Halo: The Master Chief Collection / Achievements
01The Key
Halo 3: Complete Cortana.
- Unlocked by
- 21.7%
- Rarity
- Uncommon
- Hidden achievement
- No
Data from Steam — Steam Web API Terms of Use. Last updated .
Halo: The Master Chief Collection / Achievements
Halo 3: Complete Cortana.
Data from Steam — Steam Web API Terms of Use. Last updated .