I saw the game in Vsauce's How to Play Super Tic-Tac-Toe and wanted to reproduce it, so here it is! A mock-up of it made in Python
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o | choose a square to play in (x, y): 0, 2
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- The starting player can choose any grid to start in.
- They then pick a square in the chosen grid to play.
- The next player must then play a move in that corresponding grid.
- Repeat until someone has a line of winning games.
- If a singular grid ends as a draw, that grid is forfeitted.
- If the entire game draws then the winner is the one with the most total grids won.