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A biome is a region on a planet with a certain set of features. The biome of each planet is determined by the terrain. Planet biomes can also appear as smaller sub-biomes on other planets, and unique non-planetary biomes an be found on other planets or underground. Examples of biomes encountered in Starbound are Forest, Desert, and Snow. While a given biome will always have the same general features, the specific characteristics of that biome can be radically different on different planets.[1] More difficult biomes appear in higher sectors.

The word biome is akin to it's scientific usage: on Earth, a biome is climatically and geographically defined by specific communities of plants, animals, and other organisms supported by similar climate conditions. They are also referred to as ecosystems.

See also: Terrain





Arid biomes have a distinct badlands feel to them. There's lots of tightly-packed sand, and rocky structures. The surface is comprised mainly of hardened sand and hardened dirt. Trees are very uncommon, and grass is plentiful, despite the dry climate. There is no rainfall in this biome, and temperatures remain high throughout both day and night, although slightly less than the desert biome. One can occasionally find floating mounds of dirt, often supported by dirt backgrounds.




Desert biomes consist of several sand varieties which litter their surface, which are fine sand, sand, and sandstone. Water is scarce and incredibly rare in this biome, and temperatures are never low enough to incur freezing, even at night. There is usually a complete lack of plant life, commonly occur sandstorms and rain is non-existent.




Forest biomes have an abundance of trees. Small patches of water can be found at surface level, and rainfall is fairly common. This biome can become surprisingly cold at night on occasion, especially during rainfall. The great abundance of rookie materials, fair weather, and general lack of difficult terrain makes this biome ideal for new players and starting characters.




Grassland biomes consist of shallow, rolling hills with very limited amounts of trees. Hazardous terrain obstacles, such as spike traps, can be occasionally found at surface level. Fields consisting of various red, yellow, and blue flowers are commonly found. The temperature remains somewhat mild at both day and night. Rainfall is possible within this biome. The backdrop is characterized by its unique layering sections of grass fading into a mountain range, giving the impression that the grasslands extend well beyond the two-dimensional perspective of the game.




Jungle biomes are characterized by their abundance of large trees and thick surface-level plant coverage. Mud and clay can be found commonly within this biome, even on the surface. Rain is more common in this biome than any other, and large pools of water can be found scattered at random. Vines are commonly found growing in the entrances of caves quite commonly. The temperatures in this biome are generally high, although there is potential for them to dip during nighttime rain showers.



Alien biomes have some similarities with jungles and forests, vegetation is everywhere and is strange looking. In this biomes exists stronger enemies than the commonly ones and bio-samples can be obtained for destroying shrubs, also in this biomes the water is replaced with Alien juice



The magma biome is the first variant of the lava biomes encountered in the game, and is the easiest. The surface consists of large amounts of magmarock with dirt and ash blocks intermixed. There are many small hills dotting the landscape, and pools of lava can be found commonly. There are trees in this biome, although they may be metallic in appearance and difficult to harvest. There is no water present but there can be rain and crops can be grown on imported earth, and temperatures are constantly warm and never freezing.




Moon biomes are very cold at all times. They also tend to have a high concentration of ore and complete lack of trees. There is no weather present in this biome, and the entirety of this biomes surface consists of moon rock, moon stone and moon dust. There is no living plant life, and survival is very difficult in exchange for the large mineral content found within this biome, especially underground. This biomes are also the unique ones with Liquid erchius fuel, found deep below.




Savannah biomes appear as barren grasslands and hills, with occasional strips of continuous short-grass. They are comprised of dirt, cobblestone, and dry sand. The occasional body of water can be found, along with that quarries of stone are often exposed on the surface. Trees are not exceeding rare, nor are they over in abundance.




Ocean biomes appear as more like a desert or drained ocean, with the occasional ocean flora seen. Bodies of water, even large ones, are rarely seen. The water underground exhibits a unique characteristic. If an underground body of water is drained, the water will increase dramatically in volume and begin to rise. They were removed due to parallax bugs.




Snow biomes consist of snow, slush, and ice. They differ from arctic and tundra biomes in their terrain generation and difficulty. Snow biomes are the easiest of the frozen biomes, appearing early on in the player's adventure. They are characterized by their rolling, somewhat abrupt hills, large ice patches, frozen "ice" trees, and inhospitable temperatures. There is no rainfall within this biome, as it is replaced entirely by snow. Early players must take caution upon entering this biome, as the cold can quickly kill players without proper gear.




Tentacles biomes have tentacles in the background. They feature a surface of corrupted dirt blocks, dire stone and large tentacle like trees. Rainfall in this biome is acidic and damages unprotected players. Additionally, tentacle biomes possess their own unique soundtrack, and an unique planet background in space.




The tundra is a somewhat barren, high-level snow biome. It consists of large ice patches with shallow snow and slush hills. There is a lack of trees on the biome's surface, and like all other frozen biome types, rain is replaced with snowfall. Temperatures can be brutally cold in these biomes, with even the most prepared players facing the risk of freezing.




Volcanic biomes consist of surface level magmarock with many small pools of lava. There are somewhat steep cliffs, and the ground is difficult to mine through. Trees do appear, although they are rare, and sometimes metal-coated and difficult to harvest. There is no rain in this biome, and the temperature is constantly high.




Crystal biomes have a crystalline look and feel to them. The surface features many crystal replacements for typical plant life, including crystal trees, large crystal rocks, and crystalline-looking grass. The underground features crystals,as well. Several unique exploration tracks can be heard upon visiting these biomes as well.


flesh biome

A biome can be found both underground and above ground that contains Flesh Blocks, Bone Blocks, and pools of blood. No music plays in this biome, the only background sound is a soft ambient cave noise. While above ground, giant flesh strands can be harvested.

Tar Biome

a Tar biome is a biome with tar, and with pools of watery tar. you can find bones there, and some times you can find a couple of trees. This are very commonly found on desert planets at surface level More.


These biomes exist in the code, but are not in any of the sectors in the celestial.config by default. The pictures below were obtained from an edited celestial.config file.



Arctic biomes have ice, snow, and slush. They also have bodies of water everywhere on the surface, and occasionally ones that are screenwide. Water underground exhibits the same characteristic as sub-surface water in ocean biomes. There is only snowfall in these biomes, and temperatures are bitterly cold. Hills and surface level caves are common, and much more ice can be found on the surface level. Trees, including "ice" trees, are more scarce on this biome than the general snow biome. They were removed due to parallax bugs.


Bugs & Anomalies

Bug : Ice planets may appear really close to a sun and deserts/volcanic planets may appear far from a sun.
Bug : Plants in the jungle biome and others sound like breaking jars.
Bug : There are clouds over Asteroid Fields and Moons.


Geography: Light • Day-night cycle • Terrain • Biome • Weather • Planet Core

Space: Coordinates • Star System • Star • Asteroid Field • Gate • Planet • Moon
Generated structures: Cave • Dungeon • Microdungeon • Ore vein • Tree • Village
Matter: Blocks • Liquids • Entities (Monsters • The Player) • Items • Renewable Resources
Sound: Ambience • Music