| Item Name↑ | Code Name | Version | Type | Category | Mod | |
 | Cat (Male) | HCCatwhitemale | B41 Beta | Container | Cats | Hydrocraft |
 | Cat (Male) | HCCatgingermale | B41 Beta | Container | Cats | Hydrocraft |
 | Cat (Male) | HCCatsilvermale | B41 Beta | Container | Cats | Hydrocraft |
 | Cat bones | HCCatbones | B41 Beta | Normal | Boneworking | Hydrocraft |
 | Cat Carcass | HCCatmeat | B41 Beta | Food | Food Meat | Hydrocraft |
 | Cat Food | HCCatfood | B41 Beta | Food | Pet | Hydrocraft |
 | Cat Poop | HCCatpoop | B41 Beta | Normal | Cats | Hydrocraft |
 | Cat Toy | CatToy | 41.1 | Normal | newitems | Classic |
 | Caterpillar | HCCaterpillar | B41 Beta | Normal | Bugs | Hydrocraft |
 | Catfish | Catfish | 41.1 | Food | items_food | Classic |
 | Catfish Roe | HCEggcatfish | B41 Beta | Normal | Fishing | Hydrocraft |
 | Catnip | HCCatnip | B41 Beta | Normal | Foraging | Hydrocraft |
 | Cauliflower | HCCauliflower | B41 Beta | Food | Food Vegetables | Hydrocraft |
 | Cauliflower Seeds | HCCauliflowerseeds | B41 Beta | Normal | Seeds ND | Hydrocraft |
 | Cauliflower Seeds Packet | HCCauliflowerseedspacket | B41 Beta | Normal | Seeds ND | Hydrocraft |
 | CD | Disc | 41.1 | Normal | newitems | Classic |
| CD | Disc_Retail | 41.1 | Normal | newitems | Classic |
 | CD Case with CD | HCCDcasefull | B41 Beta | Normal | Music | Hydrocraft |
 | Celery | HCCelery | B41 Beta | Food | Food Vegetables | Hydrocraft |
 | Celery Packet | HCCeleryseedspacket | B41 Beta | Normal | Seeds | Hydrocraft |
 | Celery Seed | HCCeleryseed | B41 Beta | Food | Food Condiments | Hydrocraft |
 | Celery Seeds | HCCeleryseeds | B41 Beta | Normal | Seeds | Hydrocraft |
 | Cellar | HCCellar | B41 Beta | Container | Stoneworking | Hydrocraft |
| Cellar | HCCellar2 | B41 Beta | Container | Stoneworking | Hydrocraft |
 | Celtic Folklore | HCBookceltic | B41 Beta | Literature | Books | Hydrocraft |
 | Cement Pond Hole | HCPondholecement | B41 Beta | Normal | Fishing | Hydrocraft |
 | Centifuge with Power | HCCentifugepowered | B41 Beta | Drainable | Centifuge | Hydrocraft |
 | Centrifiuge | HCCentifuge | B41 Beta | Normal | Centifuge | Hydrocraft |
 | Ceramic Oscillator | HCCeramicoscillator | B41 Beta | Normal | Electronics | Hydrocraft |
 | Cereal | Cereal | B41 Beta | Food | items_food | Hydrocraft |
 | Cereal Bowl | CerealBowl | 41.1 | Food | items_food | Classic |
 | Certificate | HCCertificate | B41 Beta | Normal | Office | Hydrocraft |
 | Chaff | HCChaff | B41 Beta | Normal | Herbalism | Hydrocraft |
 | Chain | HCChain | B41 Beta | Weapon | Junkyard | Hydrocraft |
 | Chain Saw (No Gas) | ChainSawNoGas | B41 Beta | Weapon | Tools | Hydrocraft |
 | Chainmail Armor | HCArmorchainmail | B41 Beta | Normal | Armor | Hydrocraft |
 | Chainmail Gloves | HCGlovechainmail | B41 Beta | Normal | Armor | Hydrocraft |
 | Chainmail Leg Guards | HCLegarmorchainmail | B41 Beta | Normal | Armor | Hydrocraft |
 | Chainsaw | ChainSaw | B41 Beta | Weapon | items_weapons | Hydrocraft |
 | Chair Leg | ChairLeg | 41.1 | Weapon | items_weapons | Classic |
 | Chalk | HCChalk | B41 Beta | Normal | Toys | Hydrocraft |
 | Chalk Eraser | HCChalkeraser | B41 Beta | Normal | Toys | Hydrocraft |
 | Chalk Powder | HCChalkpowder | B41 Beta | Normal | Alchemy | Hydrocraft |
 | Chalk Rock | HCChalkrock | B41 Beta | Normal | Mining | Hydrocraft |
 | Chantrelle | HCChantrelle | B41 Beta | Food | Food Shrooms | Hydrocraft |
 | Chapstick | HCChapstick | B41 Beta | Drainable | Bathroom | Hydrocraft |
 | Charcoal | Charcoal | 41.1 | Drainable | items | Classic |
 | Charcoal Powder | HCCharcoalpowder | B41 Beta | Normal | Alchemy | Hydrocraft |
 | Chardonnay | Wine | 41.1 | Food | items_food | Classic |
 | Charged Solar Park | HCSolarparkcharged | B41 Beta | Drainable | Solar | Hydrocraft |
 | Charging Unit (Off) | HCChargingunitoff | B41 Beta | Normal | Electronics | Hydrocraft |
 | Charging Unit (On) | HCChargingunit | B41 Beta | Normal | Electronics | Hydrocraft |
 | Checkers | HCCheckers | B41 Beta | Normal | Toys | Hydrocraft |
 | Cheddar Cheese | HCCheddar | B41 Beta | Food | Cheesemaking | Hydrocraft |
 | Cheddar Wheel | HCCheddarwheelunaged | B41 Beta | Food | Cheesemaking | Hydrocraft |
 | Cheese | Cheese | 41.1 | Food | items_food | Classic |
 | Cheese Cake Slice | CakeCheeseCake | 41.1 | Food | items_food | Classic |
 | Cheese Cloth | HCCheesecloth | B41 Beta | Normal | Cheesemaking | Hydrocraft |
 | Cheese Curd | HCCheesecurd | B41 Beta | Normal | Cheesemaking | Hydrocraft |
 | Cheese Grater | HCCheesegrater | B41 Beta | Normal | Kitchen | Hydrocraft |
 | Cheese Making Cookbook | HCBookcheesemaking | B41 Beta | Literature | Cookbooks | Hydrocraft |
 | Cheese Pizza | HCSimplepizza | B41 Beta | Food | Food Pizza | Hydrocraft |
 | Cheese Rack | HCCheeserack | B41 Beta | Normal | Cheesemaking | Hydrocraft |
 | Cheese Rack with Aged Cheddar Cheese | HCCheeserackagedcheddar | B41 Beta | Normal | Cheesemaking | Hydrocraft |
 | Cheese Rack with Aged Cheese | HCCheeserackaged | B41 Beta | Normal | Cheesemaking | Hydrocraft |
 | Cheese Rack with Aged Waxed Cheddar Cheese | HCCheeserackagedcheddarwaxed | B41 Beta | Normal | Cheesemaking | Hydrocraft |
 | Cheese Rack with Cheddar Cheese | HCCheeserackfullcheddar | B41 Beta | Normal | Cheesemaking | Hydrocraft |
 | Cheese Rack with Cheese | HCCheeserackfull | B41 Beta | Normal | Cheesemaking | Hydrocraft |
 | Cheese Rack with Waxed Cheddar Cheese | HCCheeserackfullcheddarwaxed | B41 Beta | Normal | Cheesemaking | Hydrocraft |
 | Cheese Ramen | HCRamencheese | B41 Beta | Food | Food Soup | Hydrocraft |
 | Cheese Ramen Flat | HCRamenflatcheese | B41 Beta | Normal | Food Soup | Hydrocraft |
 | Cheese Ramen Flavoring | HCRamencheeseflavor | B41 Beta | Food | Food Condiments | Hydrocraft |
 | Cheese Ramen Noodles | HCRamennoodlebowlcheese | B41 Beta | Food | Food Soup | Hydrocraft |
 | Cheese Sandwich | CheeseSandwich | 41.1 | Food | items_food | Classic |
 | Cheese Tray | HCCheesetray | B41 Beta | Normal | Cheesemaking | Hydrocraft |
 | Cheese Vat | HCVatcheese | B41 Beta | Normal | Cheesemaking | Hydrocraft |
 | Cheese Wheel | HCCheesewheel | B41 Beta | Food | Cheesemaking | Hydrocraft |
 | Chef Hat | HCChefhat | B41 Beta | Normal | Kitchen | Hydrocraft |
 | Chef Hat | Hat_ChefHat | 41.1 | Clothing | clothing/clothing_hats | Classic |
 | Chef Jacket | Jacket_Chef | 41.1 | Clothing | clothing/clothing_jacket | Classic |
 | Chef Pants | Trousers_Chef | 41.1 | Clothing | clothing/clothing_pants | Classic |
 | Chemical Plastic Bottle With Sodium Hydroxide | HCChemicalbottlesodiumhydroxide | B41 Beta | Normal | Alchemy | Hydrocraft |
 | Chemistry Textbook | HCBookchemistry | B41 Beta | Literature | Books | Hydrocraft |
 | Cherry | Cherry | 41.1 | Food | items_food | Classic |
 | Cherry Candy | HCCandycherry | B41 Beta | Food | Food Candy | Hydrocraft |
 | Cherry Jello Cubes | HCJellocherrycubes | B41 Beta | Food | Food Gelatin | Hydrocraft |
 | Cherry Jello Dessert | HCJellocherrybowl | B41 Beta | Food | Food Gelatin | Hydrocraft |
 | Cherry Jello Mold | HCJellocherry1cold | B41 Beta | Food | Food Gelatin | Hydrocraft |
 | Cherry Jello Packet | HCJellopacketcherry | B41 Beta | Food | Food Gelatin | Hydrocraft |
 | Cherry Juice | HCWhiskeycherryjuice | B41 Beta | Food | Food Juice | Hydrocraft |
 | Cherry Juice | HCClingmugcherryjuice | B41 Beta | Food | Food Juice | Hydrocraft |
 | Cherry Juice | HCPopbottlecherryjuice | B41 Beta | Food | Food Juice | Hydrocraft |
 | Cherry Juice | HCRemouladecherryjuice | B41 Beta | Food | Food Juice | Hydrocraft |
 | Cherry Juice | HCMayonnaisecherryjuice | B41 Beta | Food | Food Juice | Hydrocraft |
 | Cherry Juice | HCWaterbottlecherryjuice | B41 Beta | Food | Food Juice | Hydrocraft |
 | Cherry Juice Box | HCJuiceboxcherry | B41 Beta | Food | Food Juice | Hydrocraft |
 | Cherry Pie | HCPiecherry | B41 Beta | Food | Food Pies | Hydrocraft |
 | Cherry Popsicle | HCPopsicle7 | B41 Beta | Food | Food Ice Cream | Hydrocraft |
 | Cherry Seeds | HCCherryseeds | B41 Beta | Normal | Seeds | Hydrocraft |
 | Cherry Seeds Packet | HCCherryseedspacket | B41 Beta | Normal | Seeds | Hydrocraft |
