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- Game platform Flash. Asteroids is a simple game in which you control a ship and your objective is to shoot asteroids into smaller pieces until they disappear.
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Title: Bootstrapping learning from abstract models in games
Authors: Purvag Patel; Normal Carver; Shahram Rahimi
Addresses: Department of Computer Science, Southern Illinois University, Carbondale, IL, 62901, USA ' Department of Computer Science, Southern Illinois University, Carbondale, IL, 62901, USA ' Department of Computer Science, Southern Illinois University, Carbondale, IL, 62901, USA
Abstract: Computer gaming environments are real time, dynamic, and complex, with incomplete knowledge of the world. Agents in such environments require detailed models of the world if they are to learn effective policies. Machine learning techniques such as reinforcement learning can become intractably large, detailed world models. In this paper we tackle the well-known problem of low convergence speed in reinforcement learning for the detailed model of the world, specifically for video games. We propose first training the agents with an abstract model of the world and then using the resulting policy to initialise the system prior to training the agent with the detailed model of the world. This paper reports on results from applying the proposed technique to the classic arcade game Asteroids. Our experiments show that an agent can quickly learn a policy with the abstract model, and that when this policy's learned values are used to initialise the detailed model, learning with the detailed model improves the rate of convergence.
Keywords: Q-learning; reinforcement learning; computer games; bots; convergence rate; bootstrapping; abstract models; modelling; video games; gaming; arcade games; Asteroids; learning agents; multi-agent systems; MAS; agent-based systems.
DOI: 10.1504/IJBIC.2013.055452
International Journal of Bio-Inspired Computation, 2013 Vol.5 No.4, pp.239 - 251
Received: 17 Nov 2012
Accepted: 20 Nov 2012
Published online: 29 Jul 2013*
Game Info
Name
Asteroids
Game platform
Flash
Description
Asteroids is a simple game in which you control a ship and your objective is to shoot asteroids into smaller pieces until they disappear.
What is the game's genre?
Asteroids Game Atari
Shooter
Does it follow the rules for the genre?
Yes, it is one of the earliest games in the genre.
Asteroids Game Asteroid
Does it have any unique characteristics relative to other games in the genre?
No, it is fairly simple.
Describe the game interface. What controls are available to the user, and what aspects of the game do they control?
The active keys are the spacebar - for shooting - and the arrow keys - for thrusters.
What is the goal of the game?
To destroy all asteroids and alien spacecraft.
What are the major challenges of the game?
Avoiding asteroids and gunfire from alien ships
What is the complexity of the rule set?
Simple, the only elements in the game are your spaceship, the asteroids, and sometimes the alien ship. The higher levels gain complexity in that there are more asteroids and they move faster.
What kind of competition exists?
At random points throughout the game an alien spacecraft appears and tries to shoot you down. You have to destroy it before it destroys you.
Review by Jeff Carpenter
Is the game fun? Rate on a scale of 1 (not fun) to 5 (very fun).
3/5
Is the game difficult to learn? Rate on a scale of 1 (easy) to 5 (difficult).
1/5
Rate the visual quality of the game between 1 (poor) to 5 (very good).
1/5 (by todays standards. the game was released in 1979)
How engaging is the game? Rate on a scale of 1 (not at all) to 5 (extremely).
2/5
What is your overall recommendation for the game? Rate on a scale of 1 (Do not recommend) to 5 (strongly recommend).
2/5
Review by Thomas Williams
Is the game fun? Rate on a scale of 1 (not fun) to 5 (very fun).
4/5
Is the game difficult to learn? Rate on a scale of 1 (easy) to 5 (difficult).
1/5
3/5
Is the game difficult to learn? Rate on a scale of 1 (easy) to 5 (difficult).
1/5
Rate the visual quality of the game between 1 (poor) to 5 (very good).
1/5 (by todays standards. the game was released in 1979)
How engaging is the game? Rate on a scale of 1 (not at all) to 5 (extremely).
2/5
What is your overall recommendation for the game? Rate on a scale of 1 (Do not recommend) to 5 (strongly recommend).
2/5
Review by Thomas Williams
Is the game fun? Rate on a scale of 1 (not fun) to 5 (very fun).
4/5
Is the game difficult to learn? Rate on a scale of 1 (easy) to 5 (difficult).
1/5
Rate the visual quality of the game between 1 (poor) to 5 (very good).
1/5
How engaging is the game? Rate on a scale of 1 (not at all) to 5 (extremely).
4/5
What is your overall recommendation for the game? Rate on a scale of 1 (Do not recommend) to 5 (strongly recommend).
4/5 (It's a classic. If you've never played it, you should at least try it once or twice)
