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Monday, April 14, 2008
StarCraft Bot Battle: Which Race Wins?
6:00 AM | Cord Kruse | 6 comments

A recent addition to the Twenty Sided blog features an analysis of the artificial intelligence powering Terran, Zerg, and Protoss computer players in StarCraft. While none of the three races seem to offer an overwhelming advantage in the hands of a human player the blog post explores which race is the most powerful under computer control.

About a month ago I wrote a Starcraft scenario which allowed you to observe a game between AI players. I’ve been curious about the quirks in the Starcraft AI and I’ve wanted a chance to see them do their thing in a deterministic environment. I learned some surprising things about this ten-year-old gem. While the races themselves are very nearly balanced in the hands of humans, it turns out the AI is a lot better at using some races compared to others.

The setup is this: Seven AI players. Randomized start locations. Using the Broodwar expansion. The last “player” is the human observer, who controls no units but who can see the entire map. The script in question runs on the map “The Hunters”, although it could easily be exported to other maps. There are two Protoss players, two Zerg players, and three Terran Players. The computer players are all set to “insane” level difficulty, informed that all other players are their enemy, and told to go at it. Mayhem ensues.

I’d usually let the game run overnight and check on the results in the morning. (Yes! This was my solution for being too busy to play computer games, I programmed a game to play itself for me!) A game normally takes a couple of hours, although rarely one will end in an hour, and several became endless stalemates.
For the rest of the analysis click over to the site linked below.

Twenty Sided: StarCraft Bot Fight

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• StarCraft Bot Battle: Which Race Wins?6:00 AM
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