| Item Name↑ | Code Name | Version | Type | Category | Mod | |
 | Crude Club with Hedge Cutter Blade | HCHomemadeclubcrudecutter | B41 Beta | Weapon | Weapons Bats | Hydrocraft |
 | Crude Club with Hedge Trimmer Blade | HCHomemadeclubcrudetrimmer | B41 Beta | Weapon | Weapons Bats | Hydrocraft |
 | Crude Club with Screws | HCHomemadeclubcrudescrews | B41 Beta | Weapon | Weapons Bats | Hydrocraft |
 | Crude Club with Tent Pegs | HCHomemadeclubcrudetentpegs | B41 Beta | Weapon | Weapons Bats | Hydrocraft |
 | Crude Club with Wrench | HCHomemadeclubcrudewrench | B41 Beta | Weapon | Weapons Bats | Hydrocraft |
 | Crude Wooden Stake | HCStakecrude | B41 Beta | Weapon | Weapons Stakes | Hydrocraft |
 | Cruller | HCCruller | B41 Beta | Food | Food Donuts | Hydrocraft |
 | Crutch | HCCrutch | B41 Beta | Weapon | Medical | Hydrocraft |
 | Cryptozoology Textbook | HCBookcryptozoology | B41 Beta | Literature | Books | Hydrocraft |
 | Crystal Meth Research | HCBlueprintmeth | B41 Beta | Literature | Blueprints | Hydrocraft |
 | Cube | Cube | 41.1 | Normal | newitems | Classic |
 | Cubed Cheese Curd | HCCurdcubed | B41 Beta | Normal | Cheesemaking | Hydrocraft |
 | Cucumber | HCCucumber | B41 Beta | Food | Food Vegetables | Hydrocraft |
 | Cucumber Seeds | HCCucumberseeds | B41 Beta | Normal | Seeds | Hydrocraft |
 | Cucumber Seeds Packet | HCCucumberseedspacket | B41 Beta | Normal | Seeds | Hydrocraft |
 | Cue Ball | HCCueball | B41 Beta | Normal | Toys | Hydrocraft |
 | Cumin | HCCumin | B41 Beta | Food | Food Condiments | Hydrocraft |
 | Cup of Black Coffee | HCCoffeeblack | B41 Beta | Food | Food Drinks | Hydrocraft |
 | Cup of Black Coffee | HCCoffeeblack2 | B41 Beta | Food | Food Drinks | Hydrocraft |
| Cup of Coffee with Sugar | HCCoffeeblacksugar | B41 Beta | Food | Food Drinks | Hydrocraft |
| Cup of Coffee with Sugar | HCCoffeeblack2sugar | B41 Beta | Food | Food Drinks | Hydrocraft |
 | Cup of Coffee with Sugar and Milk | HCCoffeeblacksugarmilk | B41 Beta | Food | Food Drinks | Hydrocraft |
 | Cup of Coffee with Sugar and Milk | HCCoffeeblack2sugarmilk | B41 Beta | Food | Food Drinks | Hydrocraft |
 | Cup of Hot Chocolate | HCCococup | B41 Beta | Food | Food Drinks | Hydrocraft |
| Cup of Hot Chocolate | HCCococup2 | B41 Beta | Food | Food Drinks | Hydrocraft |
| Cup of Irish Coffee | HCCoffeeirish | B41 Beta | Food | Food Bar | Hydrocraft |
| Cup of Irish Coffee | HCCoffeeirish2 | B41 Beta | Food | Food Bar | Hydrocraft |
 | Cupcake | Cupcake | 41.1 | Food | items_food | Classic |
 | Cured Hemp Bud | HCHempbudcured | B41 Beta | Normal | Drugs Cannabis | Hydrocraft |
 | Curing Salt | HCCuringsalt | B41 Beta | Drainable | Food Salt | Hydrocraft |
 | Curry | HCCurry | B41 Beta | Food | Food Condiments | Hydrocraft |
 | Cut Amazonite | HCAmazonitecut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Amethyst | HCAmethystcut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Azurite | HCAzuritecut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Blue Agave | HCAgavebluecut | B41 Beta | Normal | Distillery | Hydrocraft |
 | Cut Blue Quartz Crystal | HCQuartzbluecut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Chili Pepper | HCChilipeppercut | B41 Beta | Food | Food Vegetables | Hydrocraft |
 | Cut Citrine Quartz Crystal | HCQuartzcitrinecut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Diamond | HCDiamondcut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Emerald | HCEmeraldcut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Fire Agate | HCFireagatecut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Garnet | HCGarnetcut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Jade | HCJadecut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Lapis Lazuli | HCLapislazulicut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Malachite | HCMalachitecut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Off Plastic Bottle | HCWaterbottlecutoff | B41 Beta | Normal | Recycling | Hydrocraft |
 | Cut Olivine | HCOlivinecut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Quartz Crystal | HCQuartzcut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Rhodonite | HCRhodonitecut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Rose Quartz Crystal | HCQuartzrosecut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Ruby | HCRubycut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Sapphire | HCSapphirecut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Smokey Quartz Crystal | HCQuartzsmokeycut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Topaz | HCTopazcut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cut Turquoise | HCTurquoisecut | B41 Beta | Normal | Gems | Hydrocraft |
 | Cutting Board | HCCuttingboard | B41 Beta | Normal | Kitchen | Hydrocraft |
 | Cyan Light Bulb | LightBulbCyan | 41.1 | Normal | newitems | Classic |
 | Cyan Paint | PaintCyan | B41 Beta | Drainable | items | Hydrocraft |
 | Czech Flag | HCFlagczech | B41 Beta | Normal | Flags | Hydrocraft |
 | Czech Flag on Pole | HCFlagpoleczech | B41 Beta | Normal | Flags | Hydrocraft |
 | Czech Textbook | HCBookczech | B41 Beta | Literature | Books | Hydrocraft |
 | D-E Pistol | Pistol3 | 41.1 | Weapon | items_weapons | Classic |
 | Dachshund (Female) | HCDachshundfemale | B41 Beta | Container | Dogs | Hydrocraft |
 | Dachshund (Male) | HCDachshundmale | B41 Beta | Container | Dogs | Hydrocraft |
 | Dacite | HCDacite | B41 Beta | Normal | Mining | Hydrocraft |
 | Daffodil | HCDaffodil | B41 Beta | Normal | Foraging | Hydrocraft |
 | Daikon | Daikon | 41.1 | Food | items_food | Classic |
 | Daisy | HCDaisy | B41 Beta | Normal | Foraging | Hydrocraft |
 | Daisy Tea | HCDaisyteamug | B41 Beta | Food | Herbalism | Hydrocraft |
| Daisy Tea | HCDaisyteaclaymug | B41 Beta | Food | Herbalism | Hydrocraft |
 | Dandelions | Dandelions | 41.78.16 | Food | items_food | Classic |
 | Dangly Diamond Earrings | Earring_Dangly_Diamond | 41.78.16 | Clothing | clothing/clothing_jewellery | Classic |
 | Dangly Pearl Earrings | Earring_Dangly_Pearl | 41.78.16 | Clothing | clothing/clothing_jewellery | Classic |
 | Dangly Ruby Earrings | Earring_Dangly_Ruby | 41.78.16 | Clothing | clothing/clothing_jewellery | Classic |
 | Dangly Sapphire Earrings | Earring_Dangly_Emerald | 41.78.16 | Clothing | clothing/clothing_jewellery | Classic |
 | Dangly Sapphire Earrings | Earring_Dangly_Sapphire | 41.78.16 | Clothing | clothing/clothing_jewellery | Classic |
 | Daquiri Drink | HCDrinkdaquiri | B41 Beta | Food | Food Bar | Hydrocraft |
 | Dark Chocolate | HCChocolatedark | B41 Beta | Food | Food Candy | Hydrocraft |
 | Dark Mine | HCDarkmine | B41 Beta | Normal | Mining | Hydrocraft |
| Dark Mine | HCDarkmineB | B41 Beta | Normal | Mining | Hydrocraft |
 | Dark Mine with Pully | HCDarkmine2 | B41 Beta | Normal | Mining | Hydrocraft |
| Dark Mine with Pully | HCDarkmine2B | B41 Beta | Normal | Mining | Hydrocraft |
 | Dark Mine with Steam Pully | HCDarkmine3 | B41 Beta | Normal | Mining | Hydrocraft |
| Dark Mine with Steam Pully | HCDarkmine3B | B41 Beta | Container | Mining | Hydrocraft |
 | Dark Red Fireman T-Shirt | Tshirt_Profession_FiremanRed02 | 41.1 | Clothing | clothing/clothing_shirts | Classic |
 | Dart | Dart | 41.1 | Normal | newitems | Classic |
 | Date Seeds | HCDateseeds | B41 Beta | Normal | Seeds ND | Hydrocraft |
 | Date Seeds Packet | HCDateseedspacket | B41 Beta | Normal | Seeds ND | Hydrocraft |
 | Dates | HCDates | B41 Beta | Food | Food Fruit | Hydrocraft |
 | Dead 9 Volt Battery | HCBattery9voltdead | B41 Beta | Normal | Battery | Hydrocraft |
 | Dead Armadillo | HCArmadillodead | B41 Beta | Food | Hunting | Hydrocraft |
 | Dead Battery | HCBatterydead | B41 Beta | Normal | Battery | Hydrocraft |
 | Dead Beagle | HCBeagledead | B41 Beta | Normal | Dogs | Hydrocraft |
 | Dead Beaver | HCBeaverdead | B41 Beta | Food | Hunting | Hydrocraft |
 | Dead Bernese Mountain Dog | HCBernesedead | B41 Beta | Normal | Dogs | Hydrocraft |
 | Dead Bird | DeadBird | 41.1 | Food | items_food | Classic |
 | Dead Black Bear | HCBlackbeardead | B41 Beta | Food | Hunting | Hydrocraft |
 | Dead Black Duck | HCBlackduckdead | B41 Beta | Food | Hunting | Hydrocraft |
 | Dead Black Duck | HCBlackduckdead2 | B41 Beta | Normal | Hunting | Hydrocraft |
 | Dead Bluejay | HCBluejaydead | B41 Beta | Food | Hunting | Hydrocraft |
