One Down, 51 to Go
From Halopedia, the Halo wiki
One Down, 51 to Go
One Down, 51 to Go is an achievement in Halo: Reach. It is unlocked by completing a Weekly Challenge.[1]
Trivia
- The name comes from the number of weeks in the year: 52. Therefore, by completing one weekly challenge, you've completed 1 out of 52 challenges.
- The name also might derive from Area 51, a fictional airbase in the Nevada desert featured in Independence Day.
Sources