Finish the level ‘Abandoned Factory’ in normal mode
Finish the level 'Battle of Slum' in normal mode
Finish the level 'Team Zeta' in 'god of war' mode
Finish the level 'Wild-West'
Finish the level 'Team Zeta' in normal mode
Finish the level 'Battle of Slum' in hell mode
Finish the level 'Abandoned Factory' in hell mode
Finish the level 'Team Zeta' in hard mode
Finish the level 'Bloody Desert' in hard mode
Finish the level 'Bloody Desert' in normal mode
Finish the level 'Abandoned Factory' in hard mode
Finish the level 'Battle of slum' in hard mode
Finish the level 'Team Zeta' in hell mode
Finish the level 'Disturbia'
Finish the level 'Bloody Desert' in hell mode
Head shot count over 200 at a single wave
Reaches $88888 when level's final wave completion window shows up
Get the SSS Rank
Recieve 20K damage in a single wave
100% hit rate at a single wave
Kill 10K enermy
Get the Omega Rank
Health reaches 10K
Collect 200 purple coin
Combo count reaches 200
Finish the training level
Finish the 'Battle of Slum' level in 'god of war' mode
Finish the 'Sniper in the slum Ⅱ' level
Finish the 'Bloody Desert' level in 'god of war' mode
Life counts reach 9
Finish the 'Abandoned Factory' level in 'god of war' mode
Kill any kinds of Boss monster for 10 times
Finish the 'Sniper in the slum' level
Open 50 AirDrop boxes
Donate 1000K to the donate machine
Finish the level 'DeepDarkHole' in hell mode
Finish the level 'DeepDarkHole' in hard mode
Finish the level 'DeepDarkHole' in 'god of war' mode
Finish the level 'DeepDarkHole' in normal mode