Full list of all 20 TrueAchievements achievements worth 0 gamerscore. It takes around 1-2 hours to unlock all of the achievements on Xbox One.
You used the TrueAchievements app on 10 different days
I voted on 25 solutions
You viewed an achievement with a ratio higher than a 10
You rated 10 different games
You voted on 10 solutions
You viewed the TrueAchievements app achievement list
You rated a game!
You sorted and filtered an achievement list at the same time
You voted on an achievement solution
You viewed an achievement or challenge solution
...is talk about TrueAchievements
Use the TrueAchievements app on 20 consecutive days
Preview five gaming sessions you have signed up for on the TrueAchievements website
Rate 25 different games
Read a news article within 5 minutes of it being published
View a milestone from your friend feed
Read 100 different news articles
View a currently running challenge
Be top of game page friends leaderboard with at least 10 friends on it
Viewed 100 different achievement solutions