diff --git a/docs/game_design/GAME_BIBLE.md b/docs/game_design/GAME_BIBLE.md
index d29f08fb6..8abce09ef 100644
--- a/docs/game_design/GAME_BIBLE.md
+++ b/docs/game_design/GAME_BIBLE.md
@@ -618,24 +618,30 @@
 **World Size:** Procedurally generated, MASSIVE
 
 **18 Biomes:**
-1. Grasslands (Travnik)
-2. Forest (Gozd)
-3. City Ruins (Mesto)
-4. Industrial Decay
-5. Underground Bunkers
-6. Ancient Catacombs
-7. Swamps (Bioluminescent fungi!)
-8. Desert Wasteland
-9. Snow/Tundra
-10. Mountains
-11. Coastal Regions
-12. Lakes
-13. Rivers
-14. Volcanic Zones
-15. Chernobyl (High radiation!)
-16. Ancient Ruins
-17. Ocean Floor
-18. **Atlantis** (High-tech underwater ruins)
+
+**NORMAL BIOMES (9):**
+1. **Grassland** (Travnik) - Home base, starting farm area
+2. **Forest** (Gozd) - Dense trees, mushrooms, moss
+3. **Desert** - Sandy wasteland, cacti, bleached bones
+4. **Mountain** (Gore) - Rocky peaks, boulders, snow patches
+5. **Swamp** (Močvirje) - Foggy wetlands, dead trees, murky water
+6. **Snow** (Frozen Tundra/Arktika) - Ice sheets, blizzards, frozen trees
+7. **Wasteland** - Post-apocalyptic ruins, rubble, scrap metal
+8. **Tropical** - Beach, palm trees, coconuts, clear water
+9. **Radioactive Zone** - Glowing rocks, toxic puddles, mutant plants
+
+**ANOMALOUS BIOMES (9) - Portal/Train Access:**
+10. **Dino Valley** - Prehistoric! Dinosaur footprints, fossils, cycad trees
+11. **Mythical Highlands** - Magical! Floating rocks, crystals, rainbows
+12. **Endless Forest** - WITCH FOREST! Ancient trees, mystery fog, cryptids
+13. **Loch Ness** - Scottish highlands! Heather, castle ruins, dark loch
+14. **Catacombs** - Underground! Bones, tombs, skulls, ancient urns
+15. **Egyptian Desert** - Pyramids! Hieroglyphs, scarabs, sand dunes
+16. **Amazon Rainforest** - Jungle! Piranhas, tribal totems, **AXOLOTLS**
+17. **Atlantis** - Underwater! Coral reefs, ruins, **AXOLOTLS**, pearls
+18. **Chernobyl** - FINAL ZONE! Reactor ruins, radiation, Soviet relics
+
+**Source:** `/src/systems/BiomeSystem.js` (verified 2026-01-06)
 
 **27 Towns:**
 - Each with unique NPCs