PlanetSmith: Crafting a Voxel Sandbox Across Spherical Worlds
PlanetSmith is an upcoming sandbox survival RPG that asks a deceptively simple question: what if your Minecraft-style world really was a planet in a solar system you can fully explore? Built over five years by a solo developer, the game blends voxel building, survival mechanics, and space travel into a unified experience where every world is a fully spherical body you can circumnavigate, mine, reshape, and ultimately leave behind.
Inspired by the procedural galaxies of No Man’s Sky and the tactile construction of Minecraft, PlanetSmith pushes the classic blocky sandbox into a more physically coherent universe. Instead of an infinite flat map, your starting world is a compact globe hanging in space, complete with day/night cycles, gravity that points toward the center, and a sky that hints at other destinations. It is a fresh twist on a familiar genre, and its early crowdfunding success shows just how hungry players are for something that connects ground-level survival with cosmic exploration.
From Flat Maps to True Planets: A Different Take on Voxel Worlds
Most voxel survival games present an effectively boundless plane: terrain continues in all directions, but the world itself is conceptually flat. PlanetSmith rethinks that foundation by making each playable area a genuine planet, rendered as a sphere and governed by point-based gravity.
- Curved horizons: As you walk, the world curves away beneath you. Distant structures eventually disappear over the horizon, not into fog.
- Consistent gravity: Gravity always pulls toward the planet’s center, enabling features like orbiting debris and physically plausible projectiles.
- Finite yet rich space: Each planet is limited in surface area but dense with points of interest, caves, and resources.
This shift has two major effects on gameplay. First, it changes how you navigate and build: towers can literally be seen from the other side of the planet under the right conditions, and tunneling straight down has a clear geometric meaning. Second, it allows the game to embed planetary travel directly into the survival loop: reaching space is not an abstract menu option but a natural continuation of mastering life on a small, self-contained world.
The Five-Year Journey of a Solo Developer
PlanetSmith is being created primarily by a single developer under the Incandescent Games banner, a fact that shapes both the design and the pace of development. Solo-developed games like Stardew Valley and Undertale have shown how one-person projects can have coherent visions and distinct mechanical identities compared with larger studio titles. In the case of PlanetSmith, that vision centers on a technical and design challenge: merging fully spherical voxels, survival progression, and seamless transitions from ground to orbit.
According to the developer’s own devlogs and public videos, the early years of the project were spent experimenting with different approaches to spherical terrain and performance optimization. Traditional chunk-based voxel systems are straightforward on flat grids, but mapping those concepts onto a sphere without visible seams or distortions requires hybrid techniques. PlanetSmith uses custom data structures and terrain generation methods to keep both geometry and lighting consistent as you move around and above the globe.
That technical underpinning influences everything from how caves bend around the planet to how sunlight tracks across the sky. It is a reminder that ambitious indie games often begin as engineering experiments that slowly grow into playable worlds once the core problems are solved.
Kickstarter Momentum: Why the Campaign Took Off
When PlanetSmith launched on Kickstarter, it quickly surged past its relatively modest funding goal, raising several times the initial target within hours. While crowdfunding success does not guarantee a flawless release, it does indicate strong early interest and a community eager to be involved.
Several factors likely contributed to this momentum:
- Clear hook: “A voxel survival game where the world is a planet” is an immediately understandable concept that feels both new and grounded in familiar genres.
- Proven appetite for space sandboxes: The long-term commercial performance of games like No Man’s Sky and Starbound shows that players enjoy exploring procedural universes and discovering emergent stories along the way.
- Transparent development: The developer has shared progress through videos and posts, allowing backers to see tangible milestones rather than just concept art.
- Concrete roadmap: The campaign outlines alpha access and feature goals, giving supporters a sense of how their backing translates into playable builds.
It also helps that crowdfunding has matured as a platform. While early Kickstarter game campaigns sometimes oversold ambitious concepts without clear plans, modern backers tend to look for tangible prototypes, reasonable scope, and realistic timelines. PlanetSmith’s approach—pitching an already-playable core with room for expansion—fits that more cautious, informed environment.
Core Gameplay: Survival, Building, and the Path to Space
PlanetSmith aims to unify three pillars of gameplay into a continuous loop: surviving on a hostile world, building infrastructure, and eventually constructing the means to depart the planet entirely. The goal is not just to endure but to progress from stranded survivor to spacefaring builder.
Resource Gathering and Survival Systems
At the outset, players crash-land or otherwise arrive on a small spherical planet with limited gear. To persist, you must gather local materials—ores, biomass, stone, and other resources—while managing classic survival concerns like health and environmental threats.
While specifics continue to evolve in development, typical systems include:
- Health and hazards: Hostile creatures, harsh climates, and falls off cliffs pose continuous risk.
- Crafting trees: Basic tools unlock more efficient harvesting methods, which in turn open advanced technologies.
- Energy and power: Eventually, your base requires power generation and storage to run machinery.
The challenge for PlanetSmith is to keep these mechanics familiar enough to be accessible while tying them tightly to the planetary and space themes. For example, late-game resource shortages on a small world create a natural push to seek new materials elsewhere, rather than endlessly strip-mine the starting planet.
Voxel Construction With a Planetary Twist
Building lies at the heart of the experience. PlanetSmith lets you construct bases, vehicles, and potentially even orbital structures using voxel-based components. The curvature of the planet changes both aesthetics and function.
- Circular vistas: Tall towers offer sweeping views that wrap around the horizon, showcasing both your creations and the natural landscape.
- Strategic placement: Because the world is finite, location choices matter; you can realistically colonize an entire planet, not just a corner of an endless map.
- Vertical progression: Building upwards gradually transitions you from local survival into early atmospheric flight and, eventually, orbital construction.
The game encourages experimentation: you can carve into mountains, build ring-like structures that track the planet’s curve, and use elevation to your advantage when defending bases or managing line-of-sight.
From Atmosphere to Orbit: Seamless Space Travel
One of PlanetSmith’s headline features is seamless travel from the surface into space. Rather than loading screens or disconnected maps, you physically pilot vehicles upward, watching the sky darken and the planet shrink beneath you until it becomes a globe hanging against the backdrop of stars.
This approach mirrors techniques used in other space titles. For example, Hello Games has discussed how No Man’s Sky uses procedural generation and streaming systems to allow smooth transitions between atmosphere and orbit without explicit cut scenes. PlanetSmith applies related ideas on a smaller, voxel-based scale, focusing on fewer but more detailed worlds rather than a near-infinite galaxy.
Once in space, you can maneuver toward moons or other planets in the system, each with its own terrain generation rules, biomes, and resource profiles. The promise is a survival experience where every major leap in technology literally broadens your horizon—first to the whole planet, then to the entire solar system.
Technical Design: Making Spherical Voxels Work
PlanetSmith’s distinct look and feel emerge from technical innovations under the hood. Implementing spherical voxel worlds raises several challenges: avoiding severe texture distortion, managing performance as the player moves, and keeping physics stable both on the surface and in orbit.
| Challenge | Why It Matters | General Approach |
|---|---|---|
| Spherical terrain generation | Ensures consistent, seam-free landscapes around a globe. | Hybrid noise functions mapped onto a sphere with custom chunking. |
| Gravity and physics | Allows natural movement on all sides of the planet and stable orbits. | Gravity vectors point toward the center, with physics tuned for surface and space flight. |
| Level-of-detail management | Maintains performance as the player shifts from local to planetary scale. | Dynamic LOD and streaming in/out of voxel chunks based on distance and altitude. |
While many of these concepts are discussed in graphics and game development literature, PlanetSmith’s implementation is notable for being assembled by a single developer rather than a large engine team. That constraint likely influenced design decisions, pushing the game toward a limited number of rich planets instead of thousands of minimally detailed ones.
Why PlanetSmith Stands Out in a Crowded Genre
The survival sandbox space is crowded with titles competing for attention. PlanetSmith distinguishes itself through several design choices that go beyond its elevator pitch.
- Finite, knowable worlds: A single planet is large enough to house multiple biomes and secrets but small enough that you can truly explore and reshape the entire surface over time.
- Integrated progression: Survival, base-building, and space travel form a single arc rather than separate modes or expansions.
- Strong thematic cohesion: The idea of being a “smith” of planets—reshaping worlds and constructing your own path into space—gives the game a clear identity.
This focus on coherence echoes trends seen across successful indie releases. Developers are increasingly choosing strong, distinctive cores rather than chasing maximal feature lists. By tightly focusing on spherical voxel worlds and the journey from ground to orbit, PlanetSmith avoids becoming just another survival crafting checklist.
Looking Ahead: Alpha Access and Future Possibilities
The Kickstarter campaign outlines an alpha phase, giving early backers a chance to interact with the game while it is still evolving. Early access models like this have become standard in PC gaming, allowing players to provide feedback, report bugs, and influence final balancing. Research on game development practices notes that iterative feedback loops from engaged communities can significantly improve usability and retention, especially in systems-heavy genres.
Potential future directions for PlanetSmith include:
- Expanded biomes and planet types: From volcanic worlds to ice-covered spheres and dense jungle globes.
- Deeper automation: Late-game logistics, mining drones, and planetary industry chains.
- Multiplayer options: Cooperative base-building and exploration across multiple planets.
- Story hooks: Light narrative elements explaining why the system exists, who built strange ruins, and what lies beyond the local star.
As with any crowdfunded project, timelines and features may shift as development continues. However, the existence of a working prototype and a clear, technically grounded concept provides a solid foundation. Players attracted by the pitch can reasonably expect the core experience—spherical voxel survival with seamless space travel—to remain at the center of the game’s evolution.
FAQ: Common Questions About PlanetSmith
Is PlanetSmith an online-only game?
PlanetSmith is primarily being developed with a strong single-player experience in mind. The developer has discussed the possibility of cooperative or multiplayer features, but the core design does not require a persistent online connection in the way some service-based games do.
How is PlanetSmith different from other voxel survival games?
The main difference is structural: instead of infinite flat terrain, PlanetSmith uses fully spherical planets inside a cohesive solar system. This changes navigation, building, and progression, as you can physically travel from one world to another without loading screens.
Will the game support mods?
Mod support has not been fully detailed, but given the history of community-driven enhancements in voxel games, it is a frequent request. The feasibility will depend on engine constraints and how the planetary systems are exposed to players.
What platforms will PlanetSmith release on?
PlanetSmith is initially targeting PC, which is typical for technically experimental indie games that rely on frequent updates. Additional platforms may be considered later, depending on performance and demand.
How big are the planets?
Planet sizes vary but are designed to be large enough to enable meaningful exploration and settlement while remaining manageable in terms of performance and traversal time. The exact radius and surface area depend on the planet type and generation settings.
References
- Game Developer Salary & Satisfaction Survey 2021 — International Game Developers Association (IGDA). 2021-07-21. https://igda.org/news/2021-developer-satisfaction-survey/
- Procedural Content Generation in Games — Noor Shaker, Julian Togelius, Mark J. Nelson (Eds.), Springer. 2016-07-13. https://doi.org/10.1007/978-3-319-42716-4
- No Man’s Sky: A Procedural Universe — Hello Games / Gamasutra (GDC presentation summary). 2015-03-06. https://www.gamedeveloper.com/programming/-i-no-man-s-sky-i-a-procedural-universe
- Independent Game Development: Who, What, and How? — J. Whitson et al., Loading… The Journal of the Canadian Game Studies Association. 2018-12-01. http://journals.sfu.ca/loading/index.php/loading/article/view/290
- Early Access Games: Diffusion of Responsibility or Iterative Design? — A. Parker & A. J. Jenson, DiGRA Conference Proceedings. 2017-06-29. http://www.digra.org/digital-library/publications/early-access-games-diffusion-of-responsibility-or-iterative-design/

