There are exactly 8.4 Trillion Trillion games of 3D Tic-Tac-Toe

It turns out that adding a third dimension increases the number of games of Tic-Tac-Toe rather dramatically. To try it out for yourself, download CubeTacTix here:
(iOS link)
apps.apple.com/us/app/cubetac...
(Android link)
play.google.com/store/apps/de...
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