Super Sleuth

Super Sleuth is an Achievement in Halo 3: ODST. It is unlocked when the player finds the final clue to unravel the mystery, either alone or with another ODST. It is worth 10 Gamerpoints. . It will unlock upon beginning the 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.