Top similar games like Planet Gemini:

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?

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

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!

Main Sequence is a space-sim factory builder where your goal is to build an interstellar industrial empire. Collect resources, automate production, and expand your fleet of ships in order to survive and 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.

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.

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!

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

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.

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.

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…

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

Mine ore on the Moon, send it back to Earth to earn money, and buy Skill Cores to upgrade your abilities. Use a variety of helpful equipment on your expedition — and yes, there’s a dog! Uncover the secrets hidden beneath the lunar surface.

Descend into the depths, extract valuable resources, and turn them into the engine of a growing industrial operation. Build underground infrastructure and process everything on the surface to expand your production and unlock increasingly powerful upgrades.

A procedurally generated sandbox survival game with RTS elements.

Build. Automate. Defend.

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.

Wield your sword and your creativity to survive in this procedural world. Fight to build. Build to fight. Bring some friends and make it home 🏠

BLASTRONAUT is a mining game in a procedural alien world. Explore, extract and profit.

The original, uncompleted version of Vectorio. Claim resources, unlock new buildings, and expand your defenses as you fight back against enemy forces in the classic edition of Vectorio! Play for free now.

Exovia is a physics-based mining and automation sandbox in space. Survey asteroids, engineer zero-G logistics without conveyor belts, and design complex Newtonian factories. Turn floating chaos into perfect order and experience true inner peace as you solve one satisfying problem and then the next.

A physics-driven automation game where your workers bounce between buildings like pinballs. Design bounce paths, build production chains, and survive asteroid waves.

Take the helm as a new Station Commander and exploit an alien star system in this stunning space-station factory automation game. Amass resources and construct starships using increasingly advanced manufacturing and expand your station in a hostile universe.

Stranded on a small island, you must gather, build, and automate to survive and turn a humble camp into a thriving, self-sustaining base.

Tremble of Towers combines resource management, strategic building, and CO-OP team-based action into an exciting free-to-play tower defense experience. Join the fight, mine your way to victory, and defend your precious gold!

Experience the first stages of terraforming an entire planet in this space survival open world terraforming crafting game prologue. Explore, survive, collect, build your base then create oxygen, heat and pressure to make an hostile planet livable for humanity.

Automate your factory to fuel a planet-splitting laser drill. Mass-produce mechanized combat units, deploy them in tactical auto-battles to conquer enemy outposts, and route their resources back to your expanding mega-factory. Grow your army and destroy the Runaway Artificial Superintelligence (RAS)

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.

A living world full of surprises, secrets and danger awaits in The Survivalists, an adventure-filled survival sandbox set in The Escapists universe. Explore, build, craft and even train monkeys with up to three friends in a desperate bid to survive. Have you got what it takes to be a Survivalist?

Keyclash is a simple tower defense roguelike about building on keyboard keys and surviving as long as possible.