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1991
Pyramis
2–2 players · 20 min · 8+
Play is on the three sides of a tetrahedron with players alternately placing a single, square tile in their colour. Tiles must stack from the bottom of the tetrahedron and gradually move up the sides. The object is to place a set of exactly five of your tiles in a connected sequence. This sequence may "wrap around" the edges of the tetrahedron.
1991 Mensa Select
Rules and strategy
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