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+# 🎮 **MASTER GAME UPDATE - January 03, 2026**
+## **Complete System Integration + Final Documentation**
+
+---
+
+## 📊 **TODAY'S ADDITIONS (16 Major Systems!):**
+
+### **✅ SYSTEMS ADDED:**
+1. **MEMORY_LOSS_EXPANSION** - 50 Ana artifacts, heartbeat mechanic
+2. **DUAL_PROTAGONIST_SYSTEM** - Play as Kai OR Ana
+3. **RAILWAY_SYSTEM** - 27 stations, fast travel
+4. **GRONK_RECRUITMENT_QUEST** - Find Gronk, unlock vape
+5. **FARMING_MEMORIES_BREEDING_CRAFTING** - Farm therapy, 3 breeding systems, 20 crafting stations
+6. **RANGED_WEAPONS_OVERHAUL** - 21 arrow types, shotgun exception
+7. **MUTANT_ANIMALS_COMPLETE** - 10 Chernobyl creatures + drops
+8. **BIOME_PLACEMENT_TRAVEL_SYSTEM** - Scattered map, travel restrictions
+9. **CARAVAN_TELEPORTERS_CAMPS_TAMING** - 6 llamas, 21 teleporters, camps, baby taming
+10. **CAMP_LIMITS_ZOMBIE_HELPERS** - 10 camp max, zombie helpers at camps
+11. **FARM_EXPANSION_SYSTEM** - 8×8 → 64×64, fog of war
+12. **SLEEP_CARGO_SIGNS_MONSTERS** - 30min night, llamas/alpacas, dragons, cyclops
+13. **WOOD_TYPES_GLASS_CRAFTING** - 15 wood types + colors, glass from sand
+14. **TRADING_CLOTHING_WEATHER_SYSTEM** - Universal trading, designer clothes, 7 weather events
+15. **WARDROBE_AUTOCHANGE_WEATHER_HUD** - Wardrobe storage, auto-equip, weather HUD
+16. **BIOME_UNLOCKABLES_NPC_VILLAGES** - Biome-specific content, village building
+
+---
+
+## 🌍 **20 BIOMES - COMPLETE CONTENT LIST:**
+
+### **1. DOLINA SMRTI (Grassland - Starting Zone)** 🌾
+```
+LOCATION: Central Slovenia
+DISCOVERY: Auto-unlocked (starting zone!)
+DIFFICULTY: ⭐ Easy
+
+UNIQUE CONTENT:
+- Plants: Wheat, Corn, Potatoes, Carrots, Tomatoes
+- Trees: Oak, Birch, Apple
+- Animals: Chickens, Cows, Pigs, Horses
+- Enemies: Basic Zombies (10-20 HP)
+- NPCs: Farmers, Merchants, Blacksmith
+- Buildings: Farmhouse, Barn, Silo, Windmill
+- Special: BASE FARM (player's home!)
+```
+
+### **2. LJUBLJANA (Town Square)** 🏛️
+```
+LOCATION: 10km from Dolina Smrti
+DISCOVERY: Auto-unlocked (first quest!)
+DIFFICULTY: ⭐ Easy (safe zone!)
+
+UNIQUE CONTENT:
+- Services: All shops, bank, hospital, train station
+- NPCs: 180 NPCs (shopkeepers, guards, citizens)
+- Buildings: Town Hall, Market, Cathedral, Apartments
+- Special: CENTRAL HUB for trading!
+- Train Station: Fast travel to other towns!
+```
+
+### **3. ENDLESS FOREST** 🌲
+```
+LOCATION: 50km NE from base
+DISCOVERY: Must travel (no fast travel first time!)
+DIFFICULTY: ⭐⭐⭐ Medium-Hard
+
+UNIQUE CONTENT:
+- Plants: Wild Berries, Mushrooms, Herbs, Ferns
+- Trees: Pine, Spruce, Oak (dense forest!)
+- Animals: Deer, Wolves, Bears, **BIGFOOT** (rare!)
+- Enemies: Werewolves (60 HP,night), Wendigos (80 HP)
+- NPCs: Hermit, Hunter, Druid
+- Buildings: Log Cabin, Hunter's Lodge, Druid Circle
+- Weapons: Wooden Staff, Vine Whip, Bark Shield
+- Armor: Leaf Armor, Bark Shield, Druid Robe
+- Food: Wild Boar, Venison, Berries, Mushrooms
+- Special: **BIGFOOT encounter!** (legendary!)
+```
+
+### **4. DINO VALLEY** 🦖
+```
+LOCATION: 60km S from base
+DISCOVERY: Must travel
+DIFFICULTY: ⭐⭐⭐⭐ Hard
+
+UNIQUE CONTENT:
+- Creatures: 12 Dinosaur types (T-Rex, Raptor, Triceratops, etc.)
+- Plants: Prehistoric Ferns, Giant Mushrooms, Cycad Palms
+- Trees: Ancient trees, fossilized stumps
+- Enemies: Dino Zombies, Alpha T-Rex BOSS
+- NPCs: Paleontologist, Dino Tamer
+- Buildings: Primitive Hut, Dino Pen, Bone Fence
+- Weapons: Bone Axe, Stone Spear, Obsidian Blade
+- Armor: Dino Hide Armor, Bone Helmet, Scale Boots
+- Food: **T-Rex Steak (+100 HP!)**, Dino Eggs, Dino Jerky
+- Materials: Amber, Dino Bones, Tar Pit Tar
+- Special: BREED DINOSAURS! Baby Raptor mount!
+```
+
+### **5. CHERNOBYL (Radioactive Zone)** ☢️
+```
+LOCATION: 150km E from base (border)
+DISCOVERY: Must travel (FAR!)
+DIFFICULTY: ⭐⭐⭐⭐⭐ EXTREME!
+
+UNIQUE CONTENT:
+- Mutants: 10 types (Wolf, Two-Headed Dog, Giant Rat, Bear, etc.)
+- Plants: Mutated Grass, Radioactive Flowers, Toxic Mushrooms
+- Trees: Dead trees, mutated wood
+- Enemies: Radiation Zombies, Mutant Bear BOSS
+- NPCs: Stalker, Scientist, Military Survivor
+- Buildings: Reactor Ruins, Bunker, Military Checkpoint, Decontamination Station
+- Weapons: **SHOTGUN (ONLY HERE!)**, Lead Pipe, Contaminated Axe
+- Armor: **HAZMAT SUIT (REQUIRED!)**, Gas Mask, Lead Vest
+- Food: Canned Food (pre-war!), MREs, Radiation Pills
+- Materials: Uranium, Lead, Steel, Radioactive Waste
+- Special: RADIATION DAMAGE without Hazmat! Mining uranium worth 350,000g!
+```
+
+### **6. MYTHICAL HIGHLANDS** 🏔️✨
+```
+LOCATION: Mountain peaks (various locations)
+DISCOVERY: Must travel
+DIFFICULTY: ⭐⭐⭐⭐ Hard + Cold!
+
+UNIQUE CONTENT:
+- Creatures: **Dragons (3 types!)**, Griffins, Unicorns, Pegasus, Phoenix, Chimera
+- Plants: **Cloud Flowers (float!)**, Dragon Fruit, Crystal Mushrooms
+- Trees: **Crystal Wood (TRANSPARENT!)**, Enchanted Wood
+- Enemies: Dragon Zombies, **Thunder Dragon BOSS**
+- NPCs: **Cyclops (3 types!)**, Mountain Hermit, Sky Mage
+- Buildings: Sky Temple, Dragon's Nest, Crystal Tower, Cloud Platform
+- Weapons: **Mythril Sword**, Dragon Bone Spear, Griffin Bow, Unicorn Lance
+- Armor: **Dragon Scale Armor (BEST!)**, Pegasus Cape (glide!), Mythril Crown
+- Food: **Dragon Steak**, Phoenix Omelet, **Ambrosia (god food!)**, Cloud Bread
+- Materials: **Mythril Ore**, Dragon Scales, Phoenix Ash, Cloud Essence
+- Special: TAME BABY DRAGONS! Flying mount (80 km/h!)
+```
+
+### **7. ARCTIC ZONE** ❄️
+```
+LOCATION: Far north
+DISCOVERY: Must travel
+DIFFICULTY: ⭐⭐⭐⭐ Hard (FREEZING!)
+
+UNIQUE CONTENT:
+- Animals: Polar Bears, Arctic Wolves, Penguins, Seals, Walrus, Mammoths
+- Plants:Ice flowers, Tundra shrubs
+- Trees: Frozen trees, icebound wood
+- Enemies: Frozen Zombies, Frost Wraiths, **Ice Dragon**
+- NPCs: Inuit Hunter, Arctic Explorer
+- Buildings: Igloo, Ice Fortress, Research Station
+- Weapons: Ice Spear, Frost Hammer
+- Armor: **Fur Coat (REQUIRED!)**, Thermal Pants, Ice Boots
+- Food: Seal Meat, Arctic Fish, Blubber
+- Materials: Ice Crystals, Frozen Wood
+- Weather: **PERMANENT BLIZZARD!** -30°C!
+- Special: Tame Mammoth! Ice fishing!
+```
+
+### **8. WITCH FOREST** 🌑🧙
+```
+LOCATION: 45km W from base
+DISCOVERY: Must travel
+DIFFICULTY: ⭐⭐⭐ Medium (spooky!)
+
+UNIQUE CONTENT:
+- Creatures: Witches, Black Cats, Cursed Ravens, Shadow Beasts
+- Plants: **Shadow Berries**, Cursed Mushrooms, Witch Herbs, Haunted Flowers
+- Trees: **Shadow Wood (PURE BLACK!)**, Dark Oak
+- Enemies: Witch Zombies, **Shadow Witch BOSS**
+- NPCs: Hedge Witch, Potion Seller, Cursed Villager
+- Buildings: Witch Hut, Cauldron Station, Dark Altar, Enchanted Garden
+- Weapons: Witch Staff, Cursed Dagger, **Broom (ride + melee!)**, Shadow Bow
+- Armor: Witch Robe, Pointy Hat, Shadow Cloak (stealth!), Cursed Boots
+- Food: Witch's Brew, Cursed Apples, Shadow Soup, Magic Tea
+- Materials: Shadow Essence, Cursed Gems, Witch Hair
+- Special: LEARN DARK MAGIC! Brew potions!
+```
+
+### **9. ATLANTIC OCEAN / ATLANTIS** 🌊
+```
+LOCATION: Coastal / Underwater (offshore!)
+DISCOVERY: Must discover coast → dive deep!
+DIFFICULTY: ⭐⭐⭐⭐ Hard (underwater!)
+
+UNIQUE CONTENT:
+- Creatures: Mermaids, Sea Serpents, Giant Squid, Sharks, Dolphins
+- Plants: **Kelp Forest (farm!)**, Coral, Sea Anemones, Underwater Lotus
+- Enemies: Deep Sea Zombies, **Kraken BOSS**
+- NPCs: Mer-King, Atlantean Citizen, Marine Biologist
+- Buildings: **Underwater Dome (air bubble!)**, Coral House, Atlantean Temple, Submarine Dock
+- Weapons: **Trident**, Coral Sword, Harpoon Gun, Pearl Staff
+- Armor: **Diving Suit (REQUIRED!)**, Shell Armor, Pearl Necklace (+breath!), Flippers
+- Food: Kelp Noodles, Pearl Oysters, Deep Sea Fish, Atlantean Bread
+- Materials: Pearls, Coral, Shells, Sea Glass
+- Special: UNLIMITED underwater exploration with gear! Mermaid breeding!
+```
+
+### **10. VOLCANIC HELLSCAPE** 🌋
+```
+LOCATION: Geothermal area
+DISCOVERY: Must travel
+DIFFICULTY: ⭐⭐⭐⭐⭐ EXTREME (HOT!)
+
+UNIQUE CONTENT:
+- Creatures: **Fire Dragons**, Lava Golems, Phoenixes, Hell Hounds
+- Plants: Lava Flowers, Fire Ferns (rare!)
+- Trees: Charred Wood, Obsidian Trees
+- Enemies: Fire Zombies, **Phoenix BOSS**, Lava Elementals
+- NPCs: Fire Mage, Volcano Researcher
+- Buildings: Lava Forge (best smithing!), Obsidian Tower, Fire Temple
+- Weapons: Flame Sword, Lava Hammer, Phoenix Staff
+- Armor: **Fire-Resistant Suit (REQUIRED!)**, Obsidian Armor, Phoenix Feather Cape
+- Food: Fire Fruit, Lava-Cooked Meat (instant BBQ!)
+- Materials: Obsidian, Lava Rock, Phoenix Feathers, Magma Crystals
+- Weather: **VOLCANIC ERUPTIONS!** (3% chance!)
+- Special: PHOENIX revive (if tamed, brings you back to life once/day!)
+```
+
+### **11. EGYPTIAN DESERT** 🏜️
+```
+LOCATION: 80km SE (anomaly portal!)
+DISCOVERY: Must travel
+DIFFICULTY: ⭐⭐⭐ Medium (HOT!)
+
+UNIQUE CONTENT:
+- Creatures: Mummies, Giant Scarabs, Giant Scorpions, Cobras, Sphinxes, Jackals, Camels
+- Plants: Cacti, Desert Flowers, Palm Trees
+- Trees: Date Palms, Dead Wood
+- Enemies: Mummy Zombies, **Pharaoh BOSS**
+- NPCs: Archaeologist, Bedouin Trader, Tomb Keeper
+- Buildings: **Pyramid (explore!)**, Sphinx, Tomb, Oasis Settlement
+- Weapons: Khopesh (curved sword!), Scarab Staff, Cobra Whip
+- Armor: Pharaoh Robes, Mummy Wraps, Desert Turban, Sandstorm Mask
+- Food: Dates, Figs, Desert Bread, Camel Milk
+- Materials: Sand (glass!), Gold, Lapis Lazuli, Papyrus
+- Weather: **SANDSTORMS!** (8% chance - 3m visibility!)
+- Special: TREASURE in pyramids! Tame camels!
+```
+
+### **12. PIRATE COVE** 🏴‍☠️
+```
+LOCATION: Coastal
+DISCOVERY: Must travel to shore
+DIFFICULTY: ⭐⭐⭐ Medium
+
+UNIQUE CONTENT:
+- Creatures: Pirates, Parrots, Sea Turtles, Crabs
+- Plants: Tropical Flowers, Palm Trees, Seaweed
+- Trees: **Palm Wood**, Bamboo
+- Enemies: Pirate Zombies, **Pirate Captain BOSS**
+- NPCs: Pirate Crew, Merchant Sailor, Fisherman
+- Buildings: **Pirate Ship (player can own!)**, Dock, Tavern, Treasure Cave
+- Weapons: Cutlass, Flintlock Pistol (rare!), Harpoon, Anchor (melee!)
+- Armor: Pirate Hat, Captain's Coat, Leather Boots, Eye Patch (cosmetic!)
+- Food: Rum, Seafood, Hardtack, Tropical Fruit
+- Materials: Rope, Sail Cloth, Ship Wood, Treasure Chests
+- Special: SAIL A SHIP! Naval combat! Buried treasure maps!
+```
+
+### **13. MUSHROOM FOREST** 🍄
+```
+LOCATION: 25km from base (nearby!)
+DISCOVERY: Easy to find
+DIFFICULTY: ⭐⭐ Easy-Medium
+
+UNIQUE CONTENT:
+- Creatures: Giant Mushroom Creatures, Spore Sprites, Fungus Trolls, Mushroom Golems, Truffle Pigs
+- Plants: **Giant Mushrooms (50+ types!)**, Spore Clouds, Mycelium
+- Trees: Mushroom Trees (wood alternative!)
+- Enemies: Spore Zombies, **Mushroom King BOSS**
+- NPCs: Mycologist, Mushroom Farmer, Fungus Alchemist
+- Buildings: Mushroom House (grow your own!), Spore Lab, Mycelium Farm
+- Weapons: Spore Staff, Mushroom Shield
+- Armor: Mushroom Cap Hat, Mycelium Armor (organic!)
+- Food: **Hundreds of mushrooms!** (food + alchemy!), Spore Bread, Truffle Delicacy
+- Materials: Spores, Mushroom Caps, Mycelium, Truffles (1,500g/day from pig!)
+- Special: FARM GIANT MUSHROOMS! Truffle hunting with pigs!
+```
+
+### **14. MEDIEVAL CASTLE** 🏰
+```
+LOCATION: Mountain fortress
+DISCOVERY: Must travel
+DIFFICULTY: ⭐⭐⭐⭐ Hard (hostile!)
+
+UNIQUE CONTENT:
+- Creatures: Dragons (castle guardians!), Knights, Horses
+- Plants: Castle Garden Flowers, Herb Garden
+- Enemies: **Knight Zombies (armored!)**, Ghost Knights, **Dragon Knight BOSS**
+- NPCs: King (if castle restored!), Knight, Blacksmith, Alchemist
+- Buildings: **CASTLE (player can claim!)**, Throne Room, Armory, Dungeon, Tower
+- Weapons: **Longsword**, Lance, Crossbow, War Hammer, Mace
+- Armor: **Full Plate Armor**, Knight Helmet, Shield (various), Chainmail
+- Food: Medieval Feast (roasted meats!), Mead, Bread, Cheese
+- Materials: Stone, Iron, Steel, Banners
+- Special: CLAIM CASTLE! Become royalty! Host medieval tournaments!
+```
+
+### **15. STEAMPUNK CITY** 🏭⚙️
+```
+LOCATION: Industrial ruins
+DISCOVERY: Must travel
+DIFFICULTY: ⭐⭐⭐ Medium
+
+UNIQUE CONTENT:
+- Creatures: Steam Robots, Clockwork Creatures, Automatons
+- Plants: Industrial Plants (rare!)
+- Trees: Metal Trees (decorative!)
+- Enemies: Robot Zombies, **Steampunk Mech BOSS**
+- NPCs: Engineer, Inventor, Steam Mechanic
+- Buildings: **Factory (produces items!)**, Clocktower, Steam Workshop, Gear Foundry
+- Weapons: **Steam Gun**, Gear Sword, Wrench (melee!), Clockwork Crossbow
+- Armor: **Steampunk Suit**, Goggles, Gear Shield, Mechanical Arm
+- Food: Industrial Rations, Canned Goods, Steam-Cooked Meals
+- Materials: Gears, Steam Pipes, Brass, Copper, Oil
+- Special: BUILD AUTOMATONS! Steam-powered vehicles!
+```
+
+### **16. WILD WEST** 🤠
+```
+LOCATION: 90km W (ghost town!)
+DISCOVERY: Must travel
+DIFFICULTY: ⭐⭐⭐ Medium
+
+UNIQUE CONTENT:
+- Creatures: Wild Horses, Bison, Coyotes, Rattlesnakes
+- Plants: Tumbleweeds, Cacti, Desert Sage
+- Trees: Dead Trees, Sagebrush
+- Enemies: Cowboy Zombies, **Outlaw Sheriff BOSS**
+- NPCs: Cowboy, Saloon Owner, Gunslinger
+- Buildings: **Saloon**, Sheriff's Office, Bank, General Store (ruins!)
+- Weapons: **Revolver** (rare!), Lasso, Tomahawk, Lever-Action Rifle (rare!)
+- Armor: Cowboy Hat, Duster Coat, Spurs, Sheriff Badge
+- Food: Beans, Beef Jerky, Whiskey, Cornbread
+- Materials: Leather, Wood, Rope, Gold Nuggets
+- Special: QUICK DRAW duels! Tame wild horses! Gold rush!
+```
+
+### **17. MEXICAN CENOTES** 🇲🇽
+```
+LOCATION: 70km (cave system!)
+DISCOVERY: Must travel
+DIFFICULTY: ⭐⭐⭐ Medium (underwater caves!)
+
+UNIQUE CONTENT:
+- Creatures: Bats (giant!), Cave Fish, Underground Lizards, **Cyclops (cave type!)**
+- Plants: Cave Moss, Underground Flowers, Vines
+- Enemies: Cave Zombies, **Cave Cyclops BOSS**
+- NPCs: Cave Explorer, Mayan Descendant
+- Buildings: **Cenote Pool (swim!)**, Cave Dwelling, Mayan Temple (ruins!)
+- Weapons: Obsidian Blade, Cave Spear
+- Armor: Cave Diver Suit, Mayan Ceremonial Garb
+- Food: Cave Fish, Underground Mushrooms, Bat Soup
+- Materials: Obsidian, Cave Crystals, Limestone
+- Special: UNDERWATER CAVE DIVING! Discover Mayan treasures!
+```
+
+### **18. CYBERPUNK RUINS** 🌃
+```
+LOCATION: City outskirts
+DISCOVERY: Must travel
+DIFFICULTY: ⭐⭐⭐⭐ Hard (tech enemies!)
+
+UNIQUE CONTENT:
+- Creatures: Robots, Cyborgs, Drones, Holograms
+- Plants: Neon Plants (glowing!), Bio-Tech Flowers
+- Enemies: Cyborg Zombies, **AI BOSS**
+- NPCs: Hacker, Cyberpunk Merchant, Rogue AI (friendly!)
+- Buildings: **Neon Tower**, Data Center, Tech Lab, Holo-Bar
+- Weapons: **Plasma Rifle** (future!), Laser Sword, EMP Grenade, Hack Tool
+- Armor: **Cyber Suit**, Neon Jacket, Holo-Visor, Tech Gloves
+- Food: Synth Food, Energy Drinks, Ramen, Cyberpunk Snacks
+- Materials: Circuits, Nano-Tech, Holo-Screens, Cyber Implants
+- Special: HACK systems! Get cyber upgrades!
+```
+
+### **19. LOCH NESS (Scottish Lake)** 🏴󠁧󠁢󠁳󠁣󠁴󠁿
+```
+LOCATION: 120km (lake region!)
+DISCOVERY: Must travel (FAR!)
+DIFFICULTY: ⭐⭐⭐⭐ Hard
+
+UNIQUE CONTENT:
+- Creatures: **NESSIE (Loch Ness Monster!)**, Giant Fish, Scottish Deer
+- Plants: Highland Flowers, Heather, Lake Reeds
+- Trees: Scottish Pine, Birch
+- Enemies: Highland Zombies, **Nessie (can befriend OR fight!)**
+- NPCs: Scottish Highlander, Fisherman, Bagpiper
+- Buildings: **Highland Castle**, Stone Cottage, Fishing Dock
+- Weapons: Claymore, Scottish Dirk, Bagpipes (weapon!)
+- Armor: Kilt (yes!), Tartan Cloak, Highland Boots
+- Food: Haggis, Scottish Salmon, Whisky, Shortbread
+- Materials: Highland Stone, Wool, Lake Pearls
+- Special: **TAME NESSIE!** Ride the monster! 🦕
+```
+
+### **20. ENCHANTED GARDEN** 🌺✨
+```
+LOCATION: Hidden portal (find in forest!)
+DISCOVERY: Secret entrance (quest!)
+DIFFICULTY: ⭐⭐ Easy (PEACEFUL!)
+
+UNIQUE CONTENT:
+- Creatures: Fairies, Unicorns, Talking Animals, Butterflies (giant!)
+- Plants: **EVERY FLOWER!** Magical Plants, **Cherry Blossoms (PINK!)**, Rainbow Roses
+- Trees: **Cherry Wood (PINK FURNITURE!)**, **Enchanted Wood (GLOWING!)**, Fruit Trees (all types!)
+- Enemies: NONE! (peaceful zone!) – unless corrupted (rare event)
+- NPCs: Fairy Queen, Garden Keeper, Unicorn
+- Buildings: **Fairy Castle**, Enchanted Greenhouse, Rainbow Bridge, Flower Palace
+- Weapons: Fairy Wand, Flower Staff (peace-only!)
+- Armor: Fairy Wings (cosmetic + flight!), Flower Crown, Petal Dress
+- Food: **Enchanted Fruit** (+magic!), Fairy Bread, Nectar, Ambrosia
+- Materials: **Cherry Wood (PINK!)**, **Enchanted Wood (GLOWS!)**, Fairy Dust, Rainbow Petals
+- Special: NO COMBAT! Perfect for farming! PINK WOOD for furniture! ✨🌸
+```
+
+---
+
+## 🏗️ **BUILDING SYSTEM (Materials, NOT Gold!):**
+
+### **CLARIFICATION:**
+
+```
+❌ CANNOT just buy buildings with gold!
+✅ MUST gather materials + build manually/with zombies!
+
+EXAMPLE: NPC HOUSE (Small)
+```
+
+**WRONG:**
+```
+[Click "Build House"]
+[Pay 1,000 gold]
+[House appears!] ❌ TOO EASY!
+```
+
+**CORRECT:**
+```
+[Go to Build Menu]
+[Select "Small House"]
+
+MATERIALS REQUIRED:
+- 200× Wood (chop trees!)
+- 100× Stone (mine rocks!)
+- 50× Nails (craft from iron!)
+- 20× Glass (smelt sand!)
+- 10× Rope (craft from fiber!)
+
+[Gather all materials] (takes time or zombie workers!)
+
+[Place foundation at chosen location]
+
+BUILD OPTIONS:
+A) BUILD MANUALLY (player hammers, 8 hours!)
+B) ASSIGN ZOMBIE WORKERS (5 zombies, 1 day!)
+C) HIRE NPC BUILDER (costs 500g + materials, 6 hours!)
+
+[Construction begins!]
+[House finished after time!] ✅
+
+TOTAL COST:
+- Materials (gathered OR bought)
+- Time (8 hours player OR 1 day zombies)
+- Optional: Builder fee (500g)
+```
+
+---
+
+### **MATERIAL GATHERING:**
+
+```
+WOOD: Chop trees (axe)
+STONE: Mine rocks (pickaxe)
+IRON: Mine ore → Smelt in furnace → Iron bars
+GLASS: Dig sand → Smelt in furnace → Glass
+NAILS: Craft from iron bars at anvil
+ROPE: Craft from fiber (from plants!)
+CLOTH: Weave from wool/cotton at loom
+
+FREE if gathered yourself! ✅
+OR buy from NPCs (costs gold!)
+```
+
+---
+
+## 👥 **NPC FRIENDSHIP + ZOMBIE LENDING SYSTEM:**
+
+### **FRIENDSHIP LEVELS:**
+
+```
+EACH NPC HAS FRIENDSHIP: 0-100%
+
+LEVEL 1 (0-20%): Stranger
+- Basic shop transactions
+- Won't help you
+- Expensive prices (+20%)
+
+LEVEL 2 (21-40%): Acquaintance
+- Normal prices
+- Small discounts (5%)
+- Basic conversations
+
+LEVEL 3 (41-60%): Friend
+- Good discounts (10%)
+- Gives small gifts!
+- Shares gossip/tips
+
+LEVEL 4 (61-80%): Good Friend
+- Better discounts (15%)
+- **UNLOCKS: Zombie Lending!** ✅
+- Gives better gifts!
+- Invites to events
+
+LEVEL 5 (81-100%): Best Friend
+- BEST discounts (25%!)
+- **Can borrow multiple zombies!**
+- Gives rare gifts!
+- Marriage candidate (if applicable!)
+- Will help in emergencies!
+```
+
+---
+
+### **HOW TO INCREASE FRIENDSHIP:**
+
+```
+TALK TO NPC DAILY: +1%
+GIVE GIFTS (liked items): +5-15%
+COMPLETE QUESTS FOR NPC: +20%
+HELP IN EMERGENCIES: +30%!
+MARRY (if applicable!): +100% (instant best friend!)
+
+DECREASE FRIENDSHIP:
+Give hated items: -10%
+Ignore for 7 days: -5%
+Attack NPC: -100% (instant enemy!)
+```
+
+---
+
+### **ZOMBIE LENDING SYSTEM:**
+
+```
+[Reach Friendship Level 4 with NPC]
+
+[NPC approaches you next day]
+
+NPC: "Hey [Kai/Ana]! We're good friends now, right?
+I could really use some help on my farm...
+Could I maybe... borrow one of your zombie workers?
+Just for a few days! I'll make it worth your while!"
+
+OPTIONS:
+A) "Sure! Take one of my zombies!" ✅
+   [Lend 1 zombie for 3 days]
+   
+B) "I need them right now, sorry!"
+   [Decline, no penalty]
+
+C) "How about TWO zombies?" (if Level 5!)
+   [Lend 2 zombies for 3 days!]
+```
+
+---
+
+### **LENDING PROCESS:**
+
+```
+[You agree to lend zombie]
+
+YOUR ZOMBIES: 5 total
+[Select which zombie to lend:]
+- Zombie Worker #1 (Miner, Level 5)
+- Zombie Worker #2 (Farmer, Level 3) ✅
+- Zombie Worker #3 (Lumberjack, Level 4)
+- etc.
+
+[Select Zombie Worker #2]
+
+[Zombie walks to NPC's farm!]
+[Works for NPC for 3 days]
+
+YOUR FARM:
+- Zombies remaining: 4/5
+- Can still function! (slightly slower)
+
+NPC'S FARM:
+- Gets help from your zombie!
+- NPC is grateful! ❤️
+```
+
+---
+
+### **REWARDS AFTER LENDING:**
+
+```
+[3 days later]
+
+[Zombie returns to your farm!]
+
+NPC: "Thank you SO MUCH! Your zombie was a huge help!
+Here's a little something for your kindness!"
+
+REWARDS (RANDOM):
+- 1,000-5,000 gold! 💰
+- Rare blueprint! (furniture, weapon, etc!)
+- Stack of rare materials! (50× mythril, etc!)
+- Unique item! (NPC's specialty!)
+- Recipe unlock! (NPC teaches you!)
+- +10% friendship boost! ❤️
+
+SPECIAL REWARDS (Level 5 friends):
+- **Permanent discount (30%!)**
+- **Free service once/week!**
+- **Secret shop unlocked!** (rare items!)
+- **NPC will work for YOU sometimes!** (trades places!)
+```
+
+---
+
+### **EXAMPLES:**
+
+**EXAMPLE 1: Blacksmith NPC**
+```
+[Lend zombie to Ivan the Blacksmith]
+
+[3 days later, zombie returns]
+
+IVAN: "Your zombie helped me finish urgent orders!
+Here, take this weapon I crafted for you!"
+
+REWARD: **Legendary Steel Sword** (worth 5,000g!)
++ Recipe: "Master Swordsmithing" unlocked!
++ Ivan's Friendship: +10% (now 85%!)
+```
+
+**EXAMPLE 2: Farmer NPC**
+```
+[Lend zombie to Marija the Farmer]
+
+[3 days later]
+
+MARIJA: "We harvested SO MUCH with your zombie!
+Take half the crops!"
+
+REWARD: 200× Wheat, 100× Corn, 50× Potatoes
+Value: ~2,000g!
++ Recipe: "Farm Efficiency" (crops grow 5% faster!)
++ Marija's Friendship: +10% (now 72%!)
+```
+
+**EXAMPLE 3: Merchant NPC**
+```
+[Lend 2 zombies to Gregor the Merchant - Level 5 friend!]
+
+[3 days later]
+
+GREGOR: "Your zombies helped me move inventory!
+Here's your cut of the profits!"
+
+REWARD: **10,000 GOLD!!!** 💰💰💰
++ **Permanent VIP Status** (30% discount forever!)
++ **Secret Luxury Shop** unlocked! (sells rare items!)
++ Gregor's Friendship: 100% (maxed!)
+```
+
+---
+
+## ✅ **COMPLETE SYSTEMS SUMMARY:**
+
+### **20 BIOMES:**
+- Each with unique plants, trees, animals, enemies
+- Each with unique weapons, armor, food, buildings
+- Must explore to unlock! (25% → 100% rewards!)
+
+### **BUILDING:**
+- Materials required! (wood, stone, glass, etc!)
+- Can't just buy with gold! ✅
+- Manual build OR zombie workers OR hire NPC builder!
+
+### **NPC FRIENDSHIP:**
+- 5 levels (Stranger → Best Friend)
+- Increase via gifts, quests, daily talk
+- Level 4: Unlock zombie lending!
+- Level 5: Best rewards!
+
+### **ZOMBIE LENDING:**
+- Lend zombies to friendly NPCs!
+- They work for NPC 3 days
+- Return with rewards! (gold, items, blueprints!)
+- Better friendship = better rewards!
+
+---
+
+**📁 ALL SYSTEMS DOCUMENTED IN 16 NEW FILES!**
+**🎮 READY FOR INTEGRATION INTO FINAL_GAME_CONTENT_IN_OUT.md!**