The ammo counter

The ammo counter is the HUD indicator which informs the player of how much ammunition they currently have in their weapon's clip, as well as how much ammunition is left in their total stockpile.

The ammo counter changes forms subtly depending on which type of weapon is equipped: for low-ammo weapons such as the shotgun, the counter displays larger, chunkier icons to indicate the small clip/magazine sizes. For weapons with larger ammo counts, the icons are thinner so as to all fit together onscreen.