1.Play a game, die.
2.Get new helmet OR a sign on your helmet that indincates your achievements this round:
The bullseye.
Get killed without doing anything.
The scope sign.
80% of kills are headshots
The crossed shotguns.
You blew out 3 enemies at the distance lower than 5 blocks.
A spade.
You dig like a [s]MAGGOT[/s] worm.
Dig 50-100 blocks total.
A bunch of grenades.
Killed more than 2-3 enemies with a grenade(1 grenade).
The bullets.
3 kill streak without reload of your machine gun.
The parachute.
You like chuting, bad news you have none to use when you fall.
+
Will let you to see if teammate specialises in something or is just a noob.
Will let you see the enemy's talents.
-
Yes, I read about helmets, but these helmets work more like signs than headshot protectors.
Look at the analogy of from the "Gone with a blastwave" comic.