There are 28 total boss treasures (the ones found in the final sublevels of caves). These are all 28: * Communication Device * Malodorous Napsack * Emblazoned Glove * Crystallized Rage * The Key * Torn Universe * Hefty Hand * Thick Skin * Unusual Whistle * Titanium Cylindrical Object * Brass Knuckles * Stick of Light * Pulsar Medallion * Angel's Wings * Dashing Footwear * Lens of Identification * Packaged Rainbow * Alternate Dimension * Orb of Darkness * Sleek Sheet * Emperor Whistle * Energy Provider * Indescribable Merit * Paranormal Laurel * Computerized Creativity * Transporter * Spatial Key * The Jewel of Life