strict digraph {

// original sequence

night [label="Night of the Living Dead\n1968\nGeorge A. Romero"];
dawn  [label="Dawn of the Dead\n1978\nGeorge A. Romero"];
day   [label="Day of the Dead\n1985\nGeorge A. Romero"];
land  [label="Land of the Dead\n2005\nGeorge A. Romero"];
diary [label="Diary of the Dead\n2007\nGeorge A. Romero"];
survival [label="Survival of the Dead\n2009\nGeorge A. Romero"];

night->dawn->day->land->diary->survival;

// remakes

night2 [label="Night of the Living Dead\n1990\nTom Savni"];
night3 [label="Night of the Living Dead 3D\n2006\nJeff Broadstreet"];

dawn2 [label="Dawn of the Dead\n2004\nZack Snyder"];

day2 [label="Day of the Dead\n2008\nSteve Miner"];

night->night2 [style=dotted];
night->night3 [style=dotted];

dawn->dawn2 [style=dotted];

day->day2 [style=dotted];

// spin-offs

return  [label="The Return of the Living Dead\n1985\nDan O'Bannon"];
return2 [label="Return of the Living Dead Part II\n1988\nKen Wiederhorn"];
return3 [label="Return of the Living Dead III\n1993\nBrian Yuzna"];
return4 [label="Return of the Living Dead: Necropolis\n2005\nEllory Elkayem"];
return5 [label="Return of the Living Dead: Rave to the Grave\n2005\nEllory Elkayem"];

return->return2->return3->return4->return5;

zombi2 [label="Zombi 2\n1979\nLucio Fulci"];
zombi3 [label="Zombi 3\n1988\nLucio Fulci"];

dawn->zombi2->zombi3;

day3 [label="Day of the Dead 2: Contagium\n2005\nAna Clavell"];

shaun [label="Shaun of the Dead\n2004\nEdgar Wright"];

skyline [label="A Chemical Skyline\n2010\nJason Swinchock"];

night->skyline;

}