ASTRONEER (NSP, XCI) ROM + v1.29.99.0 Update

ASTRONEER SWITCH ROM - Officially stylized in all caps, is a sandbox adventure game developed from independent developer System Era Softworks.

Genres Adventure
Realese Year 2022
Image Format NSP
Region USA
Latest Version
Language Chinese, Dutch, English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Spanish
Required Firmware 16.0.3
File Size 1GB

ASTRONEER officially stylized in all caps, is a sandbox adventure game developed from independent developer System Era Softworks. The game was released through early access in December 2016 before a full release on December 16, 2019. The player is tasked with colonizing planets, creating structures, and collecting resources.  The character is called an Astroneer and the player can travel to planets to activate cores and complete the game. There are often rewards given to the player upon completion of core activation, most notably a suit and/or visor.

Journey into the 25th-century Intergalactic Age of Discovery with Astroneer!  Unearth the universe’s mysteries, exploring harsh outer space frontiers while risking your life to discover rare findings. Collaborate with others, constructing bases above or below ground, crafting vehicles, and shaping the terrain to bring your imagination to life. Survive on meticulously crafted planets that can be entirely deformed and traversed. Play with friends in a 4-player online co-op and unravel the secrets of the solar system.



Astroneer is a sandbox adventure game played from a third-person view. Its open-world planets, wherein terraforming can take place, are subject to procedural generation, except for some planet-specific resources. The player controls an astronaut (called an Astroneer) who navigates on foot, by rover, through teleportation, or by spacecraft. Navigating the planet is essential for finding resources, including materials and research items.

Craftable items include rovers, printers, jets, buggies, tractors, spacecraft, storage silos, atmospheric condensers, research chambers, component smelters, batteries, generators, turbines, and solar panels. The game contains two base crafting materials, Resin, and Compound, which can be found in abundance on all planets. Other, more rare resources can be found while exploring planets, or by using smelters, chemistry labs, or atmospheric condensers.


Resources are used to create a variety of items when used by themselves or in combination with other materials using machines in the game. To craft more advanced items, players collect “bytes” which can be used to unlock new technology which is then available for crafting. When low on oxygen, the Astroneer recharges by using snails, portable oxygenators, or staying near craftable tethers, which can be chained from a base or oxygen-providing object over long distances to prevent suffocation while exploring.

As of the game’s full release, an “oxygenator” is required to provide extended reach of oxygen when tethering.  To use an “oxygenator”, you must either connect it to a shelter, or platform. Every Astroneer has a Terrain Tool, which allows the player to gather resources and reshape the landscape. Resources, such as organic material, quartz, lithium, ammonium, and resin, are neatly packaged by the Terrain Tool into convenient stacks.


These stacks can then be snapped into slots on the Astroneer’s backpack, storage units, research chambers, etc. Certain resources, such as titanite or clay, can be smelted or combined into more advanced materials. The Astroneer also has the option to research and craft upgrades to the Terrain Tool, which can be plugged and unplugged at will. Other than the Terrain Tool, the Backpack is the Astroneer’s main tool.

The Backpack functions as the player’s inventory and HUD, with two quick-use slots, eight storage slots, a basic 3D printer, a small internal power supply (shown by a column of yellow segments), and a built-in oxygen tank (shown as a horizontal blue bar). The Terrain Tool, which also has three slots that can be used for storage (or to attach modifications to the Terrain Tool), hangs from the side of the Backpack when not in use. The Backpack also contains the Research Catalog, which the player uses to unlock new crafting blueprints.



The game offers a more open-ended storyline that allows for creativity and self-paced progress, alongside optional tasks and missions that can result in lore and narrative via cutscenes and data logs. The player departs from a man-made interstellar spacecraft that is from an unknown planet and lands on Sylva, the starting planet. It is then up to the player to decide what to do. To advance the main storyline, the player must discover and activate an alien Gateway Chamber and dig into the planet.

There are different subterranean layers with varying difficulty, most notably containing hazards and terrain that becomes harder as you dig deeper into the planet. Once the player reaches the last layer, they need to dig down from an alien pylon. They travel to the Gateway Engine and activate it with a material that progressively gets harder to obtain, depending on the difficulty of the planet. The player must obtain 2 Geometric Tryptics and place one on a terminal on top of them and one to keep when they reach the satellite.


The player can safely warp to any Gateway Chamber that they have activated. This process is repeated for the rest of the planets and moons, Desolo, Calidor, Vesania, Novus, Glacio, and Atrox, listed from easiest to hardest. Once the player has procured all 8 tryptics, they can travel to a Gateway Portal and place them in their respective slots. An Odd Stone will appear in the middle. Interacting with it will roll the end scene and credits. It is also noted that there are other storylines for fun events and updates that keep gameplay fresh for repeat players.

These alternate storylines include The Wanderer’s Way mission, The Space Snail rescue mission, The Rails Update mission chain, The Awakening Update mission chain, Holiday Events, and numerous Easter Eggs. If the player completes the main story, rails, and space snail missions, along with producing nanocarbon alloy, a resource in the game, they can access the Awakening Update missions. This mission includes references to the community, the other missions, and the book “The Little Prince”, which is what some of the update themes are based on.



  • Reshape the ground with your deform tool, unleashing boundless creativity.
  • Craft and explore planets, adapting to their challenging landscapes.
  • Build bases and vehicles with snap-together components and objects.
  • Experience exciting drop-in/drop-out co-op with friends.
  • Delve into the universe’s enigmas on thrilling planetary adventures!

ASTRONEER (NSP, XCI) ROM + v1.29.99.0 Update Download


You are now ready to download ASTRONEER for free. Here are some notes:

  • Please read our MOD Info and installation instructions carefully for the game & app to work properly
  • Read the FAQ carefully for more details
  • Kindly report any broken, dead, incorrect, or missing links in the comment section.
  • Additionally, if you have any specific game requests, feel free to leave a comment, and I will do my best to add it within 24 hours. Your feedback is highly appreciated!
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