Activision's big contribution to AI is Call of Duty: Warzone data
Briefly

This first-of-its-kind data set release for Call of Duty, now available in OpenUSD, contains the near-complete geometry of Caldera as well as a collection of randomly selected anonymized time samples showing how players move around the map, Activision writes in a blog post.
According to Michael Vance, it's one of the largest production-validated open data set releases from the gaming industry and also one of the largest publicly available OpenUSD data sets, period.
Read at The Verge
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