I was on my Xbox One playing an Xbox 360 game and I noticed that I wasn't unlocking a single achievement even though I clearly completed whatever the requirement was to unlock
![The Next Xbox One Insider Update Adds Game Gifting and Hiding of Zero-Gamerscore Games | XboxAchievements.com The Next Xbox One Insider Update Adds Game Gifting and Hiding of Zero-Gamerscore Games | XboxAchievements.com](https://img.xboxachievements.com/images/game/2703/guide/Untitled.jpg)
The Next Xbox One Insider Update Adds Game Gifting and Hiding of Zero-Gamerscore Games | XboxAchievements.com
![I was on my Xbox One playing an Xbox 360 game and I noticed that I wasn't unlocking a single achievement even though I clearly completed whatever the requirement was to unlock I was on my Xbox One playing an Xbox 360 game and I noticed that I wasn't unlocking a single achievement even though I clearly completed whatever the requirement was to unlock](https://qph.cf2.quoracdn.net/main-qimg-0a441d051c99a255afc5a7486c8d367b.webp)
I was on my Xbox One playing an Xbox 360 game and I noticed that I wasn't unlocking a single achievement even though I clearly completed whatever the requirement was to unlock
![ALL HALO ACHIEVEMENTS UNLOCKED! (Not including achievements that was launched unobtainable) From Halo 2 PC, all Xbox 360 &Xbox One Halo games, MCC & MCC China, and all 8 version of Spartan ALL HALO ACHIEVEMENTS UNLOCKED! (Not including achievements that was launched unobtainable) From Halo 2 PC, all Xbox 360 &Xbox One Halo games, MCC & MCC China, and all 8 version of Spartan](https://preview.redd.it/all-halo-achievements-unlocked-not-including-achievements-v0-r3kz77c6f9x81.png?auto=webp&s=501da51e616ec295681e3698ac0b5a9ea86df5ad)