Full list of all 38 It's Quiz Time achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox One.
A player scored over 9,999 points in a multiplayer game
All players chose the same specialist subject during The Big Finish
The same player answered every question incorrectly during All in Order
Completed 10 games
Best friend failed to correctly predict player's answer in Best Friends Forever
A new player won the game
The same player answered every question correctly during All in Order
Played two back-to-back games with the same players
The same player won three games in a row
A team of two or more players beat the leader in Showdown
A player guessed only one clue during Describe It!
A clue was removed during Describe It! after someone calls 'Shenanigans!'
A player went from last place after the first round to winning the game
A player correctly answered all specialist subject questions during The Big Finish
The leader beat a team of two or more players in Showdown
Someone called 'Shenanigans!' during Describe It!
The same player was leading at the end of every round and won the game
Completed a game
A player scored over 450 points on a single question in The Big Finish
A player answered correctly during Trust or Bust when all other players predicted otherwise
Complete a single player game
Complete 30 games
Complete a game with 8 players
Someone joins mid-game
All players answer every question correctly during the Starter Round
No-one answers incorrectly during a round of Connections
A player correctly guesses every clue for a subject in Describe It!
No-one answers correctly during a Trust or Bust
The same player correctly predicts that everyone will answer correctly during Trust or Bust
The same player predicts everyone will answer incorrectly during Trust or Bust
Everyone answers correctly in Best Friends Forever, apart from the best friend
The same player is chosen as the best friend by all players in a round of Best Friends Forever
The same player works alone against a team of two or more players in Showdown 5 times
All players in a 4-player multiplayer game finish with over 10,000 points
Answer every question in a Solo Score Attack game but end with zero points
Score over 8,000 points in the Solo Score Attack
Play on October 31st
Play on December 25th