| Item Name↑ | Code Name | Version | Type | Category | Mod | |
 | Blackberry Juice | HCMayonnaiseblackberryjuice | B41 Beta | Food | Food Juice | Hydrocraft |
 | Blackberry Juice | HCWaterbottleblackberryjuice | B41 Beta | Food | Food Juice | Hydrocraft |
 | Blackberry Pie | HCPieblackberry | B41 Beta | Food | Food Pies | Hydrocraft |
 | Blackberry Seeds | HCBlackberryseeds | B41 Beta | Normal | Seeds | Hydrocraft |
 | Blackberry Seeds Packet | HCBlackberryseedspacket | B41 Beta | Normal | Seeds | Hydrocraft |
 | Blacksmith Apron | HCBlacksmithapron | B41 Beta | Normal | Leatherworking | Hydrocraft |
 | Blackthorn Berry | HCBlackthornberry | B41 Beta | Food | Foraging | Hydrocraft |
 | Blank Cheque | HCCheque | B41 Beta | Normal | Money | Hydrocraft |
 | Blast Furnace | HCBlastfurnace | B41 Beta | Normal | Metalurgy | Hydrocraft |
| Blast Furnace | HCBlastfurnace2 | B41 Beta | Container | Metalurgy | Hydrocraft |
 | Bleach | Bleach | 41.1 | Food | items_food | Classic |
| Bleach Bottle With Water | WaterBleachBottle | 41.1 | Drainable | items_food | Classic |
 | Bleeding Heart | HCBleedingheart | B41 Beta | Normal | Foraging | Hydrocraft |
 | Blender | HCBlender | B41 Beta | Normal | Kitchen | Hydrocraft |
 | Blender with Dead Battery | HCBlenderdead | B41 Beta | Normal | Kitchen | Hydrocraft |
 | Blender with Power | HCBlenderpowered | B41 Beta | Drainable | Kitchen | Hydrocraft |
 | Blewit Mushroom | HCBlewitshroom | B41 Beta | Food | Food Shrooms | Hydrocraft |
 | Bloated Leech | HCLeechbloated | B41 Beta | Normal | Bugs | Hydrocraft |
 | Block Mold | HCBlockmold | B41 Beta | Drainable | Pottery | Hydrocraft |
 | Blonde Hair Dye | HairDyeBlonde | 41.1 | Drainable | newitems | Classic |
 | Bloody Dissection Table | HCDissectiontablebloody | B41 Beta | Normal | Medical | Hydrocraft |
 | Bloody Mary Drink | HCDrinkbloodymary | B41 Beta | Food | Food Bar | Hydrocraft |
 | Bloody Mary Mixer | HCBloodymarymixer | B41 Beta | Food | Food Bar | Hydrocraft |
 | Blowfish | HCBlowfish | B41 Beta | Food | Food Seafood | Hydrocraft |
 | Blue Agave Packet | HCAgaveblueseedspacket | B41 Beta | Normal | Seeds | Hydrocraft |
 | Blue Agave Seeds | HCAgaveblueseeds | B41 Beta | Normal | Seeds | Hydrocraft |
 | Blue Barrel with Acid and Corpse | HCBluebarrelcorpse | B41 Beta | Normal | Barrels | Hydrocraft |
 | Blue Barrel with Ammonia | HCAmmoniabarrelbluefull | B41 Beta | Drainable | Barrels | Hydrocraft |
 | Blue Barrel with Methylamin | HCMethylaminbarrelbluefull | B41 Beta | Drainable | Barrels | Hydrocraft |
 | Blue Barrel with Phenylacetic Acid | HCPhenylbarrelbluefull | B41 Beta | Drainable | Barrels | Hydrocraft |
 | Blue Barrel with Sulfuric Acid | HCSulfuricacidbarrelbluefull | B41 Beta | Drainable | Barrels | Hydrocraft |
 | Blue Butterfly | HCButterfly | B41 Beta | Normal | Bugs | Hydrocraft |
 | Blue Carpet | HCCarpetblue | B41 Beta | Moveable | Floors | Hydrocraft |
 | Blue Corn | HCCornblue | B41 Beta | Food | Food Vegetables | Hydrocraft |
 | Blue Corn Seeds | HCCornblueseeds | B41 Beta | Normal | Seeds | Hydrocraft |
 | Blue Corn Seeds Packet | HCCornblueseedspacket | B41 Beta | Normal | Seeds | Hydrocraft |
 | Blue Daisy | HCBluedaisy | B41 Beta | Normal | Foraging | Hydrocraft |
 | Blue Electric Bass | GuitarElectricBassBlue | 41.1 | Weapon | items_weapons | Classic |
 | Blue Electric Guitar | GuitarElectricBlue | 41.1 | Weapon | items_weapons | Classic |
| Blue Empty Ammonia Barrel | HCAmmoniabarrelblueempty | B41 Beta | Container | Barrels | Hydrocraft |
| Blue Empty Methylamin Barrel | HCMethylaminbarrelblueempty | B41 Beta | Container | Barrels | Hydrocraft |
| Blue Empty Phenylacetic Acid Barrel | HCPhenylbarrelblueempty | B41 Beta | Container | Barrels | Hydrocraft |
| Blue Empty Sulfuric Acid Barrel | HCSulfuricacidbarrelblueempty | B41 Beta | Container | Barrels | Hydrocraft |
 | Blue Fireman T-Shirt | Tshirt_Profession_FiremanBlue | 41.1 | Clothing | clothing/clothing_shirts | Classic |
 | Blue Glowstick | HCGlowstickblue | B41 Beta | Normal | Lights | Hydrocraft |
 | Blue Glowstick | HCGlowstickblueon | B41 Beta | Drainable | Lights | Hydrocraft |
| Blue Hair Dye | HairDyeBlue | 41.1 | Drainable | newitems | Classic |
 | Blue Jay Feather | HCBluejayfeather | B41 Beta | Normal | Foraging | Hydrocraft |
 | Blue LED | HCLedblue | B41 Beta | Normal | Electronics | Hydrocraft |
 | Blue Light Bulb | LightBulbBlue | 41.1 | Normal | newitems | Classic |
 | Blue Meth | HCBluemeth | B41 Beta | Food | Drugs Meth | Hydrocraft |
 | Blue Meth Research | HCBlueprintbluemeth | B41 Beta | Literature | Blueprints | Hydrocraft |
 | Blue Ornament | HCOrnamentblue | B41 Beta | Normal | Holiday | Hydrocraft |
 | Blue Paint | PaintBlue | B41 Beta | Drainable | items | Hydrocraft |
 | Blue Pen | BluePen | 41.1 | Weapon | items_weapons | Classic |
 | Blue Pigment | HCBluepigment | B41 Beta | Drainable | Painting | Hydrocraft |
 | Blue Plate | PlateBlue | 41.1 | Normal | newitems | Classic |
| Blue Police T-Shirt | Tshirt_Profession_PoliceBlue | 41.1 | Clothing | clothing/clothing_shirts | Classic |
 | Blue Quartz Crystal | HCQuartzblue | B41 Beta | Normal | Gems | Hydrocraft |
 | Blue Raspberry Juice Box | HCJuiceboxblueraspberry | B41 Beta | Food | Food Juice | Hydrocraft |
 | Blue Speedo | Briefs_SmallTrunks_Blue | 41.1 | Clothing | clothing/clothing_underwear | Classic |
 | Blue Team Flag | HCFlagpoleblue | B41 Beta | Normal | Flags | Hydrocraft |
 | Blue Yarn | HCYarnblue | B41 Beta | Normal | Tailoring | Hydrocraft |
 | Bluebell | HCBluebell | B41 Beta | Normal | Foraging | Hydrocraft |
 | Blueberry Jello Cubes | HCJelloblueberrycubes | B41 Beta | Food | Food Gelatin | Hydrocraft |
 | Blueberry Jello Dessert | HCJelloblueberrybowl | B41 Beta | Food | Food Gelatin | Hydrocraft |
 | Blueberry Jello Mold | HCJelloblueberry1cold | B41 Beta | Food | Food Gelatin | Hydrocraft |
 | Blueberry Jello Packet | HCJellopacketblueberry | B41 Beta | Food | Food Gelatin | Hydrocraft |
 | Blueberry Juice | HCWhiskeyblueberryjuice | B41 Beta | Food | Food Juice | Hydrocraft |
 | Blueberry Juice | HCClingmugblueberryjuice | B41 Beta | Food | Food Juice | Hydrocraft |
 | Blueberry Juice | HCPopbottleblueberryjuice | B41 Beta | Food | Food Juice | Hydrocraft |
 | Blueberry Juice | HCRemouladeblueberryjuice | B41 Beta | Food | Food Juice | Hydrocraft |
 | Blueberry Juice | HCMayonnaiseblueberryjuice | B41 Beta | Food | Food Juice | Hydrocraft |
 | Blueberry Juice | HCWaterbottleblueberryjuice | B41 Beta | Food | Food Juice | Hydrocraft |
 | Blueberry Pie | HCPieblueberry | B41 Beta | Food | Food Pies | Hydrocraft |
 | Blueberry Popsicle | HCPopsicle1 | B41 Beta | Food | Food Ice Cream | Hydrocraft |
 | Blueberry Seeds | HCBlueberryseeds | B41 Beta | Normal | Seeds | Hydrocraft |
 | Blueberry Seeds Packet | HCBlueberryseedspacket | B41 Beta | Normal | Seeds | Hydrocraft |
 | Blunt Axe Head | HCAxeheadblunt | B41 Beta | Normal | Weapons Axes | Hydrocraft |
 | Blunt Makeshift Axe | HCMakeshiftaxeblunt | B41 Beta | Weapon | Weapons Axes | Hydrocraft |
 | Boar (Female) | HCBoarfemale | B41 Beta | Normal | Hunting | Hydrocraft |
 | Boar (Male) | HCBoarmale | B41 Beta | Normal | Hunting | Hydrocraft |
 | Boar Carcass | HCBoarmeat | B41 Beta | Food | Food Meat | Hydrocraft |
 | Boar Poop | HCBoarpoop | B41 Beta | Normal | Hunting | Hydrocraft |
 | Boar Skeleton | HCBoarbones | B41 Beta | Normal | Boneworking | Hydrocraft |
 | Boar Tusk | HCBoartusk | B41 Beta | Normal | Boneworking | Hydrocraft |
 | Board Game | HCBoardgame1 | B41 Beta | Normal | Toys | Hydrocraft |
 | Board Game | HCBoardgame2 | B41 Beta | Normal | Toys | Hydrocraft |
 | Board Game | HCBoardgame3 | B41 Beta | Normal | Toys | Hydrocraft |
 | Body Bag | HCBodybag | B41 Beta | Container | Medical | Hydrocraft |
 | Body Brush | HCBodybrush | B41 Beta | Normal | Bathroom | Hydrocraft |
 | Boiled Egg | EggBoiled | 41.1 | Food | items_food | Classic |
 | Bollweevil | HCBollweevil | B41 Beta | Normal | Bugs | Hydrocraft |
 | Bolt | HCBolt | B41 Beta | Normal | Tools | Hydrocraft |
 | Bolt Mold | HCBowBoltMold | B41 Beta | Drainable | Pottery | Hydrocraft |
 | Bone | HCBone | B41 Beta | Normal | Boneworking | Hydrocraft |
 | Bone Arm Guards | HCArmarmorbone | B41 Beta | Normal | Armor | Hydrocraft |
 | Bone Armor | HCArmorbone | B41 Beta | Normal | Armor | Hydrocraft |
 | Bone Arrowhead | HCBonearrowhead | B41 Beta | Normal | Weapon Ranged | Hydrocraft |
 | Bone Arrowhead Blueprint | HCBlueprintbonearrowhead | B41 Beta | Literature | Blueprints | Hydrocraft |
