Super Sleuth
From Halopedia, the Halo wiki
Super Sleuth
Super Sleuth is an Achievement in Halo 3: ODST. It;s unlocked when the player finds the final clue to unravel the mystery, either alone or with another ODST. It is worth 10 Gamerpoints.[1]. It will unlock upon beginning the Template:Levelname mission, having started a complete run through in the correct order.
Trivia
- There is a Marathon symbol in the background, behind the actual symbol, in the gold circle.
Sources