Halo: The Master Chief Collection / Achievements
01Secret Agent
H3: ODST: Find the 6th clue unraveling the mystery.
- Unlocked by
- 15.8%
- Rarity
- Rare
- Hidden achievement
- No
Data from Steam — Steam Web API Terms of Use. Last updated .
Halo: The Master Chief Collection / Achievements
H3: ODST: Find the 6th clue unraveling the mystery.
Data from Steam — Steam Web API Terms of Use. Last updated .