Items starting with U
- Ugly Sweater
- Ultra Absorbant Sponge
- Ultrabright Campfire
- Ultrabright Helmet
- Ultrabright Torch
- Uluru
- Ulysses Butterfly
- Ulysses Butterfly Jar
- Umbrella
- Umbrella Hat
- Umbrella Slime Banner
- Uncumbering Stone
- Undead Miner Banner
- Undead Viking Banner
- Undead Viking Statue
- Underground Reward
- Underworld Pylon
- Unholy Arrow
- Unholy Trident
- Unholy Water
- Unicorn Banner
- Unicorn Crossing the Hallows
- Unicorn Fish
- Unicorn Horn
- Unicorn Kite
- Unicorn Mask
- Unicorn on a Stick
- Unicorn Pants
- Unicorn Shirt
- Unicorn Statue
- Unicorn Wisp Dye
- Universal Pylon
- Unlucky Yarn
- Used Gas Trap
- Uzi