Complete 10 games

Complete 50 games

Complete 100 games

Complete 500 games

Complete 1,000 games

Reach a 10 game streak

Reach a 25 game streak

Reach a 50 game streak

Reach a 100 game streak

Reach a 500 game streak

Complete a game in less than 30 seconds without hints

Complete a game in less than 60 seconds without hints

Reach #1 on any leaderboard

Reach top 10 on any leaderboard

Hold the #1 spot on any leaderboard for 3 consecutive days

Hold the #1 spot on any leaderboard for 7 consecutive days

Hold the #1 spot on any leaderboard for 30 consecutive days

Reach top 10 on leaderboards in every difficulty

Complete a puzzle from every category

Complete a puzzle on every difficulty

Complete a game without using any hints or checks

Complete a game without using any hints or checks and a score greater than 4000

Achieve a score greater than 6400 in a competitive game with no hints or checks

Unlock and set an achievement badge on your profile

Join a friend's game as a spectator or co-player

Have a friend join your game

View another user's leaderboard profile

Complete the 'How to play' guide