 | Buzzin' Buggies | Your deepening bond with buggies inspires them to sprint longer. | Mutations | |
 | C.K.U. | A battered Catch and Kill Unit found patrolling the depths of The Abyss. | Key Items | |
 | C.K.U. | A battered Catch and Kill Unit found patrolling the depths of The Abyss. | Key Items | |
 | C.K.U. | | Creatures | 1 |
 | Cactus Petal | A petal plucked from a cactus flower. Useful for binding wounds. | Materials | 3 |
 | Calcined Snail Fragment | A garden snail fragment roasted in a kiln, infused with unstable goo. | Materials | 3 |
 | Calculator | Math enthusiasts will recognize this model as the hyper reliable Insta-Mather SL 885. | Key Items | |
 | Calico | Prince of Skunk Pond. Woke up on the wrong side of the bed. Fish bed. Do fish have beds? | Key Items | |
 | Calico | | Creatures | |
 | Can Garden | A clever arrangement of canned plants reusing recyclable packaging for a colorful display. | Key Items | |
 | Candy Corn Scarecrow | A surprisingly acceptable use for an unsurprisingly terrible treat. | Building & Utilities | |
 | Candy Cornlet | An extra good canteen that holds four scoops of liquid. | Consumables | 2 |
 | Candy Processing Facility | Ominent's processing center researching the super sour flavor effects of candies in the park. What causes these mysterious properties? Could they be transferred to larger objects? So many questions, so few answers... | Key Items | |
 | Cannon Master | Your engineering skills are growing! You handle Ladybug Buggy water cannons with increased efficiency. | Mutations | |
 | Canteen | Equip to fill up from hefty droplets and puddles. Carries multiple sips. | Consumables | 1 |
 | Captain Nitro | | Creatures | 2 |
 | Captain Turbo | | Creatures | 2 |
 | Cardio Fan | Exhausting your tiny body over and over again, your cells adopt a more efficient respiration process. | Mutations | |
 | Carrot Bits | A crunchy carrot bit rich in fiber. A satisfying snack that restores a fair amount of hunger. | Materials | 3 |
 | Carrot Frond | The leafy greens from the top of a carrot. | Materials | 3 |
 | Caterpillar | A butterfly larva readying a spectacular transformation! Can drop spine nubs, caterpillar goop, and caterpillar meat on death. | Key Items | |
 | Caterpillar | A butterfly larva readying a spectacular transformation! Can drop spine nubs, caterpillar goop, and caterpillar meat on death. | Key Items | |
 | Caterpillar | | Creatures | 2 |
 | Caterpillar Goop | A glob of caterpillar saliva. Smells bad but seems useful for disinfecting wounds. | Materials | 2 |
 | Caterpillar Jerky | Thick dried strips of caterpillar meat. No longer at risk of spoiling. | Consumables | 2 |
 | Caterpillar Roast | Juicy caterpillarsteak, bursting with herbaceous flavors. Restores a large amount of hunger. | Consumables | 2 |
 | Cattail Fluff | These fluffy clumps are useful for building water structures and stuffing furniture. They can even insulate against the cold. | Materials | 3 |
 | Ceiling Mounted Broodmother Chandelier | A grand chandelier crafted from broodmother parts. | Building & Utilities | |
 | Ceremony Pamphlet | A pamphlet for the statue unveiling ceremony at Brookhollow City Park. Presented by Ominent Practical Technologies. | Key Items | |
 | Champion's Banner | A heroic banner to stake your claim in Brookhollow Park. Customize emblems to your liking. | Building & Utilities | |
 | Champion's Brazier | A mighty light source. | Building & Utilities | |
 | Charcoal Ash | A fine dust made of charcoal. Can be baked into a strong building material. | Materials | 3 |
 | Charcoal Canteen | A high quality liquid container with the power to purify dirty water in to a deliciously drinkable flavor with the power of charcoal. | Consumables | 3 |
 | Charging Spider | Your Spider Buggies have nerves of steel. Charging enemies does increased damage to all that cross your path. | Mutations | |
 | Charred Recipe | Plans for a new version of the flaming sword from Dr. Tully's yard, now improved with wolf spider chunks. | Key Items | |
 | Cheese 'n' Fries | Fries topped with squeaky cheese and a delicious snail slime reduction. | Consumables | 3 |
 | Chief Titan | | Creatures | 3 |
 | Chimney'd Clover Roof | Part of a fireplace that will help make your home more cozy. | Building & Utilities | |
 | Chimney'd Crow Roof | Part of a fireplace that will help make your home more cozy. | Building & Utilities | |
 | Chimney'd Pinecone Roof | Part of a fireplace that will help make your home more cozy. | Building & Utilities | |