Top similar games like Planet Gemini:

Gather resources, upgrade your equipment, and strengthen your base with up to 4 players. When night falls, fend off waves of monsters and protect the precious Mana Stone from destruction.

One More Turret is an automation and tower defense strategy game with interesting innovations. Gather resources and enemy loot to construct intricate factory while defending against relentless monster waves. Can you strike the perfect balance between production and defense?

A free co-op automation game where you and up to 3 friends grow a living mycelial network across an alien planet. Consume local creatures, build biological production chains, and evolve from a tiny spore into a cosmic entity together.

A top-down incremental logistics and tower-defense game. Mine resources, produce ammunition, build tracks toward the exit, and upgrade your mobile furnace and turret while defending it from underground swarms.

A deep biological network automation game where you grow a living mycelial network across an alien planet. Consume the local flora and creatures, build biological production chains, and evolve from a tiny spore into a cosmic entity that consumes worlds.

Mine resources, automate production, and defend your base from escalating alien attacks. Expand your power grid, unlock new technology, and survive alone or with friends in online co-op.

Unearthed is top down mining adventure set in a procedurally generated blocky underground world. Explore endless cave systems filled with dangerous creatures and unexpected companions. Mine resources, survive the depths, and rebuild the world as you see it fit.

Build a formidable factory and go dungeoning alone or with friends. Solve logic puzzles and automate resource collection and crafting, or venture into dungeons filled with dangers and rewards. Find your own ideal gameplay balance, as any unique path will advance the story!

A chill, top down automation game about mining asteroids down to the core. Build bots. Figure out logistics. Automate yourself out of a job.

Dig, build, launch, defend. A co-op 2D mining game where the ground is simulated and every cargo launch is a dinner bell for what lives below.

Survive a massive 20,000 × 20,000 tile world on a live online server. Gather, craft and upgrade your base from a shabby cabin to a fortress, tame and ride wild beasts, and fight monsters, the elements and other players. Nobody is safe.

Starwaste is a voxel space sandbox about exploration, survival and building. Dismantle wreckage, research resources and turn an abandoned scrapyard into a base — alone or with a crew.

Main Sequence is a first-person space-sim factory builder where you design spaceships, build space stations, and automate everything. Start with a single ship and grow to become an interstellar industrial empire as you leave your mark on the galaxy.

In this top-down, multiplayer, co-op game, you must protect your Core Crystal by any means necessary. Build up your defenses, explore, refine, and upgrade to reach your goal. Play alone or with up to 8 people.

Build physics-driven ships and automated factories block by block in a 2D space survival sandbox. Mine planets and asteroids, program machines, explore a hostile universe and survive solo or with friends.

Build a settlement in a realm recovering from the Fracture, a calamity that nearly destroyed the realm. Choose from several unique races, establish a new kingdom, and survive in a land filled with magic and strange creatures. Farm the land, fish the seas, or raid rival kingdoms for their treasures.

You control a small colony in the underground of an unknown planet. Mine resources, build a base, explore the world and technology. Supply your colonists with oxygen, food and energy so that they can carry out their tasks.

Explore, build, survive, restore! Engineer a living future on a frozen procedural planet in this peaceful 2D survival sandbox.

Turn a wild pixel-art world into a living factory. Gather by hand, automate five industrial tiers, explore for powerful optional upgrades, and master belts, pipes, power grids, rovers, trains and nuclear energy—solo or in online co-op for up to 8 players.

The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.

Flow Factory is a physics-based factory automation game. Tinker with complex production lines, make them faster and more efficient. Deal with freely floating pieces and defy gravity. Build, research, optimize. Relax and enjoy everything running smoothly.

An open-ended factory management game with RTS and tower defense elements.

You find yourself completely alone on a different yet very familiar looking planet. Explore the planet, craft tools, fight enemies, and build bases! Do science to learn new technologies that will allow interplanetary travel and better tools at your disposal!

Nova Lands: Emilia's Mission is a prologue chapter of the main game, Nova Lands. Learn your way around the planet you've landed on, build your base, and automate it with your helpful bots!

Build a dwarven kingdom inside a mountain. Dig tunnels, hire miners to gather resources, and expand your settlement. Explore hidden halls, collect relics, and rally soldiers and sorcerers against the goblins and trolls you uncover.

Ember: Symbiotic Wilderness is a 2D pixel-art co-op survival game set in a living wilderness shaped by temperature, weather, seasons, and ecology. Start with a single fire, divide the work with your team, and build a camp that can endure.

Stranded after a shipwreck, gather resources, build a base and descend into dark, procedural caves. Craft weapons, master furnace heat and brew potions, then repair your ship and escape. A top-down pixel adventure where every trip underground brings you closer to home.

Delve for materials, machines and curiosities in this game inspired by Dungeon Keeper and Pikmin.

The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.

Deepfield is a space RTS where capital ships are your base. Survey a vast asteroid belt, build an industrial fleet, move physical cargo through vulnerable supply lines, and wage wars where every ship, shell and crew member must be replaced.

Might and Mandibles is a 2D ant colony sim and real-time strategy game. Command your queen and her subjects, excavate procedural subterranean chambers, assign specialized castes, and gather surface resources while defending the nest from wandering predators and coordinated raids.

Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.

Power the Unknown is a strategy game where you build a base on an unexplored planet and defend it from swarms of hostile bugs. Mine resources and generate enough energy to power your ever-growing base.

NuTREEnts is a strategic tower defense roguelike about growing and expanding your forest. Plant saplings, fend off bugs, and explore a desolate planet while you grow a mighty colony of trees!

Dawn Apart is a space colony and factory sim with fully destructible environments. Mine, automate, and defend your settlers, or lead a rebellion against the very corporation pulling your strings…

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.