Satisfactory’s world has 21 named biomes, but you only choose between four starting areas: Grass Fields, Rocky Desert, Northern Forest, and Dune Desert. The wiki rates each on terrain difficulty, biomass amount, and hostility (all on a 1–5 scale where 1 is easiest/lowest and 5 is hardest/highest), so “best biome” is not opinion — it is a measurable trade between how easy the land is to build on and what it gives you. Your starter choice sets the tone for the first ten hours: a flat field lets you build fast, while a node-rich desert pays off later but fights you early. This guide ranks the four starting biomes from that real data and then points you to the later-game biomes that matter for oil and coal.
The four starting biomes, by the numbers
| Starting biome | Biomass | Terrain difficulty | Hostility | Wiki description |
|---|---|---|---|---|
| Grass Fields | 3 (moderate) | 1 (easiest) | 2 | Large open grassy area, often with impure nodes. Stone arches are the landmarks. |
| Rocky Desert | 3 (moderate) | 3 | 3 | Open desert rich with Resource Nodes; contains the world’s highest point and longest cave. |
| Northern Forest | 4 (high) | 3 | 2 | Grassy area with hills and moderate biomass; uneven ground makes early building hard without Foundations. |
| Dune Desert | 2 (low) | 2 | 2 | Huge open desert; grouped biomass only in tree oases, making early game considerably more challenging. |
Best by starting goal
Easiest to build: Grass Fields
Grass Fields is the only starting biome with terrain difficulty 1, and the wiki calls it a “large open grassy area” — flat, open, and forgiving. Its biomass is moderate (3) and it commonly has impure resource nodes, which are fine for a first base. If you are learning the game, this is the safe pick: you spend time building factories, not fighting the landscape.
Best for resources: Rocky Desert
Rocky Desert is the resource king. The wiki states it is “rich with Resource Nodes” and houses the world’s highest point and longest cave. The cost is real — terrain difficulty 3 and hostility 3 — so you will flatten more land and fight more creatures. Choose it when your priority is a resource-dense production hub over easy construction.
Most biomass: Northern Forest
Northern Forest tops the starting four at biomass 4 (high), which matters if you plan to burn a lot of organic fuel or need biomass for early power. The catch is terrain difficulty 3: the hills make base layout awkward until you unlock and spam Foundations. Good for a biomass-focused start, awkward for a tidy factory.
Hardest start: Dune Desert
Dune Desert is the expert option. The wiki is blunt that its biomass “is only available in the tree oases,” which “makes early game considerably more challenging.” With biomass 2, terrain 2 and hostility 2, it offers no beginner advantage — skip it unless you want a self-imposed challenge.
The broader world (21 biomes)
Beyond the four starts, the map holds 17 more biomes, several of which become important once you advance. The wiki’s biome list flags specific ones for late-game resources:
- Western Beaches — described as containing “many Oil Resource Nodes,” making it the go-to oil biome for plastic, rubber and fuel lines.
- Maze Canyons — named by the wiki as “one of the good spots for setting up Coal Power,” though terrain difficulty 4 and night-spawn creatures make it hazardous.
- Western Dune Forest — also called “one of the good spots for Coal Power,” with lakes and a small waterfall.
- Red Bamboo Fields / Red Jungle — biomass 5 and hostility 5: resource-rich but dangerous, for when you can handle the threats.
- Swamp / Titan Forest — high hostility (5) with large caves; not starter territory.
The takeaway: your starting biome is about build comfort and early resources (Grass Fields for ease, Rocky Desert for nodes), while your expansion biomes are about specific tiers — Western Beaches for oil, the canyon forests for coal.
What the ratings mean in practice
The wiki’s three ratings are the whole story for day-one comfort:
- Terrain difficulty (1–5) is the biggest factor. At 1 (Grass Fields) you can drop a foundation almost anywhere and your factory lines stay straight; at 3–5 (Rocky Desert, Red Jungle, Swamp, Titan Forest) you will spend real time terraforming, stacking Foundations, or accepting awkward layouts. Grass Fields is the only starting biome at 1.
- Biomass (1–5) matters if you run biofuel or need organic input early. Northern Forest (4) and the late-game Red biomes (5) are richest; Dune Desert (2) is starved unless you hunt oases.
- Hostility (1–5) tracks how dangerous the wildlife is. Rocky Desert (3) is the most hostile start; Grass Fields and Northern Forest sit at 2, which keeps early deaths low while you are still figuring out power.
Node quality in each start
The wiki notes Grass Fields “often” has impure nodes — the lowest tier of resource node, which needs a Miner Mk.2 or a resource sink/purity setup to reach full throughput. That is a minor late-game tax, not a reason to avoid it, but it is worth knowing before you design around a node you plan to overclock. Rocky Desert’s appeal is simply the quantity of nodes rather than their purity; you will still find a mix of impure, normal and pure nodes there as everywhere else. The practical move is to build your first base near whatever normal or pure node you can find in your chosen biome, and treat impure nodes as overflow once you have the miners to exploit them.
How to choose without overthinking
- First playthrough / learning: Grass Fields. Terrain 1 means you build fast and learn systems instead of fighting terrain.
- Optimized first base: Rocky Desert. More nodes, accept the harder land.
- Biomass-heavy start: Northern Forest, once you have Foundations.
- Challenge run: Dune Desert.
- Mid/late expansion: Western Beaches for oil, Maze Canyons or Western Dune Forest for coal.
For what to do after you pick, the beginner guide covers the first base, the factory guide handles layout, and best recipe helps you choose production lines. The exploration guide is where to plan trips to the oil and coal biomes, and automation guide covers scaling once you are settled.