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Nine familiar games introduce children ages 10 and up to the mind-stretching possibility of a “multiconnected universe”. Games include: tic-tac-toe, mazes, crossword puzzles, word search puzzles, jigsaw puzzles, chess, pool, gomoku and apples. While playing the games, kids develop an intuitive visual understanding of a model universe that is finite yet has no boundary. Players who master the games in 2D may enjoy the extra challenge of solving 3D mazes and playing 3D tic-tac-toe in multiconnected 3D spaces. Even though the games were designed with kids in mind, adults interested in topology, geometry and cosmology have also found them enjoyable and enlightening.

Last update
25 January 2021 (Version 5.10)
More efficient compression of Jigsaw Puzzle images for improved wide-color support and reduced download size.
(macOS) Runs natively on both Apple Silicon and Intel Macs.
German, Greek, English, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Portuguese, Russian, Vietnamese, Chinese (simplified), Chinese (traditional)

Contact Jeff Weeks.

With deepest thanks to the translators:
Frank Lutz and Christina Laternser, Σταύρος Παπαδόπουλος (Stavros Papadopoulos), Cristóbal Camarero Coterillo and Maria de la Paz Álvarez-Scherer, Jouko Koskinen, Jean-Philippe Uzan and Roland Lehoucq, Carlo Petronio, 竹内建 (Tatsu Takeuchi), 송현종 (Hyun-Jong Song), Sebas Eliëns and Jacobien Carstens, Atractor, Алексей и Ксения Пронины (Alexey and Kseniya Pronin), Nguyễn Văn Tân and 邹燕清 (Yanqing Zou)

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This material is based upon work supported by the National Science Foundation under Grant No. 1503701. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author and do not necessarily reflect the views of the National Science Foundation.

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