Games like Starship Theory

Build and automate a lunar colony that Earth depends on. Mine regolith, run conveyor-and-drone factories above and below the surface, manage colonists, trade with rival Earth factions — and play a story campaign with multiple endings.

Gridmax is a tile-based survival and base-building game set in a strange alien world. Gather, craft, build, and explore at your own pace as you grow your team, establish homes across the grid, advance your technology, and search for a way home.

A collaborative exploration and survival game for 1-10 players, set in a procedurally generated afterlife inspired by Viking culture. Battle, build, and conquer your way to a saga worthy of Odin’s patronage!

Program a crew of tiny robots to turn a frozen planet into a living world. Connect visual code blocks, automate crafting, and build a workforce that fuels itself. Keep the heat flowing, refine your machines, and watch your ideas come to life.

On RuneScape's forgotten continent of Ashenfall, dragons have awoken. Gather, build, skill and craft in this co-operative survival adventure. Only by mastering survival and uncovering ancient secrets can you hope to face the ferocious Dragon Queen.

CELLS is a calm sci-fi trading game about goods, routes and decisions. Explore new worlds, build trade chains, mine resources and uncover the story of a broken network between the worlds.

Build twisting mazes with tetromino blocks and deploy unique towers in this strategic roguelite tower defense adventure!

Sublight is a space bullet heaven roguelike, where you captain a powerful warship and carve through escalating waves of enemies. Upgrade your arsenal, unlock new ships, and experiment with countless builds to dominate the battlefield.

Open your own local game store. Stock shelves with the latest booster packs, or crack them and collect the cards for yourself. Set your own prices, hire staff, host events, and expand your card shop.

Mine by day, defend by night. Master 25+ spells, sell rare ores for gear upgrades, and grow stronger each run in this procedurally generated roguelite tower defense. Enjoy full controller and Steam Deck support.

High intensity co-op roguelite space adventure party game for 2–4 players (or bots). Take on crew jobs, keep a failing ship alive, and survive procedural missions with endless exploration, light RPG progression, and real-time crisis gameplay.

Big Ambitions is a revolutionary role-playing business sim. Go from nothing to the biggest entrepreneur in New York by opening small businesses or slowly building huge corporations any way you like.

A first-person sci-fi cargo flight sim. Pilot a physics-driven lander, plan risky routes, manage fuel and heavy cargo, and save deliveries by repairing system failures mid-flight. Earn credits and upgrade your ship.

A cozy incremental game about growing your way home. Strategically plant flowers, optimize machinery, and grow your tree tall enough to escape!

Embark on your creative journey of vehicle design, as you create and operate vehicles to survive this dangerous open world. Anymaker is a detailed and technical vehicle builder and survival game. Design your chassis, build your engine, connect components, and travel into the unknown.

Manage your own anime shop 🎌. Play solo or team up with friends 🤝 in 4-player co-op mode to grow your business 📈 Stock shelves with manga, figures, and collectible cards in this immersive first-person game 🕹️.

Team up with your friends and build a thriving trade empire in this CO-OP strategy and economy simulation set on a lively island. Begin with a small market, share tasks, manage production chains, raise livestock, and dominate the economy together through changing seasons and dynamic festivals!

Biovoid is a creature-building roguelike game where you slay hordes of hostile aliens. Combine a variety of cells and mutations to create game-breaking builds and evolve from a fragile hatchling to a deadly predator.

This is an incremental game where you become a cozy destroyer of worlds.

Arena combat meets mercenary club management. Recruit from a dynamic market, build your squad, and compete season after season in leagues and cups.

You're not the manager, you're the agent. Scout hidden gems across 47,500 players, win them over face to face, build their careers, and sell them for millions. A deep football agency career sim where every contract has your name on it.

A seasonal farming roguelike. Grow and crossbreed crops with real genetics, ride the four seasons and their weather, and defend your farm from waves of enemies and seasonal bosses. Upgrade your bot, raid the wastes, and uncover the truth before O.N.Y.X. finds you.

Slay. Loot. Sell. Survive! Dive into a first-person blend of hack'n'slash roguelike and shop management. Plunder deadly dungeons for loot, escape with your life, craft, and stock your shelves. Then risk it all once more for profit!

CONVRGENCE is an atmospheric VR extraction shooter set in the procedurally generated, ever-changing Chernokamensk Anomaly Zone. Scavenge loot, fight bandits and hunt for mystical artifacts — all with your loyal dog companion by your side. But extract before nightfall, or face what lurks in the dark.

SAS is an Open World Multiplayer PVP and CO-OP Survival Game. Set in a vast environment that features Building, Crafting, Taming, Riding, Flying and Exploring Wildlife, Dinos and Dragons as well as Horrific Creatures and Instances with the ability to Morph into Spirit Animals.

Fly, dodge, and score points — this is a real test of reaction and concentration, where every new record feels like a big victory over the ruthless cosmos.

Defend humanity's first Mars colony in this fast-paced modern arcade space shooter. Battle asteroid storms, hostile UFOs, complete challenging missions, and master skill-based gameplay inspired by the golden age of arcade classics.

An armour penetration sandbox. Build the target from plates, thicknesses and angles, pick a penetrator from American, Soviet and German service rounds, fire. The hit is not animated — it is solved from real terminal-ballistics models.

A game within a game. In this entirely new kind of simulation RPG, become a guild master, develop your town, recruit guild members, and conquer dungeons. Every decision you make becomes your own chronicle.

Craft your special recipe juices and sell them in medieval villages. Expand your business with new recipes, machines, properties, and workers. Play online with your friend or go solo, and enjoy the growth of your business.

An action roguelite with no attack button. You are a dying star: ramming other stars is how you attack, heal, move, and grow. Steal their heat, gain mass, and outrun the heat death of the universe — across an infinite, procedurally generated galaxy.

Lead your people to victory on an ever-evolving world in this strategy game featuring asymmetric factions led by powerful heroes. Build your empire, wield political influence, and raise grand armies to wage war in a race to uncover dark secrets buried within the planet.

Build your own construction company from the ground up! Take on contracts, hire workers, buy powerful equipment, manage your finances, and grow from a small contractor into a construction empire.

Command automated military defenses, upgrade your fortress, and survive massive zombie waves in this action-packed idle defense game. Build powerful defenses, unlock upgrades, and hold the line against endless undead hordes.

A dark, text-and-pixel monster-breeding sim. Hatch abominations, train them with a TRPG card hand, and send them off to the surface for good. Stats and Traits inherit down two separate bloodlines, so every generation is a deliberate choice, not a reroll.

Rise from high school assistant to the top of the sport in one fully-simulated, connected football universe — from high school to college to the pros. Manage a roster, call every play, and watch it play out in a realism-based broadcast-style game engine.

A hand-painted deckbuilding roguelike. At sea, play cards against waves and reefs, read the fog or burn your lantern to clear it, and cook below deck. Two crew, five endings. Plus an online mining town: drill ore with cards, beam crates onto your truck, sell at the dock, team up with others.

POWDR is a high performance interactive particle sandbox featuring realistic fluids, sands, solids, interactions, and more! Every pixel is simulated. Every material interacts. Every experiment can become a catastrophe.

The Endless Sky es un juego online en tiempo real de exploración espacial en un universo generado de manera procedural. Descubre todo un universo. Sistemas, planetas, lunas, flora, fauna, civilizaciones y mucho más!

After a tragic crash, dash across an unknown planet using your crew's wacky UFO abilities to find a way home.

Master of Pottery is a pottery-themed creation + simulation game. Make pottery, open exhibitions, complete orders, train apprentices, run your own showroom and start a relaxing pottery journey.

Play a major role in an evolving simulation of simulations. Explore endless 2D and 3D dimensions spanning nearly every game genre, with 50+ experimental prototypes and stories whose worlds, systems, discoveries, and ideas can become part of the greater experience.

No Emergency: Pestilence plunges players into the epicenter of a mysterious epidemic, where every arriving patient could be carrying a mutating pathogen, and a single mistake in a prescription turns the cure into poison.

This is a fight for survival. Xenomorphs swarm in overwhelming numbers. Every room could be your last.

A physics sandbox built on real chemistry. Drop 674 materials into a falling-sand world and watch them react, burn, freeze and explode. Then wire circuits, test wings in a wind tunnel, or split light through lenses — alone or with friends online.

Find allies. Recruit. Resist. Conquer. Nearly 30 years before Breath of the Wild perfected open world, there was Midwinter. Mike Singleton's 1989 landmark, faithfully remastered — 160,000 square miles of frozen island, 32 survivors with 32 personalities, and an invading army to resist and destroy.

Surf Sandbox is a tiny, casual surfing sim with realistic water physics. Create your perfect wave, catch a friendly ripple, get slammed by a heavy shorebreak, hit an air section, get barreled, or just sit back, relax, and watch the waves roll in.

Open world zombie survival Coop game with base building, looting, crafting, vehicles, and exploration.

Join dangerous raids for loot or intense PvP battles in this new realistic military shooter set in a fractured multiverse. Fight in the quantum unstable zones over control of the active matter – the substance that bends time and space.

A challenging trading and combat game with a story and quests, where goods have unique properties, and the more you carry, the more dangerous the journey becomes.

Thrown into an otherworld of wuxia and fantasy with a ten-million-gold debt — no powers, no cheats. Travel a map of 279 cities, buy low and sell high, and raise up to four mercenary squads to punch through bandit roads. A caravan-trading & squad-management sim. Clear the debt to win.

A massively multiplayer real-time strategy game pitting hundreds of players against one another. Over one million nuke each other every month.

Starwalker is a space-exploration survival rpg focused on surviving a massive alien invasion on planet Earth. You'll be able to explore the solar system and beyond. You are the last human standing - ready to start a new life.

Forage, craft and automate to grow your factory, unlock new technologies and expand your island to discover new biomes. Progress through the ages from sticks and stones to the Bronze Age, the Industrial Era and into the future to uncover the secret of the Lighthouse and escape this reality.

Master the art of driving! Enjoy 50+ handcrafted levels with 9 vehicles and realistic car physics. No traffic — just pure driving skills. Unlock cars, test your skills in mini-games, or just drive casually without any worries!

A cozy idle game about vibe-coding with AI. Hire a crew of agents, climb a five-branch upgrade tree, and dress the whole lab from 80 cosmetics across five tiers. Progress lands in minutes, not days — no subscriptions, no daily check-in. Numbers go up, vibes stay immaculate.

A co-op action game about protecting your mom in a post-apocalyptic world. Explore ruined cities, gather resources, upgrade your motorhome, build defenses, and battle enemies. Your mission: Get Mom to safety. Her survival is in your hands!

Open antique boxes, collect hand-painted toy soldiers, build your battle roster and command miniature armies in cinematic diorama battles. Complete rare sets, restore legendary units, and grow the most prestigious collector’s cabinet.

Survival is optional, rent is mandatory. Team up in Dead Margin, a brutal 1-4 player co-op horror. Whisper to survive, avoid anomalies, and scavenge scraps. Sell it to pay the greedy customer. Out here, everything has a price. Especially you.

Cloudscrapers is a minimalist strategy game with a relaxing atmosphere. Build your tower, manage resources, unlock new tools, and uncover the secrets hidden in the sky.

A co-op puzzle heist for two. One of you breaks into a secret bunker. The other sits in the observation office, watching the bunker. A walkie-talkie is your only link. Talk to each other and find out how good your teamwork really is.

Fight endless machine hordes, salvage scrap, build powerful weapon combinations, and survive in this fast-paced mech survivor roguelite.

A wilderness survival game set in an endless Alaskan night. Keep campfires alive, gather wood, craft torches, survive freezing blizzards and wolves, and search abandoned campsites for the cabin that might save you.

An endless neon rhythm-runner with a 46-track licensed dubstep soundtrack. Fly a fixed ship through a winding tunnel from Mercury to Pluto, tapping beat-gates on the beat. Nail the sweet spot for PERFECT combos, bank Vibe Coins, ignite Star Power invincibility, and clear five rounds to win.

A cozy horror game where you craft plants for late-night customers while you manage a small plant shop. Expand your plant collection, upgrade your shop & grow your business.

Can you hear the bad can? Tap, listen, and reject defective cans in a sound-based inspection game. The line keeps accelerating. Three mistakes end your shift. Headphones strongly recommended.

Trapped in the twisted game room of a mysterious entity, Dealer's Dice is a high-stakes roguelike dice-defense game. Collect powerful dice, manage your betting table, and gamble against relentless waves of invaders. Push your luck, test your greed, and survive.

Too Many Toys! is a cozy organizing simulator where you'll sort 5,517 toys in a messy toy shop. Put every toy back in its correct place, complete rows to gain points, and spend them on upgrades that make organizing faster and more satisfying!

Fly the Lander, collect the fuel, avoid obstacles and perfect your skills to attempt a soft landing in this difficult precision platformer.

The official game of NASCAR is back and better than ever with NASCAR 26! Battle your way through all four NASCAR National Series in Career, Quick Race, Championship, Multiplayer, or our all new mode featuring The Chase!

From gliders and helicopters to wide-body jets, fly highly detailed and accurate aircraft in the Microsoft Flight Simulator 40th Anniversary Edition. The world is at your fingertips.

A HARDCORE physics-based 1-4 player co-op RAGE GAME about getting home after a wild night out. It was a fun night! Now grab your buddies and walk home. IF YOU REMEMBER HOW.