Games like Castle Story on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Castle Story are available at the bottom of the page.
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ASTRONEER
Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.
Tinkerlands
Explore, craft, and fight your way through uncharted islands — solo or with up to 4 players in co-op! Tinkerlands is an exciting survival adventure where you will build your settlement, craft useful tools to survive, and even use magic!
Clanfolk
Clanfolk is a colony sim set in the Scottish Highlands. Harness your environment to survive - fish, gather, hunt, and farm as you prepare for the winter. Build an inn, trade with other clans, have children and marry them off - live life and prosper across the generations.
Project Highrise
Project Highrise is a skyscraper construction and management sim...
Worshippers of Cthulhu
LEAD the CULT OF CTHULHU. Decide the fate of your followers, perform eldritch rituals, and master the art of city-building in a world where the line between sanity and madness blurs. Can you endure the horrors you unleash?
Marble Age
Turn-based historical simulation strategy. Develop the Greek civilization from the small village to the great city-state when it will dominate the world!
The Colonists
Build a new home for your team of robots as they begin a new life for themselves on a distant planet where they can fulfil their ultimate dream: to be human.
Portal Knights
The world of Elysia needs YOU! Join this cooperative, 3D sandbox action RPG to level up your character, craft epic weapons, conquer enemies in real-time, and build almost anything! Craft your adventure. Forge your hero. Become the ultimate Portal Knight!
Badlands Crew
Create, customize and command your battle wagon to conquer crazed enemy factions and save innocent survivors scattered throughout the lawless Badlands in the aftermath of a devastating apocalypse. Do you have what it takes to Build, Evolve and Fight to survive?
Stronghold: Warlords
Besiege Great Khans, Imperial warlords and Shōgun commanders in Stronghold: Warlords, the latest 'castle sim' from Firefly Studios. Command AI warlords across the battlefield as you build a castle economy and new gunpowder-fuelled siege engines!
Stronghold: Definitive Edition
Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.
Amazing Cultivation Simulator
Rise up in a search for immortality in this strategy sim and management game based on Chinese mythology. Rebuild your sect and train new disciples through the path of cultivation. Research magic and gather mystical artifacts, face ancient dangers and other sects in your path to spiritual ascension.
Little Big Workshop
Manage your workers, stations, machines and create awesome stuff as your little big workshop grows into your dream factory!
Workers & Resources: Soviet Republic
Build a soviet republic from an impoverished country into a rich industrial superpower in a city builder with intricate production chains and a fully simulated global economy. Manage the lives of your citizens from education to work and party loyalty to criminal activity.
Oxygen
Oxygen is a survival city builder. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and more importantly keep the Oxygen Center running!
One Lonely Outpost
An alien world sometimes needs a farmer’s touch to bring it to life. In this sci-fi, colonization-life sim, terraform a barren world: turn wastelands into verdant landscapes while exploring, farming, building, and unlocking all the mysteries of this strange new planet.
Factorio
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 Wild Eight
The Wild Eight is an intense survival action-adventure set in the frozen wilderness of Alaska. Team up with friends in online co-op or go solo, explore the mysterious land, craft weapons and fight to live another day.
Hell Architect
Hell Architect is a game about building and managing your own hell. You take on a role of a hell manager and are tasked with developing the underworld in a way that would make Lucifer himself fall off his chair.
Soulmask
Escaping a deadly sacrificial ritual, you find an ancient mystical mask on your journey. This mask holds potent knowledge, changing the world you knew. Face the harsh challenges of nature, survive, rally followers, and build your own tribe. Explore and unveil the truths behind the enigmatic mask.
The Settlers® : Heritage of Kings - History Edition
With this modernized History Edition dive into the diversified mix of enthralling build-up matches and exciting real-time fights. Manifold landscapes await to be explored and populated. Includes the main game plus the two expansions.
Surviving the Aftermath
Survive and thrive in a post-apocalyptic future — resources are scarce, but opportunity calls! Build the ultimate disaster proof colony, protect your colonists, and restore civilization to a devastated world.
Most played games like Castle Story on Steam
Take a look at the top games like Castle Story that are currently attracting the largest player bases on the Steam platform, as of June 16th 2025.
1. Rust
Similarity 57% The only aim in Rust is to survive. Everything wants you to die - the island’s wildlife, other inhabitants, the environment, and other survivors. Do whatever it takes to last another night. Rust is a survival, crafting and multiplayer game developed and published by Facepunch Studios. Released on February 08th 2018 has received 1,227,784 reviews of which 1,071,135 were positive and 156,649 were negative resulting in a rating of 8.7 out of 10. The game has hit the top spot as the #1 most played game like Castle Story, thanks to its 88,122 peak concurrent players over the last day.
8.7
1,071,135
156,649
88,122
players
2. ARK: Survival Evolved
Similarity 54% Stranded on the shores of a mysterious island, you must learn to survive. Use your cunning to kill or tame the primeval creatures roaming the land, and encounter other players to survive, dominate... and escape! ARK: Survival Evolved is a open world survival craft, survival and multiplayer game developed by Studio Wildcard, Instinct Games, Efecto Studios and Virtual Basement LLC and published by Studio Wildcard and Snail Games USA. Released on August 27th 2017 has received 730,170 reviews of which 612,177 were positive and 117,993 were negative resulting in a rating of 8.3 out of 10. While seeing 26,954 players online at once in the last 24 hours, this game is currently ranked #2 among games like Castle Story based on player count.
8.3
612,177
117,993
26,954
players
3. RimWorld
Similarity 69% A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more. RimWorld is a colony sim, base-building and survival game developed and published by Ludeon Studios. Released on October 17th 2018 has received 210,517 reviews of which 206,216 were positive and 4,301 were negative resulting in an impressive rating of 9.7 out of 10. While seeing 26,435 players online at once in the last 24 hours, this game is currently ranked #3 among games like Castle Story based on player count.
9.7
206,216
4,301
26,435
players
4. Project Zomboid
Similarity 55% Project Zomboid is the ultimate in zombie survival. Alone or in MP: you loot, build, craft, fight, farm and fish in a struggle to survive. A hardcore RPG skillset, a vast map, massively customisable sandbox and a cute tutorial raccoon await the unwary. So how will you die? All it takes is a bite.. Project Zomboid is a survival, zombies and open world game developed and published by The Indie Stone. Released on November 08th 2013 has received 377,063 reviews of which 355,171 were positive and 21,892 were negative resulting in an impressive rating of 9.3 out of 10. With 25,908 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Castle Story.
9.3
355,171
21,892
25,908
players
5. Terraria
Similarity 55% Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available! Terraria is a open world survival craft, sandbox and survival game developed and published by Re-Logic. Released on May 16th 2011 has received 1,409,473 reviews of which 1,373,979 were positive and 35,494 were negative resulting in an impressive rating of 9.7 out of 10. With 21,319 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Castle Story.
9.7
1,373,979
35,494
21,319
players
6. 7 Days to Die
Similarity 45% 7 Days to Die is an open-world game that is a unique combination of first-person shooter, survival horror, tower defense, and role-playing games. Play the definitive zombie survival sandbox RPG that came first. Navezgane awaits! 7 Days to Die is a survival, zombies and multiplayer game developed by The Fun Pimps and published by The Fun Pimps Entertainment LLC. Released on July 25th 2024 has received 370,046 reviews of which 327,889 were positive and 42,157 were negative resulting in a rating of 8.8 out of 10. With 20,644 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Castle Story.
8.8
327,889
42,157
20,644
players
7. Once Human
Similarity 43% Once Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world. Once Human is a multiplayer, free to play and survival game developed and published by Starry Studio. Released on July 09th 2024 has received 131,199 reviews of which 97,203 were positive and 33,996 were negative resulting in a rating of 7.3 out of 10. With 19,390 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Castle Story.
7.3
97,203
33,996
19,390
players
8. Factorio
Similarity 49% 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. Factorio is a automation, base-building and resource management game developed and published by Wube Software LTD.. Released on August 14th 2020 has received 215,209 reviews of which 208,770 were positive and 6,439 were negative resulting in an impressive rating of 9.6 out of 10. With 18,640 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Castle Story.
9.6
208,770
6,439
18,640
players
9. Valheim
Similarity 46% A brutal exploration and survival game for 1-10 players, set in a procedurally-generated purgatory inspired by viking culture. Battle, build, and conquer your way to a saga worthy of Odin’s patronage! Valheim is a open world survival craft, survival and online co-op game developed by Iron Gate AB and published by Coffee Stain Publishing. Released on February 02nd 2021 has received 499,828 reviews of which 471,451 were positive and 28,377 were negative resulting in an impressive rating of 9.4 out of 10. With 16,586 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Castle Story.
9.4
471,451
28,377
16,586
players
10. Mount & Blade II: Bannerlord
Similarity 42% A strategy/action RPG. Create a character, engage in diplomacy, craft, trade and conquer new lands in a vast medieval sandbox. Raise armies to lead into battle and command and fight alongside your troops in massive real-time battles using a deep but intuitive skill-based combat system. Mount & Blade II: Bannerlord is a medieval, strategy and open world game developed and published by TaleWorlds Entertainment. Released on October 25th 2022 has received 264,391 reviews of which 232,360 were positive and 32,031 were negative resulting in a rating of 8.7 out of 10. With 15,248 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Castle Story.
8.7
232,360
32,031
15,248
players
Best deals on games like Castle Story on Steam
Discover fantastic savings with the best discounts on a variety of games like Castle Story available on Steam right now, updated on June 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Castle Story.
1. Founders' Fortune
Similarity 56% A fantasy village builder focusing on creative building, colonist psychology and base defense. Handle resources, farming, production, tools, diplomacy, families, trading, defense, and research, as well as the wishes, expectations, thoughts, and equipment of every villager. Founders' Fortune is a colony sim, base-building and city builder game developed and published by Dionic Software. Released on December 18th 2020 has received 2,114 reviews of which 1,699 were positive and 415 were negative resulting in a rating of 7.7 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Castle Story.
7.7
1,699
415
-99%
18.99€
0.26€
2. Aven Colony
Similarity 46% Build a new home for humanity in Aven Colony. Discover Aven Prime - an alien planet of deserts, tundras, and wetlands light years from earth. Build your colonies into massive, sprawling cities whilst dealing with the challenges faced when settling on a new world. Aven Colony is a colony sim, city builder and strategy game developed by Mothership Entertainment LLC and published by Team17 Digital Ltd. Released on July 25th 2017 has received 2,638 reviews of which 1,921 were positive and 717 were negative resulting in a rating of 7.1 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Castle Story.
7.1
1,921
717
-99%
29.99€
0.47€
3. Lords and Villeins
Similarity 53% Build a prosperous settlement in a unique simulation of a feudal economy - each family runs their shop, owns their goods, and trades with other villagers in a free market. You will manage the land, build houses, organise events, set taxes, and balance supply and demand while engaging in diplomacy! Lords and Villeins is a colony sim, strategy and city builder game developed by Honestly Games and published by Fulqrum Publishing. Released on November 10th 2022 has received 872 reviews of which 633 were positive and 239 were negative resulting in a rating of 7.0 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Castle Story.
7.0
633
239
-99%
24.99€
0.38€
4. HERO DEFENSE
Similarity 45% CREEPS CRUMBLE. HEROES RISE. Command a team of renegade heroes and impale, slash, tear and burn through legions of undead hell-bent on world domination. Your mission: to defeat the world’s most powerful vampire, Count Necrosis. HERO DEFENSE is a tower defense, strategy and indie game developed by Happy Tuesday and published by Headup. Released on May 31st 2016 has received 747 reviews of which 471 were positive and 276 were negative resulting in a rating of 6.1 out of 10. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like Castle Story.
6.1
471
276
-99%
29.99€
0.56€
5. DG2: Defense Grid 2
Similarity 46% Setting the bar as the definitive tower defense game, Defense Grid 2 introduces new worlds and threats to test your tower placement strategies. With a bold new look and the addition of new game modes, player-versus-player and multiplayer co-op, every play brings fun new opportunities and challenges. DG2: Defense Grid 2 is a strategy, tower defense and indie game developed by Hidden Path Entertainment and published by Hidden Path Entertainment and 505 Games. Released on September 23rd 2014 has received 3,163 reviews of which 2,723 were positive and 440 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for games like Castle Story.
8.3
2,723
440
-98%
12.49€
0.26€
6. Havendock
Similarity 63% Breathe easy and thrive in this cozy colony sim. Build a haven for castaways, manage resources, live your best life on the ocean. Lead your humble settlement into a high-tech society. Havendock is a singleplayer, strategy and city builder game developed by YYZ Studio and published by IndieArk and Pretty Soon. Released on April 22nd 2025 has received 1,399 reviews of which 1,191 were positive and 208 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like Castle Story.
8.1
1,191
208
-98%
19.50€
0.42€
7. CryoFall
Similarity 48% CryoFall is a sci-fi colony simulation survival game set on a forgotten planet in a distant future. Master technology, agriculture, trading, industry, cybernetics, exploration, and more! CryoFall is a colony sim, crafting and pve game developed by AtomicTorch Studio and published by Daedalic Entertainment. Released on April 29th 2021 has received 6,167 reviews of which 4,856 were positive and 1,311 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like Castle Story.
7.7
4,856
1,311
-98%
19.99€
0.49€
8. Autonauts vs Piratebots
Similarity 44% Create, automate and defend an impenetrable base. Assemble and command a Bot army to combat an entire Piratebot invasion. Build, program and battle your way through five different zones. Autonauts vs Piratebots is a simulation, strategy and automation game developed by Denki and published by Curve Games. Released on July 28th 2022 has received 485 reviews of which 382 were positive and 103 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Castle Story.
7.4
382
103
-98%
19.99€
0.43€
9. Rover Mechanic Simulator
Similarity 45% As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components. Rover Mechanic Simulator is a simulation, indie and building game developed by ▲ Pyramid Games and published by Pyramid Games S.A. and PlayWay S.A.. Released on November 12th 2020 has received 637 reviews of which 489 were positive and 148 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Castle Story.
7.3
489
148
-98%
11.79€
0.35€
10. As Far As The Eye
Similarity 68% Build a mobile village and travel with your tribe toward the center of the world, called The Eye. This roguelike turn-based resource-management game is made of procedural situations, natural events, skill-trees and hard choices. Ready to move? As Far As The Eye is a strategy, building and colony sim game developed by Unexpected and published by Unexpected, Goblinz Publishing and Maple Whispering Limited. Released on September 10th 2020 has received 2,080 reviews of which 1,505 were positive and 575 were negative resulting in a rating of 7.0 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like Castle Story.
7.0
1,505
575
-98%
20.99€
0.47€
Free games like Castle Story on Steam
Check out this fantastic list of free-to-play games like Castle Story you can enjoy on Steam right now, updated on June 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Castle Story.
1. Once Human
Similarity 43% Once Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world. Once Human is a multiplayer, free to play and survival game developed and published by Starry Studio. Released on July 09th 2024 has received 131,199 reviews of which 97,203 were positive and 33,996 were negative resulting in a rating of 7.3 out of 10. With 19,390 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Castle Story.
7.3
97,203
33,996
19,390
players
2. XERA: Survival
Similarity 46% Action-focused, open world survival shooter, PvPvE against fellow mercenaries and lethal XOIDS. Raid for resources alone or with team-mates, build and defend your base, stash your gear and survive against the odds. You are the hunters. You are the hunted. And the robots never sleep… XERA: Survival is a base-building, open world survival craft and multiplayer game developed and published by Spotted Kiwi Interactive. Released on September 26th 2021 has received 7,774 reviews of which 5,185 were positive and 2,589 were negative resulting in a rating of 6.6 out of 10. The game currently holds the #2 spot among the most played free games like Castle Story.
6.6
5,185
2,589
33
players
3. Planet S
Similarity 43% Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction. Planet S is a strategy, city builder and multiplayer game developed and published by Glimmerlight Games. Released on October 28th 2023 has received 2,603 reviews of which 2,387 were positive and 216 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #3 spot among the most played free games like Castle Story.
8.8
2,387
216
17
players
4. Cubic Castles
Similarity 57% Your blocks, your castle, your world! Build anything you can dream up and explore with other players! Cubic Castles is a mini-MMO that combines the best of block-building and 3D platform action! Create fantastic parkour challenges, explore worlds made by other players, or even make friend! Cubic Castles is a free to play, open world survival craft and building game developed and published by Cosmic Cow LLC. Released on August 13th 2014 has received 4,280 reviews of which 3,172 were positive and 1,108 were negative resulting in a rating of 7.2 out of 10. The game currently holds the #4 spot among the most played free games like Castle Story.
7.2
3,172
1,108
9
players
5. CHKN
Similarity 57% Behold, the miracle of life… packed into cubes! Create fantastic creatures in an open-world sandbox game like no other. Explore, craft, and survive—all with the help of your very own creations. CHKN is a sandbox, adventure and open world game developed and published by Katapult. Released on April 01st 2016 has received 1,655 reviews of which 1,320 were positive and 335 were negative resulting in a rating of 7.7 out of 10. The game currently holds the #5 spot among the most played free games like Castle Story.
7.7
1,320
335
7
players
6. Islet Online
Similarity 49% Islet Online is a sandbox-style MMORPG. It is all about digging and placing bricks to build your own land. And with various materials from wildlife, bricks can be combined to make useful items, too. Whenever you act, your character gets experience. Islet Online is a massively multiplayer, indie and sandbox game developed and published by Morenori Soft. Released on February 11th 2019 has received 520 reviews of which 404 were positive and 116 were negative resulting in a rating of 7.4 out of 10. The game currently holds the #6 spot among the most played free games like Castle Story.
7.4
404
116
6
players
7. Arid
Similarity 49% Discover the mysteries of the Atacama, explore the abandoned mining networks, evade the scorching sun and survive the environment in one of the most arid place in the world. Arid is a FREE survival game made by students from Breda University. Arid is a open world survival craft, survival and multiplayer game developed by Sad Viscacha Studio and published by Breda University of Applied Sciences. Released on June 29th 2021 has received 1,868 reviews of which 1,620 were positive and 248 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #7 spot among the most played free games like Castle Story.
8.3
1,620
248
5
players
8. MachineCraft
Similarity 47% The main purpose of this game is showing and watching machines made out of blocks. Some of the game-modes allow you to battle or race against other players. (testing phase) You can create your original machine with ease by reassembling those machines that are distributed, or by using the automatic control block. MachineCraft is a free to play, building and sandbox game developed and published by G2CREW. Released on March 25th 2016 has received 889 reviews of which 686 were positive and 203 were negative resulting in a rating of 7.4 out of 10. The game currently holds the #8 spot among the most played free games like Castle Story.
7.4
686
203
5
players
9. Oxygen: First Breath
Similarity 47% This is a free version of Oxygen, featuring the first 50 game-days. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and keep the Oxygen Center running! Oxygen: First Breath is a strategy, base-building and city builder game developed by Turquoise Revival Games and published by GrabTheGames and UpgradePoint. Released on October 07th 2022 has received 1,594 reviews of which 1,432 were positive and 162 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #9 spot among the most played free games like Castle Story.
8.6
1,432
162
4
players
10. Istrolid
Similarity 58% 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. Istrolid is a free to play, building and strategy game developed and published by treeform. Released on May 06th 2016 has received 2,662 reviews of which 2,325 were positive and 337 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #10 spot among the most played free games like Castle Story.
8.4
2,325
337
4
players