Ammo

Doom

 * See also: Backpack

Heretic

 * Bag of Holding
 * Claw Orb
 * Crystal Geode
 * Energy Orb
 * Ethereal Arrows
 * Flame Orb
 * Greater Runes
 * Inferno Orb
 * Lesser Runes
 * Mace Spheres
 * Pile of Mace Spheres
 * Quiver of Ethereal Arrows
 * Wand Crystal

HeXen

 * Blue Mana
 * Green Mana
 * Combined Mana

Strife

 * Ammo Satchel
 * Box of Bullets
 * Bullet Clip
 * Crate of Missiles
 * Electric Bolts
 * Energy Pack
 * Energy Pod
 * Gas Grenades
 * HE Grenades
 * Missiles
 * Phosphorous Grenades
 * Poison Arrows