Top similar games like Trenchlore:

Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.

Subcraft is a 2-3 player co-op submarine adventure. Dive beneath a frozen world, explore dangerous caves, mine resources, fight monsters, and help rebuild civilisation.

Sinking Eternity is a single-player underwater exploration RPG. Survive extreme depths, hide from dangerous sea creatures, and uncover the secrets of a civilization lost for millennia.

Every adventurer must face the Trial — a boundless pixel-art sandbox where you can explore, build, mine, farm, and challenge epic bosses. Play solo or with up to 3 friends in thrilling top-down adventures.

Embark on an epic adventure as a sword-wielding fish and restore order to the kingdom's depths. Explore an ocean world full of adorable characters, menacing foes, and hidden wonders.

Build a self-sustaining industrial empire in the deep sea of an ocean-covered alien world. Explore procedurally generated waters, automate resource production, and turn alien life into renewable industrial output through advanced bio-cultivation systems.

Embark on an epic sci-fi sandbox adventure across multiple planets in this 2D sidescroller. Explore, fight creatures, craft, and build in in a fully destructible world. Unleash the power of simulated elements, ride vehicles, and customize your character.

Survive 400,000 years on a planet infested with an alien calamity! Gather resources, build a base and defend against hordes of nocturnal monsters in this rogue-like with cryostasis mechanics.

Welcome to the dangerous micro world hidden inside the human body. Pilot an advanced microship through the bloodstream, brain and kidneys. Mine resources, fight microbes, craft ship modules and weapons, build bases, discover new microorganisms and find a cure for cancer. Don’t get eaten!

Welcome to Keplerth! Try to survive on a hostile alien planet in this 2D sandbox RPG, where you can choose to live alone or fight side by side with your friends in the online multiplayer mode. Survive, build, farm, fight, and explore your way to victory in this open-world adventure!

Mine. Build. Survive. Engineer your way through the cosmos in this 2D space engineering sandbox!

A sci-fi survival-crafting colony sim set in a flooded world of floating islands. Build a colony, craft gear, design rafts, fend off sharks, manage your survivors, and explore island bunkers to uncover lost Float-Tech from an old-world corporation.

Control a submarine or a diver into the depths of unknown underwater worlds and take photographs of alien animals, plants and artefacts. Continue your journey through this casual, side-scroller, exploration game and collect stars to unlock more secrets before travelling to an alien home planet.

Blood Running: Prologue is a stylish extraction shooter where you'll enter the cyber-wasteland, fight off creatures and bandits, loot valuable gear, and venture into the remnants of a world in ruins. Are you willing to bleed to survive, Blood Runner?

A sci-fi, base-building adventure where you build a 'ship' on an asteroid; explore space, battle slimes, raiders, space rhinos, and more. A story that includes following orders from a mysterious AI, shooting fish with a space grappling hook, invading space stations, fixing the exploded moon, etc.

After a catastrophic rocket crash, you find yourself stranded on an island with only the ocean and unexplored land before you. Immerse yourself in a peaceful, open-world adventure where curiosity guides your journey. Survive. Build. Explore.

Hop into a ship and escape! With the help of an aquatic ally, you pilot an underwater vessel in an attempt to escape the clutches of the Sea Intelligence Bureau.

Mine, build, upgrade, and extract. Scavenge the stars in a resource-management sim focused on base building and survival. Gather materials, construct facilities, and order units to thrive in a hostile galaxy. Fortify your temporary base and secure your haul for a clean escape before it’s too late.

Explore, build, and master the art of automation. Build your base, discover colorful new worlds, and develop new technologies as you tame the far reaches of space and search for a way to return to Earth.

Discover 4 short metroidvania sci-fi adventures! Explore a submerged city, a lost world reclaimed by machines and a mysterious temple on an alien planet. Unlock new abilities to reach more places and battle deadly foes. Piece together the story of those places and discover how they’re all connected.

"EGO :: Exit Protocol" is a 2D narrative adventure game where the protagonist awakens in an unfamiliar building with no memory and must collect clues through repeating cycles to uncover a way to escape.

Build systems, sustain life, and transform a barren moon into a living world. In this 2D survival-crafting RPG, preparation and infrastructure matter more than reflexes... because when the winter eclipse comes, only what you’ve built will keep you alive.

Survive a hostile world with your droid. Build your base, automate with robots, and manage the energy that keeps you alive. Beware. The tech you rely on may save your life – or destroy it.

Control a Mesoamerican god who must escape the underworld in this challenging 2D pixel art platformer, dodging dangers to recover the sacred bones of humanity.

Unknown Horizon is a retro styled top-down space exploration adventure where you will meet new alien races, learn their secrets and build their trust to get their help to find a way home.

PLANET ALPHA, a beautiful alien world filled with mystery and danger. Pursued by relentless enemies, you must harness the power of night and day as you struggle to survive.

Return to an Earth abandoned for over 500 years and explore its transformed oceans in search of vital resources. With supplies on humanity's new home world running dry, you must gather materials, build automated underwater operations, and uncover the secrets that now lie beneath the waves.

Beneath the waves, the world of Atlantis is waiting. Build your home base on sunlit shores, then dive into sunken ruins to uncover secrets of the deep. Get stronger, dive deeper, and battle dark forces with up to 3 friends in this underwater survival crafting odyssey!

While searching for a new home, an unexpected failure in your ship has left you stranded on a planet surprisingly similar to Earth. Discover a vast open world, hunt for food, develop technologies, and build yourself a new home to survive!