Achievements

Achievements are a feature introduced in the 11.0.0 update. To earn a specific achievement, you need to do what the achievement tells you to do (e.g. to earn the Killer achievement, you need to kill 25 players).

Appearances
Achievements are "circle" shaped badges that mostly appear in bronze (for the easier achievements), silver (for the medium difficulty achievements) and gold (for the hard achievements, secret achievements and gold-badge-earned achievements).

Some achievements have red and white on the top of the badges. That means that these achievements are the normal achievements. Some achievements have blue, red and white on the top of the badges. That means that these achievements are secret achievements. Some achievements have green and white on the top of the badges. That means that these achievements can be instantly earned as a gold badge.

This table indicates the rest of the appearance of each badge.

Trivia

 * Some achievements do not have a number bar, making it more difficult for a player to know how close they are to earn the achievement.
 * However, if you click on the achievement, you can see the numbers.