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Castaway Harem
Official Guide

Castaway Harem — Strategy Guide

Interactive survival guide, heroine skills, and dependency craft tree diagram.

📜 Crafting Dependency Tree Diagram

Interactive dependency tree directly based on the original game. Lines connect prerequisite items to what they unlock.

tool

Stone Axe

Cost: Wood x3, Stone x2

Clears Jungle entrance

tool

Torch

Cost: Wood x1, Fiber x2

Clears Deep Grove entrance

material

Rope (Material)

Cost: Fiber x4 → Yields 2

Prerequisite for Fishing Rod

tool Req: axe

Pickaxe

Cost: Wood x2, Stone x3

Mines ore & pearls

tool Req: axe

Spear

Cost: Wood x2, Stone x1, Fiber x1

Hunts wild boars for hide

tool Req: rope

Fishing Rod

Cost: Wood x2, Rope x1

Catches fish in waters

station

Campfire

Cost: Wood x2, Stone x3

Basic cooking facility

station

Rain Collector

Cost: Wood x4, Stone x2

Collects fresh water

station

Berry Garden

Cost: Wood x4, Fiber x4

Grows wild berries

station

Bed

Cost: Wood x4, Fiber x3

Reduces sleep stamina cost

material

Rope (Req Material)

Cost: Fiber x4

Prerequisite for Workbench

station Req: campfire

Food Smoker

Cost: Wood x6, Stone x4

Smokes fish for provisions

station Req: rope

Workbench

Cost: Wood x6, Rope x2

Unlocks advanced processing

station Req: workbench

Furnace

Cost: Stone x8

Smelts ore to metal ingots

station Req: workbench

Loom

Cost: Wood x4, Rope x2

Weaves fiber to sailcloth

station Req: workbench

Tannery

Cost: Wood x4, Stone x2

Tans hide into leather

material

Rope

Cost: Fiber x4 → Yields 2

Core binding ingredient

station Req: rope

Workbench (Station)

Cost: Wood x6, Rope x2

Required for Planks & Stations

material Req: workbench

Plank

Cost: Wood x4 → Yields 2

Building & raft material

station Req: workbench

Loom (Station)

Cost: Wood x4, Rope x2

Required for Sailcloth

station Req: workbench

Tannery (Station)

Cost: Wood x4, Stone x2

Required for Leather

station Req: workbench

Furnace (Station)

Cost: Stone x8

Required for Ingots

material Req: loom

Sailcloth

Cost: Fiber x8

Heavy canvas for Galleon

material Req: tannery

Leather

Cost: Hide x3

Tanned animal leather

material Req: furnace

Ingot

Cost: Ore x2

Refined metal ingot

material Req: ingot, plank

Hull Frame

Cost: Ingot x4, Plank x4

Heavy ship structure

material Req: plank

Navigation

Cost: Sea Chart x1, Plank x1

Sailing navigation knowledge

escape

Signal Fire

Cost: Wood x5, Fiber x3

Basic early escape goal

material

Plank (Req)

Cost: Wood x4

Prerequisite for Raft

material

Rope (Req)

Cost: Fiber x4

Prerequisite for Raft

escape Req: plank, rope

Escape Raft

Cost: Plank x4, Rope x4

Mid-scale escape goal

material

Hull Frame (Req)

Cost: Ingot x4, Plank x4

Galleon component

material

Sailcloth (Req)

Cost: Fiber x8

Galleon component

material

Navigation (Req)

Cost: Sea Chart x1, Plank x1

Galleon component

escape Req: metal_frame, sailcloth, navigation

Galleon Ship

Cost: Hull Frame x1, Sailcloth x2, Rope x4, Navigation x1, Provisions x2

True Harem Escape Goal (All 8 Heroines)

💖 Heroine Roster & Skills

Click or tap any heroine face icon to enlarge her full illustration.

Marika Botanist

Beach Area

Favorites: Fiber, Wild Berries

✨ Crew Skill: Botanical Mastery

Garden yield increases from 2 to 3 per night

Cynthia Nurse

Beach Area

Favorites: Coconut, Herb

✨ Crew Skill: Medical Care

Reduces Sleep Stamina/Drain cost from 50% to 25%

Tatum Carpenter

Beach Area

Favorites: Wood, Stone

✨ Crew Skill: Carpentry Efficiency

Lumber processing yields 3 planks instead of 2

Lorena Chef

Jungle Area

Favorites: Fish, Coconut

✨ Crew Skill: Gourmet Preserves

Smoker food output increases from 1 to 2 per craft

Ayaka Cheerleader

Jungle Area

Favorites: Wild Berries, Coconut

✨ Crew Skill: Energetic Cheer

Reduces Stamina cost for gathering & crafting to 75%

Mizuki Shrine Maiden

Jungle Area

Favorites: Fiber, Herb

✨ Crew Skill: Divine Purification

Reduces Hunger depletion during movement & sleep by 25%

Imani Deep Sea Diver

Deep Grove

Favorites: Shell, Pearl

✨ Crew Skill: Deep Smelting

Furnace metal ingot output increases from 1 to 2 per craft

Annika Flight Attendant

Deep Grove

Favorites: Shell, Coconut

✨ Crew Skill: Hydration Hospitality

Reduces Thirst depletion during movement & sleep by 25%

🌿 Raw Materials & Locations

Material Location / Requirement Usage
Wood Beach, Jungle, Deep Grove Basic crafting for tools, base stations, and escape builds
Stone Beach, Jungle, Deep Grove Used for Axes, Furnace, Rain Collector, Signal Fire
Fiber Beach (Day 1) Torches, Ropes, Raft, Sailcloth. Core crafting resource
Coconut Beach (Initial area) Early food & hydration. Crafting ingredient for meals & water
Wild Berries Beach, Jungle Minor hunger recovery & Flower Crown gift crafting
Vine Jungle, Deep Grove Binding material for Raft and Galleon, Flower Crown gift
Ore Deep Jungle Smelted into ingots in Furnace
Herb Jungle, Deep Grove Bandage crafting & favorite gift for Cynthia/Mizuki
Hide Deep Jungle (Wild Boar) Processed into leather at Tannery
Fish Shallow Waters, Ocean Smoked at Smoker for gourmet survival provisions
Shell Coastal Shells in Deep Cove Crafting Shell Necklace gift
Pearl Deep Cove Shells Crafting Pearl Ring gift

🍎 Consumables & Recovery

Item Name How to Obtain Effects
Emergency Ration Initial Inventory (2x) Fully restores Stamina, Hunger, and Thirst
Fresh Coconut Gather on Beach Hunger +15, Thirst +20
Cooked Coconut Coconut x2 Hunger +40, Stamina +20
Fresh Water Coconut x1 or Rain Collector Restores Thirst (+100)
Berry Snack Wild Berries x3 Hunger +20, Stamina +10
Provisions Fish x2 (Smoker) High hunger recovery for exploration & Galleon escape
Bandage Fiber x2, Herb x1 Health recovery item