From Halopedia, the Halo wiki
It is worth 25 gamerpoints.
It is represented by a red star with five skulls assembled around a Gravity Hammer.
- You do not have get all five kills in one life, as long as the five kills are gotten before the end of the game, this Achievement will unlock.
- This could be a reference to "U Can't Touch This" by MC Hammer.
- Hammerzeit, a Halo 3 gametype, translates from German to mean Hammer Time.