(game "Un" 
    (players 2) 
    (equipment { 
        (board (hex 5)) 
        (piece "Marker" Neutral 
            (move Slide
                (between trail:(id "Marker" Shared))	
            )
        )
        (piece "Marker" Shared)
    })
    
    (rules 
        (meta (swap))
        phases:{
        (phase "Init"
            (play (move Add (piece "Marker0") (to (sites Empty))))
            (nextPhase "Main")
        )
        (phase "Main"
            (play (forEach Piece Neutral)
            )
        )
        }
        
        (end (if (no Moves Next) (result Mover Win)))
    )
)

//------------------------------------------------------------------------------

(metadata 
    
    (info
        {
        (description "Slide a shared piece and be the last to do it.")
        (rules "One player drops the neutral stone on a cell and the other chooses who starts. On each turn, each player slides the neutral stone a number of empty cells in a straight line and each cell passed becomes unavailable for the rest of the game. The first player that cannot move loses.")
        (id "4304")
        (source "<a href=\\"https://www.di.fc.ul.pt/~jpn/gv/un.htm\\" target=\\"_blank\\" class=\\"style1\\" style=\\"color: #0000EE\\" />The World of Abstract Games</a>")
        (version "1.3.14")
        (classification "board/space/blocking")
        (author "João Neto")
        (credit "Eric Piette")
        (date "2003")
        }
    )
    
    (graphics {
        (player Colour Neutral (colour Black))
    })
    
)