Programs to Play Twixt Collection of information on game playing programs. Also features T1.
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.
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.