Halo: The Master Chief Collection / Achievements
01Don't Make a Girl a Promise
Halo 2: Collect the Cortana toy in Gravemind.
- Unlocked by
- 1.7%
- Rarity
- Very rare
- Hidden achievement
- No
Data from Steam — Steam Web API Terms of Use. Last updated .
Halo: The Master Chief Collection / Achievements
Halo 2: Collect the Cortana toy in Gravemind.
Data from Steam — Steam Web API Terms of Use. Last updated .