- Twixt - - A review of the 3M Bookshelf Game Twixt (1963). Twixt is a three dimensional version of an old pen and paper game. The object of the game is to build an uninterrupted "bridge" from one end of the board to the other.
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- Uncrossed Knight Paths is NP-complete - - Draft of a paper by Dominic Mazzoni and Kevin Watkins proving that finding paths in Twixt (i.e., whether it is still possible to win) is NP-complete.
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