Dig, fly, and fight your way through a persistent 2D mining world. Find lost stars and ancient Titans, turn discoveries into new abilities, and decide how deep one more expedition should go.

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Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“UNDERSTAR is being developed by a small indie team as a passion project. Releasing in Early Access lets us gather player feedback, fund continued development, and shape the game together with its community.”

Approximately how long will this game be in Early Access?

“We currently expect UNDERSTAR to remain in Early Access for approximately 1–2 years. This estimate may change as development progresses and we respond to player feedback.”

How is the full version planned to differ from the Early Access version?

“We plan for the full version to feature improved balance and visuals, more content, a smoother progression curve, additional unique upgrades and resources, a longer storyline, and a higher overall level of polish.”

What is the current state of the Early Access version?

“The Early Access version provides the core foundation of the game: mining and exploring a persistent destructible world, gathering resources, upgrading your character and equipment, discovering stars and Titans, and returning to the settlement between expeditions. Some content, balance, progression, and presentation are still in development.”

Will the game be priced differently during and after Early Access?

“The price may increase when the game leaves Early Access to reflect the additional content and polish.”

How are you planning on involving the Community in your development process?

“Players can share feedback, join the community, report issues, and help shape development. We want to build UNDERSTAR together with its players, and we will use community feedback to guide balance, usability, and content priorities.”
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About This Game

UNDERSTAR is a 2D mining adventure about making one more descent—and deciding what is worth bringing back.

Beneath a weathered settlement lies a persistent mine of destructible terrain, hidden caves, rare resources, lost stars, ancient Titans, and forgotten machinery. Carve your own routes, make each expedition count, then return to the light with a stronger character and a changed world.

A MINE THAT REMEMBERS

Dig up, down, or sideways through the underground. Your excavated routes persist, so every shaft, shortcut, discovery, and mistake becomes part of the world. Break through stone, magma, and geodes, connect useful paths, and decide when a deeper route is worth the risk.

TITANS BELOW

The mine is not empty. Push through distinct biomes, sealed geodes, expansive cave levels, and buried machinery to uncover colossal Titans and fragments of a much older mystery. Every new depth should make you wonder what is still moving below.

STARS BECOME POWER

Discover lost stars and turn them into lasting progression. Grow constellations, unlock Starlight talents, and improve mining, movement, abilities, and survival. Your discoveries are not just collectibles—they change what the next expedition can reach.

MASTER FLIGHT AND MINING ABILITIES

Flight turns vertical caverns into open routes. Cross gaps, climb shafts, reach isolated passages, and escape danger with a limited reserve of power. Combine Flight with mining abilities such as Quick Slash and Thunder Strike to break stubborn terrain and reach discoveries that ordinary digging cannot.

BUILD TOWARD THE ARC CORE

Start with a pickaxe and work toward the Arc Core, a controllable mining machine built to challenge terrain on a larger scale. Upgrades should change what you can attempt, how efficiently you gather resources, and how long you can safely remain underground.

KNOW WHEN TO TURN BACK

Darkness, available light, storms, earthquakes, cave-ins, shifting debris, and dangerous depth put pressure on every expedition. Prepare at the settlement, make a plan, and decide whether to continue into the unknown or return while you still can.

The standard experience preserves your mine, discoveries, and character progression between expeditions. Optional Hardcore Mode adds permanent death for players who want every additional metre to carry greater weight.

RETURN STRONGER

Sell resources at the settlement, improve your equipment, choose new abilities, prepare at the campfire, and set out again. Each expedition deepens one persistent mine. Each discovery expands what your character can become.

Dig below. Rise above. Discover what waits under the stars.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

AI was used in development of the game

System Requirements

    Minimum:
    • OS: Windows 10 64-bit
    • Processor: Intel Core i5-4590 or AMD Ryzen 3 1200
    • Memory: 8 GB RAM
    • Graphics: NVIDIA GeForce GTX 750 Ti or AMD Radeon R7 370 with 2 GB VRAM and WebGL 2.0 support
    • DirectX: Version 11
    • Storage: 10 GB available space
    • Sound Card: Windows-compatible audio device
    • Additional Notes: Requires a 64-bit processor and operating system. Minimum resolution: 1280 × 720.
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