Games Like Forts

Construct mighty steampunk airships and fly them into battle, waging war and conquering the skies!

Why similar: Moddable 37.2%, Military 22.4%, Building 20%, Multiplayer 11.5%, Strategy 5.7%

Why You'll Like It: Design modular, vulnerable flying warships and fortifications, then use their weapons and structural weak points in tactical battles that strongly echo Forts' build-and-destroy appeal.

Create the ultimate fortress and wreak havoc, raining destruction on your enemies with catapult-flinging fun!

Why similar: Base Building 36.9%, Strategy 26.4%, Multiplayer 15.5%, Action 11.2%, Funny 5.1%

Why You'll Like It: Build connected castle networks while attacking enemy strongholds in a fast strategic siege game centered on placement, expansion, and demolition.

Design and build fortresses brick by brick to stand against endless hordes of Horrors in this real-time strategy game with resource management, siege defense, and exploration. Lead from the ramparts, push back the darkness, and hold fast against the creatures of the Mist.

Why similar: Moddable 30.9%, Base Building 26.7%, Building 18.2%, Sandbox 14.4%, Strategy 8.3%

Why You'll Like It: Its brick-by-brick fortress construction and siege-defense combat capture Forts' satisfaction of engineering defensive structures that must withstand concentrated attacks.

Command your own fortress in FTL-like real-time battles! Crush the enemy fortress with unrelenting bombardment or seize it with carefully executed invasion.

Why similar: Base Building 47.7%, Strategy 35.5%, Indie 7%, 2D 7%, Singleplayer 2.8%

Why You'll Like It: Command a customizable fortress under artillery fire, managing weapon rooms, repairs, shields, and precise strikes against an opposing stronghold.

Cannon Brawl is action RTS and artillery hybrid. Pilot an airship, command powerful weapon emplacements and use the destructible terrain to out think and destroy your enemy! It's a new take on artillery strategy!

Why similar: Multiplayer 42.6%, Strategy 23.1%, 2D 13%, Action 8.2%, Indie 8.1%

Why You'll Like It: This competitive RTS combines rapid tower placement, resource management, and direct artillery duels in a compact format very close to Forts' moment-to-moment battles.

Choose a planet, build your fortress, and prepare for war. Arm yourself with powerful weapons, deploy troops, construct turrets, and defend your stronghold against relentless attacks. Team up with a friend or fight alone in this action packed block builder, where only the strongest survive.

Why similar: Base Building 35.3%, Level Editor 23.4%, Sandbox 18%, Multiplayer 8.6%, Strategy 6.9%

Why You'll Like It: It mixes buildable defenses, block-based fort design, and combat against or alongside other players, with a more action-oriented perspective than Forts.

Would you enjoy building CASTLES, traps and siege machines in MULTIPLAYER? And then undermine your opponents castle and collapse it with 2D PHYSICS & DESTRUCTION?

Why similar: Multiplayer 34.9%, Building 21.3%, Sandbox 15.1%, Pixel Graphics 6.7%, 2D 5%

Why You'll Like It: This multiplayer 2D war game lets teams rapidly build castles, tunnels, defenses, and siege equipment that enemies can breach or destroy.

Demolish your friends with hundreds of upgradable weapons shot from your customizable tank in this action-packed online multiplayer tanks game. Earn XP to level up and unlock new tanks, weapons, and gear. Fight against or alongside your friends for strategic team or free-for-all matches.

Why similar: Multiplayer 39.3%, Strategy 19.8%, Physics 12.7%, 2D 9.5%, Funny 7.8%

Why You'll Like It: Although turn-based rather than RTS, its multiplayer artillery duels, destructible terrain, and escalating weapon choices deliver a similar firing-solution thrill.

Over 1000 unique components allow you to build and command voxel vehicles from the deep ocean to outer space! Forge strategies, allegiances and fleets strong enough to destroy eight deadly factions of the planet and reign supreme. A genre-defying mashup of simulation, building, RTS and RPG.

Why similar: Building 22.8%, Military 21%, Physics 17.8%, Sandbox 17.5%, Multiplayer 12.7%

Why You'll Like It: Design extremely detailed vehicles and fortresses from functional components, then test their armor, weapons, and buoyancy in physics-heavy warfare.

Enter the creative paradise of Scrap Mechanic! Build fantastic machines, go on adventures with your friends and defend against waves of evil Farmbots in this imaginative multiplayer survival sandbox. With Scrap Mechanic’s powerful creation tools you can engineer your own adventures!

Why similar: Building 21.3%, Base Building 17.1%, Physics 14.9%, Sandbox 14.8%, Moddable 11.9%

Why You'll Like It: Build elaborate contraptions and armed vehicles with friends in a physics sandbox that supports the same inventive experimentation as Forts.

Welcome to the world of CastleStorm, a super genre mashup of 2D physics destruction mashed with tower defense brawler! CastleStorm was born out of the fond childhood memory of building and destroying LEGO castles.

Why similar: Destruction 49%, Funny 12%, Strategy 10.6%, Physics 8.6%, Multiplayer 7.5%

Why You'll Like It: It combines castle construction, targeted ballista attacks, and defensive unit management in an accessible side-view siege format.

Besiege is a physics building game about constructing medieval machines to annihilate armies, obliterate castles and overcome challenging obstacles. Conquer the campaign or skirmish with friends in Multiplayer!

Why similar: Destruction 21.7%, Moddable 21.4%, Level Editor 13.1%, Building 11.8%, Physics 10.5%

Why You'll Like It: Its freeform construction system and spectacular physics destruction make it ideal for players who enjoy engineering machines and finding structural weaknesses.

Choose between different factions, with their own set of expendable soldiers, mechas, and weapons. Protect your brain, mine gold, and destroy the enemy cortex in his bunker complex!

Why similar: Strategy 54%, Moddable 15.7%, Physics 10.2%, Sandbox 8.8%, Pixel Graphics 2.8%

Why You'll Like It: Construct and defend a destructible 2D base while directing units and fighting over terrain, resources, and vulnerable infrastructure.

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

Why similar: Base Building 33.4%, Building 13.5%, Moddable 12.6%, Sandbox 10.8%, Multiplayer 8.7%

Why You'll Like It: It blends resource logistics, defensive construction, and RTS-style unit production into constantly expanding bases built to survive attacks.

Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!

Why similar: Building 38.1%, Multiplayer 21.1%, Strategy 15.1%, Pixel Graphics 8.8%, 2D 7.9%

Why You'll Like It: Build combat-ready ships room by room, balance power and weapon systems, and exploit structural and subsystem weaknesses during real-time battles.

{{An RTS inspired by the classics of the past!}} Making up for it's subpar retro graphics with fun gameplay and modern multi-threaded tech enabling huge battles to run smooth... Featuring singleplayer challenges, skirmish, sandbox, 10-player multiplayer & workshop modding.

Why similar: Moddable 28.6%, Base Building 28.4%, Strategy 11%, Multiplayer 9.8%, Sandbox 9.6%

Why You'll Like It: A lightweight but deep traditional RTS with multiplayer base building, unit production, tech progression, and mod support.

TerraTech is an open-world, sandbox adventure game, where you design and build your own creations through a mix of crafting, combat and discovery. Design vehicles from a huge library of blocks. Scavenge, craft and buy new parts to survive and become the ultimate planetary prospector.

Why similar: Building 34.8%, Sandbox 24.9%, Multiplayer 16.9%, Physics 10.1%, Strategy 6.5%

Why You'll Like It: Its modular vehicle construction and combat sandbox reward creative engineering, experimentation, and iterative redesign after destructive encounters.

Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.

Why similar: Moddable 24.9%, Base Building 19.6%, Building 13.8%, Physics 11.9%, Sandbox 11.2%

Why You'll Like It: Engineer fully functional bases and vehicles from individual blocks, then defend, raid, and damage them in a large-scale physics sandbox.

Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!

Why similar: Base Building 29.7%, Destruction 22.4%, Building 19.1%, Multiplayer 13.6%, Strategy 12%

Why You'll Like It: This is a large-scale multiplayer RTS focused on rapid base expansion, production chains, orbital warfare, and annihilating enemy infrastructure.

The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!

Why similar: Base Building 35.3%, Building 23.7%, Sandbox 20.3%, Strategy 11.1%, 2D 5%

Why You'll Like It: Build and outfit modular spacecraft, manage their crews and systems, and engage in tactical combat where design decisions have direct consequences.

Command the Nimbatus and craft drones out of hundreds of different parts. Survive unknown threats in a fully destructible, procedural universe, compete against other players in different arenas or enjoy complete creative freedom in the sandbox.

Why similar: Building 26%, Physics 22%, Sandbox 21.1%, Strategy 20.8%, Action 5.7%

Why You'll Like It: This emphasizes designing functional modular drones, tuning their systems, and watching those creations survive—or fail—in combat scenarios.

Diplomacy is Not an Option is a strategy game set in a medieval fantasy world. Build your town and defenses, raise huge armies and fight against massive hordes of enemies. How long can you survive?

Why similar: Base Building 40.5%, Level Editor 20.3%, Military 19.5%, Tactical 12.3%, Strategy 7.3%

Why You'll Like It: Build a medieval settlement into a heavily defended fortress and hold against massive attacking armies with walls, towers, and logistics.

Unleash your creativity and craft anything from flying cars to jet-powered toilets.Fair warning: there's a learning curve. But once you've got it, the sky's the limit for your creations!While active development is paused, we focus preserving the game and keeping it accessible.

Why similar: Building 37.2%, Physics 32%, Sandbox 30.9%

Why You'll Like It: Create custom land, sea, and air machines from parts and take them into physics-based combat against other player-built vehicles.

With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps.

Why similar: Strategy 39.3%, Multiplayer 36%, Base Building 14.6%, Indie 6.9%, Singleplayer 3.2%

Why You'll Like It: A free multiplayer RTS with extensive base building, terrain-aware warfare, and a strong emphasis on countering enemy structures and units in real time.

The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.

Why similar: Building 24.3%, Physics 19.7%, Level Editor 19.1%, Tactical 12.2%, Strategy 10.1%

Why You'll Like It: This RTS is built around constructing networks of weapons and infrastructure to contain an enemy fluid that can overwhelm poorly designed defenses.

Customize your unique faction in a new take on real-time strategy as you fight in a variety of skirmish, solo, and multiplayer battles. You are not only a commander, but also an engineer – so you have ultimate control over your faction’s units, factories, superweapons and economy.

Why similar: Strategy 54.6%, Multiplayer 32.5%, Indie 9.6%, Singleplayer 3.2%

Why You'll Like It: Customize unit blueprints and build RTS bases around your chosen doctrine, offering Forts-like experimentation within conventional real-time strategy battles.

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.

Why similar: Base Building 40.5%, Building 18%, Multiplayer 17%, Sandbox 15.6%, Strategy 7.3%

Why You'll Like It: Build automated defensive outposts with interconnected power and resource systems, then personally help repel relentless enemy attacks.

The highly anticipated sequel to the best-selling Stronghold, Stronghold Crusader HD throws you into historic battles and castle sieges from the Crusades with fiendish AI opponents, new units, 4 historical campaigns and over 100 unique skirmish missions.

Why similar: Base Building 28.7%, Military 24.8%, Building 20%, Sandbox 15.9%, Strategy 8.7%

Why You'll Like It: Manage a castle economy, construct layered defenses, and use siege engines to assault or survive fortified positions.

Do whatever you want in a physics sandbox full of chaotic destruction, endless player-made creations and unpredictable adventures. Build, destroy, roleplay and mess around solo or with friends!

Why similar: Destruction 33.7%, Building 17.8%, Sandbox 16.5%, Physics 13.7%, Multiplayer 11.7%

A brutal godlike village sim that melds the god game, management, and tower defense genres! Fight off hoards of monsters at night, and expand your village in the day time. Inspired by games like Black and White, Rimworld, and Dwarf Fortress but not quite like any of them.

Why similar: Base Building 40.2%, Strategy 15.1%, Sandbox 14%, Level Editor 9.6%, Pixel Graphics 9.1%

Why You'll Like It: Its survival-focused colony building revolves around laying out defensive structures, managing resources, and holding back nightly assaults.

They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?

Why similar: Base Building 64.4%, Strategy 13.8%, Building 13.4%, Tactical 5.3%, Multiplayer 1.7%

Why You'll Like It: The challenge of designing efficient walls, choke points, production, and layered defenses against overwhelming hordes suits Forts players who enjoy defensive planning.

Be the leader of wobblers from ancient lands, spooky places, and fantasy worlds. Watch them fight in simulations made with the wobbliest physics system ever created, make your own wobblers in the unit creator and send your army off to fight your friends in multiplayer.

Why similar: Sandbox 27.7%, Physics 22.4%, Memes 16.4%, Funny 13.8%, Strategy 11.4%

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.

Why similar: Base Building 39.1%, Sandbox 15.3%, Moddable 15%, Building 10.2%, Multiplayer 8.7%

Dive into a sandbox full of action and customization! Choose from different game modes like deathmatch, conquest, king of the hill, zombie survival and many more. Create your own scenarios and content in the easy to use in-game editors or use one of the 50k+ workshop items from other players...

Why similar: Moddable 28.7%, Sandbox 20.7%, Physics 11.6%, Strategy 8.3%, Military 8.2%

Castle Story is a creative voxel-based strategy game in which you can build castles one brick at a time using an army of little creatures called Bricktrons. Design and build your own castles, expand your territory in a vast landscape and defend your Bricktrons against onslaughts of hostile creatures.

Why similar: Building 36.1%, Sandbox 24.6%, Strategy 15.9%, Multiplayer 14%, Moddable 6.1%

Commander in the ranks. Soldier at heart. Choose a faction and deploy and command your army into massive physics-driven WWII battles to the last man standing. Destroy everything on sight with an insane amount of units that will behave tactically.

Why similar: Sandbox 32.4%, Strategy 25.4%, Physics 15.4%, Action 8.3%, Multiplayer 7.2%

Build a wooden fort, place your units, watch the mayhem!

Why similar: Destruction 18.7%, Base Building 13.7%, Physics 12.2%, Sandbox 11.9%, Military 11.6%

Fight upon the Ravenfield together with your Blue allies! Take down those pesky Reds using helicopters, tanks, guns, and active ragdoll physics!

Why similar: Military 25.3%, Moddable 22.4%, Sandbox 16.9%, Physics 9%, Tactical 8.7%

War Selection is a compelling RTS game featuring base building, resource extraction and warfare. Evolve from a stone age tribe to a distinct industrial nation with unique game mechanics and battle for supremacy with dozens of players on a unique procedurally generated map.

Why similar: Base Building 45.3%, Military 20.5%, Multiplayer 16.7%, Strategy 15.4%, Singleplayer 1.2%

The ultimate physics-based, sandbox battle simulator where you can create funny battles between all sorts of ragdoll creatures! You can also make your own monsters with the unit creator or even join the battles yourself in the first-person mode!

Why similar: Moddable 27%, Memes 17.1%, Sandbox 14.1%, Physics 13%, Tactical 10%

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.

Why similar: Building 39.8%, Multiplayer 18.7%, Strategy 17.4%, Sandbox 14.7%, 2D 3.3%

Become a master strategist in this physics-based Real-Time Tactics game! Command minifig-inspired armies and customize strategies with hand-drawn formations. Conquer unique campaigns for all five armies and unleash massive battles in both single-player and multiplayer modes. Victory awaits!

Why similar: Physics 21.6%, Sandbox 19.8%, Tactical 15.6%, Multiplayer 15.1%, Strategy 10.9%

Unleash your engineering creativity with an engaging and fresh bridge-building simulator with all the bells and whistles. Enjoy hours of physics-based puzzle solving in the Campaign and then jump in the Sandbox to create your own bridge designs and puzzles!

Why similar: Building 33.1%, Physics 22.9%, Level Editor 16.7%, Sandbox 12.9%, Funny 6%

Competitive tower defense meets arcade action and gets rolled up with ACE Team's quirky, Monty Python-esque humor into one giant, creative game for the ages. This time around, you can even make your own levels!

Why similar: Destruction 35.9%, Level Editor 13.8%, Building 12.8%, Multiplayer 12.6%, Strategy 9.6%

Rounds is a 1v1 rogue-lite shooter where each round gets more intense. The losing player of each round unlocks clever upgrades to create a better build to counter their opponent.

Why similar: Multiplayer 39.4%, Physics 38.1%, 2D 9%, Action 8.3%, Indie 5.2%

8-Bit Armies is a retro Real-Time Strategy game. With a colorful, blocky voxel art style, 8-Bit Armies is Petroglyph's most fast-paced, friendly, and accessible RTS game to date. Featuring a campaign of 25 single-player missions, 12 co-op missions, multiplayer and skirmish modes.

Why similar: Strategy 32.3%, Base Building 28.8%, Multiplayer 18.9%, Pixel Graphics 10.3%, Indie 5.5%

Shieldwall is a funny third-person tactical battle simulator with strategy elements. It allows you to feel like a squad leader right on the battlefield.

Why similar: Multiplayer 22.6%, Strategy 19.5%, Funny 17.3%, Physics 14.7%, Sandbox 10.7%

The greatest rock-racing, tower defense, art history game is back! Like the title says, Bigger & Boulder cranks up the surrealism and gameplay with chaotic 4P multiplayer, new time periods, and improved graphics, physics, and destructibility powered by UE4 to be, well… BIGGER AND BOULDER.

Why similar: Strategy 25%, Multiplayer 23.4%, Funny 13.8%, Destruction 13.5%, Memes 11%

Shoot, stab, burn, poison, tear, vaporise, or crush ragdolls in a large open space.

Why similar: Moddable 25.9%, Destruction 21%, Sandbox 18.4%, Physics 14.3%, Building 8.6%

A 2D multiplayer sandbox game revolving around industry, innovation, factions, combat and emergent gameplay. Design factories, customize tools and weapons, fight or trade with other players or get viciously murdered by an angry badger.

Why similar: Base Building 19.6%, Destruction 18.5%, Military 12.6%, Building 11.7%, Physics 11.6%

Step into the boots of a medieval engineer and master the art of siege warfare. In Medieval Machines Builder, you design, build, and operate powerful war machines capable of bringing down even the strongest fortress walls 🏰

Why similar: Destruction 35.7%, Building 19%, Physics 16.8%, Sandbox 14.9%, Funny 6.9%

Extremely Realistic Siege Warfare Simulator is a physics-based tactical strategy game where you must lead a military force in a fantasy medieval world. Build an army. Construct siege equipment. Experience epic battles. Lead your people to victory!!

Why similar: Moddable 24.5%, Building 17.6%, Physics 14.5%, Sandbox 14.5%, Tactical 10.4%

Join the fight and command your worm warriors into battle in the iconic 2D arcade artillery shooter where serious strategy and silly weaponry decide who swims or sinks.

Why similar: Multiplayer 36.5%, Strategy 23.2%, Funny 13.6%, Memes 12.6%, Action 6.9%

Crazy physics and high-speed races! Craft vehicles cleverly by combining building blocks and mechanical parts to create powerful drivetrains. Unlock new parts, race for the gold, and challenge your friends in multiplayer.

Why similar: Destruction 34.3%, Building 24.3%, Physics 20.3%, Multiplayer 15.3%, Action 2.5%

A physics sandbox game for people who like to play with digital toys. Create, control toys and define your goals.

Why similar: Destruction 30.4%, Building 16.4%, Physics 15.2%, Sandbox 14.9%, Memes 8.1%

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.

Why similar: Sandbox 24.9%, Base Building 19.6%, Building 14%, Physics 10.3%, Multiplayer 10.1%

Uncrewed is a real-time strategy game with the ability to design units from scratch. Unlike in more traditional RTS, units obey the laws of physics, making design choices especially important.

Why similar: Base Building 23.1%, Building 18.9%, Sandbox 16.1%, Strategy 15.3%, Physics 9.9%

Unleash voxel warfare in 9-Bit Armies: A Bit Too Far. Lead a modern military, build bases, unlock units, and attack in all-out war. Engage on land, sea and air in over two dozen missions, online skirmishes, or co-op. Easy to learn, a challenge to master.

Why similar: Moddable 24.2%, Base Building 21.9%, Military 15.3%, Sandbox 12.7%, Tactical 10.9%

The original castle sim, Stronghold HD allows you to design, build and destroy historical castles. Engage in medieval warfare against the AI in one of two single player campaigns or online with up to 8 players.

Why similar: Base Building 35%, Building 25.3%, Sandbox 20.4%, Strategy 10.5%, Funny 5.8%