Sly isn't a single game but six different ones, sharing board and pieces. The board is 12x12, divided in 16 fields of 3x3, with field centres specially marked. The pieces come in four colours and each set consists of a cylinder, four triangles and six squares.
All games but Line up use the whole 12x12 grid as a playing area. Line Up only uses the center positions of the 16 3x3 fields to effectively yield a 4x4 grid of playing positions.
Solitaire Sly is for 1 player and is a variation on the old puzzle of removing pieces by selected jumps. The game starts in 6x6 grid of pieces, but pieces can jump outside the 6x6 area using the whole 12x12 board if desired.
Sniggle is a racing game for 2-4 players.
Line Up is an alignment two-player game played on a 4x4 grid with each player having two squares, two triangles and one cyclinder of his color.
Empire is an abstract two-four player wargame of sorts.
Blockade is a distant relative of Hnefatafl; each player tries to have his king escape whilst blocking the other's with his guards.
Gateway, finally, is a 2-4 player game where each tries to enter all his pieces by forming alignments with opposing pieces.
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