Survive wave 30. - Dead Island (Xbox 360)
Survive 30 consecutive waves with at least one co-op player. - Dead Island (Xbox 360)
Survive 10 consecutive waves using only custom weapons. - Dead Island (Xbox 360)
1,875/3,4201,000/1,61050/76
1,797/3,3781,000/1,70050/71
1,478/1,4781,000/1,00050/50