Darker nights – pools of lamplight, glowing zombie eyes, and fires and muzzle flashes that light up the dark

Map colours – each map has its own night colour

Blackouts – big blasts knock out the lights around them for the rest of the wave

Opening shot – the camera sweeps over the map with its name and story at the start of every match

Map stories – a backstory for every map, on the title screen and in the opening

Ending – the camera pulls away from your last stand with a line for the map you fell on

Boss entrances – the Abomination smashes through a gate, the Gravelord bursts out of a crypt, the Yardmaster jumps off the night train, the Stormbringer climbs out of the river

Breakables – cars catch fire and explode; barriers, sandbags, barricades, lamps, headstones and pumpkins break

Fuel tank – the Rail Yard's tank leaks fire, then explodes

Battle scars – scorch marks and blood stay all match, and fires smoulder

The night builds – a helicopter searchlight and skyline explosions on The Block, thicker fog in Gravewood, sparks and burning boxcars in the Rail Yard

Weather – ash, leaves, soot and rain drifting across each map

Bosses and brutes shove cars out of their way

Runners vault over barriers, sandbags and cars

Gates rattle when zombies climb out near them

Zombies flinch when shot and get thrown by blasts

Deaths match the weapon – blown apart, charred, shattered or dropped

Bodies stay a moment, then sink into the ground

Shell casings from the Sidearm, SMG, Minigun and Shotgun

Ringing ears after a blast right next to you

Horde murmur – grows as more zombies gather off screen

Layered music – builds as the fight heats up

Echoes, footsteps by surface, distant life on every map, and the night train's wheels and rumble

Callouts – speech bubbles with a beep: "I'm down!", "Big one!", "Behind you!", "Clear!"

Health rings under every survivor, with a limp and a blood trail when badly hurt

Revive close-up

Blood around the screen edges at low health, and a red glow toward whatever hit you

Edge warnings for an off-screen boss, a boss charge, an exploder and incoming acid

Screen and HUD – Screen shake, Reduce flashing, Immersive HUD, Survivor callouts

Main volume – moves all four sound sliders at once