Slaughter mode

Slaughter mode, added in patch 1.1.0, is survival mode, where hordes of zombies are attacking you in endless waves. Try to stay alive as long as you can.

After each wave you can find spawned weapon upgrades and/or car upgrades. You can find money there too.

Harbour
Bright midday


 * Gold: 37 500
 * Silver: 18 500
 * Bronze: 7 500

City Center
Foggy noon


 * Gold: 50 000
 * Silver: 30 000
 * Bronze: 10 000

Park
Bright dusk


 * Gold: 60 500
 * Silver: 37 500
 * Bronze: 12 500

Midtown
Night with projected headlights


 * Gold: 75 000
 * Silver: 45 000
 * Bronze: 15 000

Suburbs
Early dawn


 * Gold: 120 000
 * Silver: 60 000
 * Bronze: 20 000

Train Station

 * Gold: 125 000
 * Silver: 65 000
 * Bronze: 25 000

Added in patch 1.2.2.