Hop in your submarine and get ready to survive increasingly treacherous depths, with each mining opportunity darker than the last.

The Subminer is a survival-exploration game that drops you into the waters of an alien planet and puts the hope of humanity on the hull of your submarine. A catastrophic explosion has decimated the Enceladus research base, and all contact has been lost. You’re just a prototype, a bio-droid designed for deep-sea tasks, but you’re the only hope humans have left. It’s up to you to descend into the ocean’s depths, where each level is darker, more claustrophobic, and deadlier than the last. Mine for vital resources, and battle — or cleverly avoid — corrupted creatures that are ready to strike at any time.

Three depth levels stand between you and the truth. With a variety of environments and threats, plus a procedurally generated, fully destructible world, each dive offers a different experience. Be careful where you mine, as your survival depends on your ability to read your environment and defend against the terrors hiding behind every crack and crevice. Unwanted eyes and gaping mouths are an ever-present threat, all ready to make you part of the food chain as you encroach on their territory. Do you have what it takes to overcome your fears, reach the planet’s core, and uncover the truth of what happened?

Resources aren’t the only thing waiting for you in these waters. NPCs, side quests, shop corridors, and many secrets worth uncovering are also lying in the depths. Swap between piloting your submarine and exploring in your diving suit to find what your ship can’t, but be mindful that you’re more exposed in the open ocean. Rescue specialists who will help you set up your base above the water, expand your abilities and suit systems, and upgrade your submarine to explore farther than before. Knowing when it’s worth it to return to base with your precious cargo, and when to push into the unknown, is what separates the miners who make it back from those who don’t.

Not everything that goes down comes back up. How deep are you willing to go?

Key Features:

• Deep sea roguelike exploration across three increasingly dark and dangerous depths

• Procedurally generated environments so no two runs are the same

• Fully breakable terrain with chain reactions that can open paths to progress or peril

• High risk/reward roguelike loop with meaningful meta-progression

• Rescue NPCs, complete side quests and rebuild the surface base

• Bosses, traps and corrupted creatures waiting in the dark

The Subminer is in development for PC (Steam), scheduled for 2026.