Top similar games like Planet Gemini:

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

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.

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.

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

Cosmic Stronghold is a mix of the genres RTS and Tower Defense. Your primary goal is to keep your space station alive for as long as possible, so that it can harvest the nearby mines for precious mineral ores. You will be faced with waves of enemies, getting stronger and stronger for each wave.

Mob factory is an tower defense and automation game for the lazy adventurer. Smelt down enemy loot into turrets & factories to automate an ever expanding dungeon from the comfort of your tower.

In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.

Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.

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!

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!

Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.

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

Desynced is a sci-fi strategy game with fully customizable units and behaviors. Gather, build, research, and explore the unknown. Alone or with friends, unveil the mystery of an AI on the edge of self-awareness and uncover the hidden truth in this blend of strategy, automation, and exploration.

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.

A rogue-like sci-fi Tower Defense strategy game with infinite replayability!

Land on a distant planet in this chill resource management game. Harvest alien resources, build and automate machinery, uncover secrets across the stars and strike shipping deals with distant colonies for exclusive rewards!

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?

After the destruction of the EARTH in 2150, the leaders of the Eurasian Dynasty escaped on board an evacuation fleet. Now they are fighting for the survival of the human species. Their base is one large building comprising of smaller variable parts.

An automation roguelite where single-use JunkDroids turn out to be surprisingly useful: automate production network, rebuild a broken world piece by piece, and stop the Goofy Goo before it consumes everything. Play solo or in coop.

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.

A pixelated 2.5D RTS meets tower defense as you battle mutated ants in a short campaign. Build walls, place turrets, and hold the line to reclaim Earth's surface in this tactical fight for survival where placement of everything matters.

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.

An RTS inspired resource management TD. Takes place in a bleak mechanical dystopia were the factory reigns supreme.

Gutfarm is a top-down 2D pixel art game that blends farming, tower defense, and survival elements. On this alien island, you will expand and grow your farm by planting crops, unlocking genetically mutated varieties, defending against waves of monster attacks, collecting relics, and more!

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 🏠

A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.

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.

IT HAS GONE ROGUE You are sent to an hostile Space-Station with the mission to stop an AI-Super-Computer that has gone rogue!

Welcome to SoupCo, Astroworker! In Nom Nom Galaxy, construct and automate gigantic soup factories on unexplored planets throughout the universe, harvest flora and fauna to turn them into artisanal soups, and rocket your product into the gullets of the galaxy!

The Mission Exorcist is a game that combines elements of Tower Defense and Open World genres. Players take on the role of an Exorcist tasked with protecting a dimensional door that connects Hell and the human world for 15 days. The game's end will depend on the player's remaining Life Force level.

Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!

The AUTOMATION bullet heaven! Build your custom spellcasting factory and tear through endless waves of monsters. Unlock 20+ characters and 100+ golden totems to craft broken roguelite synergies and survive the swarm! Build, automate, autocast, OBLITERATE!

A procedurally generated sandbox survival game with RTS elements.

Strategically build your base & defend it from players and bots; in a world where anyone can meet up.

Build huge factories to harvest magical resources and produce potions. Design complex production lines from simple parts to transform ingredients using a deep alchemy system. Ramp up production to fulfill Guild orders, unlock new machines, and create more powerful potions!

After crash-landing on a mysterious island with no memories of the past, set out to explore the island and scavenge for resources to build automated production lines and repair the damaged ship.