117 (achievement)

117 is an achievement in Halo: Spartan Assault. It is unlocked by earning all gold stars in all operation missions. The achievement is worth 20 Gamerpoints on Windows systems and Xbox 360, and 40 Gamerpoints on Xbox One. It is represented by a circle with a star and the number 117.

Trivia
If the player has previously unlocked this achievement on a Windows 8 device, it will automatically unlock the first time the player signs in to the Xbox 360 version.