Games like Planet S on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Planet S are available at the bottom of the page.
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United Penguin Kingdom
A city-building game where you build a penguin settlement and satisfy the various needs of your penguins while dealing with seals and killer whales. Enjoy the growth of your settlement, become the king, and lead the United Penguin Kingdom.
Anno 2205™
In Anno 2205™, you join humankind‘s next step into the future with the promise to build a better tomorrow. You conquer Earth, establishing rich, bustling cities and grand industrial complexes, but to secure the prosperity of your people, you must travel into space.
Reshaping Mars
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.
Exogate Initiative
Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.
Dyson Sphere Program
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.
Planetbase
Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.
Stellar Warfare
Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!
Desynced
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.
Offworld Trading Company
Mars has been colonized, and Earth's corporate titans fight to dominate this new market. Competition is fierce in this fast-paced economic RTS from Civilization IV Lead Designer, Soren Johnson.
Planetary Annihilation: TITANS
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!
Startopia
A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...
Surviving Mars
There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.
IXION
IXION is an unrelenting, city-building odyssey across the stars. As Administrator of the Tiqqun, DOLOS’ prototype space station, you are tasked with balancing preservation and exploration as you manage infrastructure, resources and crew. Can you keep the flame of humanity alight in the cold dark?
Creeper World 4
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.
MarZ: Tactical Base Defense
Build your defense base to fight back the undead hordes of Mars and secure the future of the red planet. MarZ is a game of strategy and tactical defense where you must carefully manage your crew and resources as you try to uncover the terrible secrets of the undead.
Oxygen: First Breath
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!
Before We Leave
Before We Leave is a city building game set in a cozy corner of the universe. Nurture your Peeps and their surroundings while rebuilding and rediscovering civilisation. Settle new lands and planets while avoiding hungry Space Whales.
Istrolid
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.
Nexus - The Jupiter Incident
Ambitious megacorporations monopolize the conquest of space and the colonization of the solar system. At the very edge of the solar system, the companies make a discovery that will shift the technological advantage and upset the balance. And so a new conflict is born: "The Jupiter Incident."
Earth 2160
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.
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!Most played games like Planet S on Steam
Take a look at the top games like Planet S that are currently attracting the largest player bases on the Steam platform, as of April 15th 2025.
1. RimWorld
Similarity 57% 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 207,285 reviews of which 203,071 were positive and 4,214 were negative resulting in an impressive rating of 9.7 out of 10. The game has hit the top spot as the #1 most played game like Planet S, thanks to its 35,684 peak concurrent players over the last day.
9.7
203,071
4,214
35,684
players
2. Age of Empires IV: Anniversary Edition
Similarity 53% Celebrating its first year of delighting millions of global players, the award-winning and best-selling strategy franchise continues with Age of Empires IV: Anniversary Edition, putting you at the center of even more epic historical battles that shaped the world. Age of Empires IV: Anniversary Edition is a strategy, rts and base-building game developed by Relic Entertainment, Forgotten Empires, Climax Studios and World's Edge and published by Xbox Game Studios. Released on October 28th 2021 has received 78,584 reviews of which 67,670 were positive and 10,914 were negative resulting in a rating of 8.5 out of 10. While seeing 24,322 players online at once in the last 24 hours, this game is currently ranked #2 among games like Planet S based on player count.
8.5
67,670
10,914
24,322
players
3. Factorio
Similarity 50% 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 212,622 reviews of which 206,226 were positive and 6,396 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 23,861 players online at once in the last 24 hours, this game is currently ranked #3 among games like Planet S based on player count.
9.6
206,226
6,396
23,861
players
4. Stellaris
Similarity 55% Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities. Stellaris is a space, grand strategy and strategy game developed by Paradox Development Studio and published by Paradox Interactive. Released on May 09th 2016 has received 181,672 reviews of which 157,497 were positive and 24,175 were negative resulting in a rating of 8.6 out of 10. With 21,442 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Planet S.
8.6
157,497
24,175
21,442
players
5. Oxygen Not Included
Similarity 55% Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive. Oxygen Not Included is a colony sim, base-building and survival game developed and published by Klei Entertainment. Released on July 30th 2019 has received 127,145 reviews of which 123,019 were positive and 4,126 were negative resulting in an impressive rating of 9.5 out of 10. With 13,414 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Planet S.
9.5
123,019
4,126
13,414
players
6. Anno 1800
Similarity 52% Anno 1800™ – Lead the Industrial Revolution! Welcome to the dawn of the Industrial Age. The path you choose will define your world. Are you an innovator or an exploiter? A conqueror or a liberator? How the world remembers your name is up to you. Anno 1800 is a city builder, strategy and simulation game developed by Ubisoft Mainz and published by Ubisoft. Released on April 16th 2019 has received 23,986 reviews of which 19,441 were positive and 4,545 were negative resulting in a rating of 8.0 out of 10. With 8,620 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Planet S.
8.0
19,441
4,545
8,620
players
7. Age of Empires III: Definitive Edition
Similarity 53% Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product. Age of Empires III: Definitive Edition is a strategy, base-building and rts game developed by World's Edge, Tantalus Media and Forgotten Empires and published by Xbox Game Studios. Released on October 15th 2020 has received 47,511 reviews of which 40,165 were positive and 7,346 were negative resulting in a rating of 8.3 out of 10. With 6,235 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Planet S.
8.3
40,165
7,346
6,235
players
8. Dyson Sphere Program
Similarity 70% Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire. Dyson Sphere Program is a automation, space and base-building game developed by Youthcat Studio and published by Gamera Games. Released on January 20th 2021 has received 84,564 reviews of which 82,585 were positive and 1,979 were negative resulting in an impressive rating of 9.6 out of 10. With 5,796 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Planet S.
9.6
82,585
1,979
5,796
players
9. Space Engineers
Similarity 55% Space Engineers is a sandbox game about engineering, construction, exploration and survival in space and on planets. Players build space ships, space stations, planetary outposts of various sizes and uses, pilot ships and travel through space to explore planets and gather resources to survive. Space Engineers is a space, sandbox and building game developed and published by Keen Software House. Released on February 28th 2019 has received 131,727 reviews of which 116,631 were positive and 15,096 were negative resulting in a rating of 8.7 out of 10. With 4,309 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Planet S.
8.7
116,631
15,096
4,309
players
10. They Are Billions
Similarity 56% 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? They Are Billions is a base-building, colony sim and strategy game developed and published by Numantian Games. Released on June 18th 2019 has received 48,378 reviews of which 41,188 were positive and 7,190 were negative resulting in a rating of 8.4 out of 10. With 3,861 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Planet S.
8.4
41,188
7,190
3,861
players
Best deals on games like Planet S on Steam
Discover fantastic savings with the best discounts on a variety of games like Planet S available on Steam right now, updated on April 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Planet S.
1. Stronghold Crusader 2
Similarity 58% Stronghold Crusader 2 is the long awaited sequel to the original castle sim. After 12 years Stronghold returns to the desert with a new 3D engine and powerful Havok Physics. Crusader 2 recaptures the original game’s addictive, fast-paced gameplay and authentic castle simulation. Stronghold Crusader 2 is a strategy, medieval and city builder game developed and published by FireFly Studios. Released on September 22nd 2014 has received 16,919 reviews of which 12,202 were positive and 4,717 were negative resulting in a rating of 7.1 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like Planet S.
7.1
12,202
4,717
-95%
34.80€
1.74€
2. Tin Can
Similarity 51% You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive? Tin Can is a simulation, space and survival game developed by Tin Can Studio and published by Tin Can Studio and IndieArk. Released on May 12th 2022 has received 1,167 reviews of which 990 were positive and 177 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 94% discount, this game is now the #2 best deal in games like Planet S.
8.1
990
177
-94%
16.67€
1.00€
3. Life is Feudal: Forest Village
Similarity 50% LiF:Forest Village is a city builder with survival aspects in a realistic harsh medieval world. Shape, build and expand your settlement, grow various food to prevent your villagers from avitaminosis and starvation. Possess them for additional micromanagement or simply to wander around. Life is Feudal: Forest Village is a city builder, colony sim and strategy game developed by Mindillusion and published by Bitbox Ltd.. Released on May 26th 2017 has received 5,873 reviews of which 3,892 were positive and 1,981 were negative resulting in a rating of 6.5 out of 10. Thanks to its incredible 93% discount, this game is now the #3 best deal in games like Planet S.
6.5
3,892
1,981
-93%
24.57€
1.72€
4. Frostpunk
Similarity 50% Frostpunk is the first society survival game. As the ruler of the last city on Earth, it is your duty to manage both its citizens and infrastructure. What decisions will you make to ensure your society's survival? What will you do when pushed to breaking point? Who will you become in the process? Frostpunk is a city builder, survival and resource management game developed and published by 11 bit studios. Released on April 24th 2018 has received 121,609 reviews of which 112,488 were positive and 9,121 were negative resulting in an impressive rating of 9.1 out of 10. Currently offered at a significant 91% discount, this title has earned the #4 position in the best deals for games like Planet S.
9.1
112,488
9,121
-91%
30.00€
2.70€
5. Cartel Tycoon
Similarity 50% Cartel Tycoon is a survival business sim inspired by the ‘80s and '90s narco trade. Expand and conquer, fight off rival thugs and evade the authorities. Earn people's loyalty and strive to overcome the doomed fate of a power-hungry drug lord. Cartel Tycoon is a top-down, rts and resource management game developed by Moon Moose and published by tinyBuild. Released on July 26th 2022 has received 3,507 reviews of which 2,680 were positive and 827 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 91% discount, this title has earned the #5 position in the best deals for games like Planet S.
7.4
2,680
827
-91%
27.78€
2.50€
6. I am not a Monster: First Contact
Similarity 50% Retro sci-fi tactical turn-based strategy with an exciting storyline. The Albatross space liner is overrun by lizard-like monsters that can infect humans and turn them into their own kind. Save the passengers and defeat the hostile creatures. I am not a Monster: First Contact is a turn-based tactics, strategy and sci-fi game developed by Cheerdealers and published by Alawar. Released on September 27th 2018 has received 1,255 reviews of which 965 were positive and 290 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 91% discount, this title has earned the #6 position in the best deals for games like Planet S.
7.4
965
290
-91%
11.11€
1.00€
7. VoidExpanse
Similarity 50% Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse! VoidExpanse is a space, rpg and open world game developed and published by AtomicTorch Studio. Released on April 02nd 2015 has received 747 reviews of which 534 were positive and 213 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 91% discount, this title has earned the #7 position in the best deals for games like Planet S.
6.9
534
213
-91%
15.11€
1.36€
8. Transport Fever
Similarity 50% Transport Fever is a railroad-focused tycoon game. Players start in 1850 and build up a thriving transport company. As an emerging transport tycoon, the player constructs stations, airports, harbors and makes money by connecting areas requiring transport services. Build up your own Empire! Transport Fever is a flight, city builder and sandbox game developed by Urban Games and published by Good Shepherd Entertainment. Released on November 08th 2016 has received 10,699 reviews of which 8,917 were positive and 1,782 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 90% discount, this title has earned the #8 position in the best deals for games like Planet S.
8.1
8,917
1,782
-90%
30.20€
3.02€
9. Endzone - A World Apart
Similarity 50% Endzone is a post-apocalyptic survival city builder, where you start a new civilization with a group of people after an ecological disaster. Build them a new home and ensure their survival in a shattered world, threatened by constant radiation, toxic rain, sandstorms and droughts. Endzone - A World Apart is a city builder, survival and strategy game developed by Gentlymad Studios and published by Assemble Entertainment and WhisperGames. Released on March 18th 2021 has received 9,325 reviews of which 7,193 were positive and 2,132 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 90% discount, this title has earned the #9 position in the best deals for games like Planet S.
7.5
7,193
2,132
-90%
29.99€
2.99€
10. Train Fever
Similarity 52% It’s the year 1850, and there are great times ahead! Establish a transport company and be its manager. Build infrastructure such as railways and stations, purchase transportation vehicles and manage lines. Fulfill the people’s needs and watch cities evolve dynamically. Train Fever is a simulation, trains and management game developed by Urban Games and published by Good Shepherd Entertainment. Released on September 04th 2014 has received 3,494 reviews of which 2,247 were positive and 1,247 were negative resulting in a rating of 6.3 out of 10. Currently offered at a significant 90% discount, this title has earned the #10 position in the best deals for games like Planet S.
6.3
2,247
1,247
-90%
19.99€
1.99€
Free games like Planet S on Steam
Check out this fantastic list of free-to-play games like Planet S you can enjoy on Steam right now, updated on April 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Planet S.
1. Age of Empires III: Definitive Edition
Similarity 53% Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product. Age of Empires III: Definitive Edition is a strategy, base-building and rts game developed by World's Edge, Tantalus Media and Forgotten Empires and published by Xbox Game Studios. Released on October 15th 2020 has received 47,511 reviews of which 40,165 were positive and 7,346 were negative resulting in a rating of 8.3 out of 10. With 6,235 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Planet S.
8.3
40,165
7,346
6,235
players
2. Realm Grinder
Similarity 50% Grow your realm, build alliances, and explore one of the deepest idle RPGs ever! Realm Grinder is a free to play, clicker and pixel graphics game developed by Divine Games and published by Kongregate. Released on June 15th 2017 has received 7,027 reviews of which 6,120 were positive and 907 were negative resulting in a rating of 8.5 out of 10. Thanks to its free to play tag and a daily player base of 923, this game has secured the #2 spot in the ranking of free games like Planet S.
8.5
6,120
907
923
players
3. OpenTTD
Similarity 52% OpenTTD is a business simulation game in which players earn money by transporting passengers and cargo via road, rail, water, and air. It is an open-source remake and expansion of the 1995 Chris Sawyer video game Transport Tycoon Deluxe. OpenTTD is a simulation, building and free to play game developed and published by OpenTTD. Released on April 01st 2021 has received 14,119 reviews of which 13,577 were positive and 542 were negative resulting in an impressive rating of 9.4 out of 10. Thanks to its free to play tag and a daily player base of 749, this game has secured the #3 spot in the ranking of free games like Planet S.
9.4
13,577
542
749
players
4. Zoo 2: Animal Park
Similarity 51% Zoo 2: Animal Park – Take care of wild and tame zoo animals in this animal game! Zoo 2: Animal Park is a casual, building and city builder game developed by KING Art and published by upjers. Released on August 24th 2020 has received 1,437 reviews of which 1,131 were positive and 306 were negative resulting in a rating of 7.6 out of 10. Attracting a solid base of 289 players due to its free access, this strategy game has achieved the #4 position in the best free games like Planet S.
7.6
1,131
306
289
players
5. Hades' Star
Similarity 53% A unique space strategy game where thousands of players participate in one shared galaxy. Hades' Star is a free to play, space and strategy game developed and published by Parallel Space Inc. Released on February 27th 2019 has received 2,558 reviews of which 1,861 were positive and 697 were negative resulting in a rating of 7.1 out of 10. Attracting a solid base of 184 players due to its free access, this strategy game has achieved the #5 position in the best free games like Planet S.
7.1
1,861
697
184
players
6. SpellForce 3 Versus Edition
Similarity 55% The SpellForce 3: Versus Edition gives you the chance to enter the battlefields of Eo for free, letting you test your RTS skills against AI opponents or even other human players. SpellForce 3 Versus Edition is a strategy, rpg and building game developed by Grimlore Games and published by THQ Nordic. Released on November 03rd 2020 has received 1,498 reviews of which 1,131 were positive and 367 were negative resulting in a rating of 7.3 out of 10. Attracting a solid base of 120 players due to its free access, this strategy game has achieved the #6 position in the best free games like Planet S.
7.3
1,131
367
120
players
7. Kingdom: Classic
Similarity 50% Kingdom is a 2D sidescrolling strategy/resource management hybrid with a minimalist feel wrapped in a beautiful, modern pixel art aesthetic. Kingdom: Classic is a free to play, singleplayer and strategy game developed by Noio and Licorice and published by Raw Fury. Released on October 21st 2015 has received 21,983 reviews of which 19,934 were positive and 2,049 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #7 spot among the most played free games like Planet S.
8.9
19,934
2,049
72
players
8. Star Realms
Similarity 51% Star Realms is a hugely popular space combat deckbuilding game. Download and play today (note: base set is required to play online) to find out why Star Realms is the winner of SXSW 2014 Board Game of the Year, 7 Golden Geek Awards from BoardGameGeek, and 2 Dice Tower awards! Star Realms is a deckbuilding, strategy and card battler game developed and published by Wise Wizard Games and LLC. Released on March 08th 2016 has received 2,044 reviews of which 1,772 were positive and 272 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #8 spot among the most played free games like Planet S.
8.3
1,772
272
62
players
9. Simutrans
Similarity 52% Simutrans is a freeware and open-source transportation simulator. Your goal is to establish a successful transport company. Transport passengers, mail and goods by rail, road, ship, and even air. Interconnect districts, cities, public buildings, industries and tourist attractions. Simutrans is a simulation, free to play and trains game developed and published by The Simutrans Team. Released on May 24th 2016 has received 616 reviews of which 465 were positive and 151 were negative resulting in a rating of 7.2 out of 10. The game currently holds the #9 spot among the most played free games like Planet S.
7.2
465
151
21
players
10. Kepler-2100
Similarity 53% Kepler-2100 is a space fantasy strategy war game Kepler-2100 is a strategy, space and 3d platformer game developed and published by NCARD. Released on September 24th 2024 has received 423 reviews of which 342 were positive and 81 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #10 spot among the most played free games like Planet S.
7.6
342
81
13
players