Playable in Single player or co-op for up to four players, < zombie army trilogy features frenzied undead-shooting action across three nerve-shredding story campaigns and its brutal horde mode.on Nintendo Switch, < zombie army trilogy comes with everything previously released on consoles and brand new features including 2-4 player local wireless play, motion controls, Pro controller and HD Rumble support. Zombie army trilogy also supports Nintendo Switch\'s new friend invite system. in the dying