Naughty Naughty

Naughty Naughty is an Achievement in Halo 3: ODST. It is awarded for killing 10 Engineers in New Mombasa at night, alone or with another ODST. It is worth 5 Gamerpoints.

In contrast to the Good Samaritan achievement, it is represented by a downward facing ODST helmet lighted below by a red light.