diff --git a/engine/src/worlds/collections/volcanic_world/biomes.json b/engine/src/worlds/collections/volcanic_world/biomes.json
new file mode 100644
index 00000000..8ffe5e4d
--- /dev/null
+++ b/engine/src/worlds/collections/volcanic_world/biomes.json
@@ -0,0 +1,61 @@
+{
+  "collection": "volcanic_world",
+  "biomes": [
+    {
+      "id": "volcanic_plains",
+      "name": "Volcanic Plains",
+      "color": [0.25, 0.18, 0.14],
+      "category": "volcanic",
+      "tags": ["is_dry"],
+      "temp_range": [0.6, 1.0],
+      "moisture_range": [0.0, 0.15],
+      "quality_range": [1, 3],
+      "flora_climax": { "canopy": 0.0, "undergrowth": 0.0, "fungi": 0.0 },
+      "fauna_capacity": 0,
+      "substrate_types": ["basalt", "regolith"],
+      "food_web_tier": "none"
+    },
+    {
+      "id": "lava_field",
+      "name": "Lava Field",
+      "color": [0.70, 0.15, 0.05],
+      "category": "volcanic",
+      "tags": ["is_volcanic", "is_dry"],
+      "temp_range": [0.88, 1.0],
+      "moisture_range": [0.0, 0.05],
+      "quality_range": [1, 2],
+      "flora_climax": { "canopy": 0.0, "undergrowth": 0.0, "fungi": 0.0 },
+      "fauna_capacity": 0,
+      "substrate_types": ["lava", "basalt"],
+      "food_web_tier": "none"
+    },
+    {
+      "id": "caldera",
+      "name": "Caldera",
+      "color": [0.45, 0.10, 0.08],
+      "category": "volcanic",
+      "tags": ["is_elevated", "is_volcanic"],
+      "temp_range": [0.75, 1.0],
+      "moisture_range": [0.0, 0.1],
+      "quality_range": [1, 3],
+      "flora_climax": { "canopy": 0.0, "undergrowth": 0.0, "fungi": 0.0 },
+      "fauna_capacity": 0,
+      "substrate_types": ["volcanic_rock", "basalt"],
+      "food_web_tier": "none"
+    },
+    {
+      "id": "basalt_highland",
+      "name": "Basalt Highland",
+      "color": [0.30, 0.25, 0.22],
+      "category": "volcanic",
+      "tags": ["is_elevated", "is_dry"],
+      "temp_range": [0.5, 1.0],
+      "moisture_range": [0.0, 0.1],
+      "quality_range": [1, 3],
+      "flora_climax": { "canopy": 0.0, "undergrowth": 0.0, "fungi": 0.0 },
+      "fauna_capacity": 0,
+      "substrate_types": ["basalt", "highland_basalt"],
+      "food_web_tier": "none"
+    }
+  ]
+}