Medal system is now implemented in the game.
Here is the list of medals :
Medal name : Curiosity (5 points).
Description :  Getting familiar with the agenda.

Medal name : UnFlappster (10 points)
Description :  Regular but ambitious wing cutter.

Medal name : Rude (25 points)
Description :  Walking the path of the true Slayer.

Medal name : Slayer (50 points)
Description :  Only few among us are true slayers.

Medal name : Exterminator (100 points)
Description :  Highest rank is granted only to the most brutal and bloodthirsty among us.