 | Ice Breakers | This tweaked version of the Woolly Whoppersdeals devastating damage to frozen creatures. | Weapons | 3 |
 | Ice Cream Cart Optical Disk | Contains recipes! Load it into a Ranger Station and use the Science Shop to access them. | Key Items | |
 | Ice Sickles | Legendary frigid blades with a keen edge, forged from mint globs. Perfect for chilling out enemies. | Weapons | 3 |
 | Ice Splinter | A frozen splinter of pure ice. | Consumables | 2 |
 | Infused Ooze | A non-Newtonian sludge that becomes crystallized the more it's kneaded and slapped together into a larger volume. | Materials | 4 |
 | Insulating Larva Spike | A larva spike that seems to absorb heat. (Playground Exclusive) | Trinkets | 2 |
 | Int. Corner Acorn Stairs | Stairs made primarily of acorn shells. | Building & Utilities | |
 | Int. Corner Grass Stairs | Vertical traversal made mostly of grass planks. | Building & Utilities | |
 | Int. Corner Mushroom Stairs | A bold length of stairs made of mushroom bricks. | Building & Utilities | |
 | Inverted Pine Quarter Triangle | An inverted variant of the quarter triangular pine wall. | Building & Utilities | |
 | Inverted Pine Triangle Wall | An inverted variant of the triangular pine wall. | Building & Utilities | |
 | Javelineer | Spears deal additional damage when thrown. Strike foes to enable counter pokes that reflect damage for a short time. | Mutations | |
 | Jerky Rack | Dry raw meat on a jerky rack for the ultimate snack that never spoils and can boost your health. | Building & Utilities | |
 | Juice Drop | Old and sticky, but still moderately restores your thirst. | Consumables | 0 |
 | Junk Room Access Pass | A musty old magnetic card which gives access to the Monitoring Station's junk room where Ominent stored extra robot parts. If a spare robot body exists for BURG.L that'd be a good place to look, right? | Key Items | |
 | Kiln | A specialized furnace that's hot enough to melt solid stuff into other stuff. | Building & Utilities | |
 | King Dozer | A beast of a lizard! A chill pet but a super deadly foe. | Key Items | 3 |
 | King Dozer | A beast of a lizard! A chill pet but a super deadly foe. | Key Items | 3 |
| King Dozer | | Creatures | 3 |
 | King Dozer's Light | There once was a lizard, it's true. The spiciest treats he did chew. He lapped up the tang, then burped with a bang. If you cross him, it's fire he'll spew. | Trinkets | 3 |
 | KLBB11 News Camera | An abandoned news camera used by local TV news station KLBB11. The team hopes to recover the expensive WunderKamera SCOPE model. | Key Items | |
 | Koi Bait | A bundle of bait made from tadpole meat. Used as a distraction for larger underwater predators. | Ammo & Throwables | 0 |
 | Koi Fish Scale | A shiny scale from the koi fish. Sturdy and reliable, this scale can be used to craft protective gear. | Materials | 2 |
 | Koi Scale Chair | A wonderfully extravagant chair crafted from all sorts of aquatic resources. | Building & Utilities | |
 | Koi Scale Chestplate | A stylish, yet sturdy, chest piece made from koi fish scales. | Armor | 3 |
 | Koi Scale Greaves | Sturdy and hydrodynamic leg plates made from koi fish scales. Offers increased protection without sacrificing style. | Armor | 3 |
 | Koi Scale Helmet | A stylish head piece of head gear made from solid koi fish scales. | Armor | 3 |
 | Koi Scale Shelf | A nice shelf designed to display various knick-knacks. | Building & Utilities | |
 | Koi Scale Shield | A hydrodynamic shield that offers fluid underwater movement made from shiny koi fish scales. | Weapons | 3 |
 | Koi Statue | A gorgeous statue of a familiar foe. | Building & Utilities | |
 | Lab Corner Wall A | A curved version of the Lab Wall | Building & Utilities | |
 | Lab Corner Wall B | A variation of Lab Corner Wall A | Building & Utilities | |
 | Lab Door | You 'shall' pass! | Building & Utilities | |
| Lab Doorframe | Ominent’s standard issue door frame | Building & Utilities | |
 | Lab Floor | A solid floor. Can also be used as a ceiling. | Building & Utilities | |
 | Lab Floor Corner A | A curved metal floor. Can also be used as a ceiling | Building & Utilities | |
 | Lab Floor Corner B | A concave metal floor that fits the exterior of curved walls | Building & Utilities | |
 | Lab Floor Half | Half a Lab Floor. Can also be used as a ceiling | Building & Utilities | |
 | Lab Floor Quarter | A quartered floor section for filling gaps in construction | Building & Utilities | |
 | Lab Half Wall | A sturdy metal wall used by Ominent for building laboratories | Building & Utilities | |
