Volar con espacio.

function eventNewPlayer(name)
    tfm.exec.bindKeyboard(name,32,true,true)
end

for name,player in pairs(tfm.get.room.playerList) do
    eventNewPlayer(name)
end

function eventKeyboard(name,key,down,x,y)
    if key==32 then
        tfm.exec.movePlayer(name,0,0,true,0,-50,false)
    end
end