab the gold and avoiding the threats that can kill you. The rules ...
2
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0answers
78 views

Mapping Actions to the Output Layer in Keras Model for a Board Game

I have created a game based on this game here. I am attempting to use Deep Q Learning to do this, and this is my first foray into Neural networks (please be gentle!!) I am trying to create a NN that ...
2
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3answers
379 views

Can genetic algorithms be used to learn to play multiple games of the same type?

Is it possible for a genetic algorithm + Neural Network that is used to learn to play one game such as a platform game able to be applied to another different game of the same genre. So for example, ...
0
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1answer
79 views

Should Q values be changing within an epoch/episode or should they change after one episode/epoch?

I am trying to use Deep-Q learning environment to learn Super Mario Bros. The implementation is on Github. I have a neural network that Q values update within an episode for a very small learning ...
2
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1answer
135 views

Historical weakness of GOFAI in relation to partisan combinatorial games?

I was recently perusing the paper Some Studies in Machine Learning Using the Game of Checkers II--Recent Progress (A.L. Samuel, 1967), which is interesting historically. I was looking at this figure, ...
4
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1answer
396 views

Algorithms for games with very high branching factors (Connect6)

Connect6 is an example of a game with a very high branching factor. It is about 45 thousand, dwarfing even the impressive Go. What algorithms can you use on games with such high branching factors? I ...
5
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1answer
610 views

Which nodes are expanded in the expansion phase of MCTS?

I'm confused regarding a specific detail of MCTS. To illustrate my question, let's take the simple example of tic-tac-toe. After the selection phase, when a leaf node is reached, the tree is expanded ...
6
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2answers
934 views

How can I create an artificially intelligent aimbot for a game like CS:GO?

How can I create an artificially intelligent aimbot for a game like Counter-Strike Global Offensive (CS:GO)? I have an initial solution (or approach) in mind. We can train an image recognition model ...
6
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2answers
133 views

Evolving network in game

So I wrote simple feed forward neural network that plays tic-tac-toe: 9 neurons in input layers: 1 - my sign, -1 - opponent's sign, 0 - empty; 9 neurons in hidden layer: value calculated using Relu; ...