Survive 10 nights without taking any damage

Survive 10 nights without any barricades, turrets or mines

Survive for 3:30 in endless night mode

Survive night 7 or higher using grenades only

Abandon all hope

Use no more than 6 clips during the first night

Play through a deathmatch game

Score 500,000 points in defense mode

Score 150,000 points in defense mode

Score 30,000 points in defense mode

Defeat Ektor.

Complete Factory Stages.

Complete Forest Stage 2.