Defend the headquarter of MIB (Level 1)
Repels the aliens in Manhattan (Level 2)
Clean the sewers (Level 3)
Contain the Vermax infestation (Level 4)
Defeat the Alcidians (Level 5)
Rescue K (Level 6)
Finish the game without password (Easy or higher)
Finish the game without password (Normal or higher)
Finish the game without password (Hard)
Finish level 1 without being hit (Normal or higher)
Finish level 2 without being hit (Normal or higher)
Finish level 3 without being hit (Normal or higher)
Finish level 4 without being hit (Normal or higher)
Finish level 5 without being hit (Normal or higher)
Finish level 6 without being hit (Normal or higher)