Ammo

Doom

 * See also: Backpack

Heretic

 * See also: Bag of Holding

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