Tuesday, September 29, 2015

AI in Video Games (part 2)


The developers at Croteam designed their puzzle game, The Talos Principle, with the challenge of balancing the game for players while allowing for an increasing amount of difficulty with each successive puzzle. This task became increasingly difficult because minor design changes often had a ripple effect that could affect all puzzles and potentially break the game. The team realized that playtesting needed to be done on a daily basis, but this is obviously expensive and time-consuming to facilitate. Instead of approaching the problem the traditional way, the team instead designed an AI bot program that would playtest the game for them. The AI bot spent an equivalent of 80,000 hours playtesting the game, making certain that all puzzles could be solved and the game could be finished. The bot reported back to the developers with the data it collected for the bugs it encountered, making it easier to pinpoint and correct the errors quickly.

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