Games like Kepler-2100 on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Kepler-2100 are available at the bottom of the page.

Filters & Lists
Becastled Becastled is about building and defending your castle from sieges in a fantasy world!

Similarity 47%
Price 14.99€
Rating 8.0
Release 08 Feb 2021
Battlefleet Gothic: Armada 2 Battlefleet Gothic: Armada 2 is the new real-time strategy game adapted from Games Workshop’s famous tabletop game that portrays the epic space battles of the Warhammer 40,000 universe.

Similarity 47%
Price -85% 3.09€
Rating 7.4
Release 24 Jan 2019
Planets Under Attack Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies.

Similarity 47%
Price -98% 0.26€
Rating 7.0
Release 27 Sep 2012
ENDLESS™ Space - Definitive Edition ENDLESS™ Space is a turn-based 4X strategy game, covering the space colonization age in the Endless universe, where you can control every aspect of your civilization as you strive for galactic domination.

Similarity 47%
Price 9.99€
Rating 7.9
Release 04 Jul 2012
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?

Similarity 46%
Price -75% 8.64€
Rating 7.7
Release 07 Dec 2022
AI War: Fleet Command "You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...

Similarity 46%
Price -95% 0.54€
Rating 7.9
Release 21 Oct 2009
Galaxy Squad Galaxy squad is a hardcore turn-based tactical roguelike, inspired by FTL and XCOM.

Similarity 46%
Price 9.75€
Rating 7.1
Release 15 Jul 2019
Total War: EMPIRE – Definitive Edition Command the seas, control the land, forge a new nation, and conquer the globe.

Similarity 46%
Price -75% 6.24€
Rating 8.9
Release 04 Mar 2009
Distant Worlds: Universe Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game.

Similarity 46%
Price -98% 0.65€
Rating 7.3
Release 23 May 2014
Battlefleet Gothic: Armada Battlefleet Gothic: Armada is the RTS videogame adaptation of Games Workshop’s classic tabletop game, pitting the Chaos, Imperium, Eldar, and Orks against each other in visceral space-battles.

Similarity 46%
Price -79% 3.20€
Rating 6.7
Release 21 Apr 2016
Age of Empires III: Definitive Edition 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.

Similarity 46%
Price Free to play
Rating 8.3
Release 15 Oct 2020
Call to Arms Call to Arms offers an innovative mix of real-time strategy and 3rd, as well as 1st person controls. Set in the time of modern warfare, the game offers realistically modeled vehicles and heavy weaponry. Command your troops to victory or fight by yourself in the 3rd or 1st person action mode.

Similarity 46%
Price 14.99€
Rating 7.8
Release 27 Apr 2018
Steel Division 2 Steel Division 2 is a historically-accurate WW2 real-time strategy game set on the Eastern Front. Features 1:1-scale turn-based army management and real-time tactical battles with thousands of men at your order.

Similarity 45%
Price -66% 13.85€
Rating 7.8
Release 20 Jun 2019
X2: The Threat X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics engine gives the universe a fresher feel with newly designed ships and stations adding to the complexity of the universe.

Similarity 45%
Price 4.99€
Rating 7.8
Release 21 Jul 2006
Total War: THREE KINGDOMS Total War: THREE KINGDOMS is the first in the award-winning series to recreate epic conflict across ancient China. Combining a gripping turn-based campaign of empire-building & conquest with stunning real-time battles, THREE KINGDOMS redefines the series in an age of heroes & legends.

Similarity 45%
Price -88% 7.33€
Rating 7.2
Release 23 May 2019
The Final Earth 2 The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?

Similarity 45%
Price 9.75€
Rating 8.9
Release 15 Jul 2022
WARNO Realistic, immersive, breathtaking. WARNO is the ultimate World War III battle simulator from the masters of strategy, Eugen Systems. A Cold War turns decisively hot as you command hundreds of units on a beautiful and brutal battlefield. Outsmart, outfight, and lead your forces to total victory.

Similarity 45%
Price -16% 33.91€
Rating 8.0
Release 23 May 2024
Gratuitous Space Battles Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.

Similarity 45%
Price 14.79€
Rating 6.9
Release 16 Nov 2009
Space Run Space Run is a «real-time spaceship construction strategy game». Space Run takes the well-known Tower Defense-style gameplay and twists it, challenging you to manage and protect a spaceship and its cargo against the hazards of deep space!

Similarity 45%
Price 4.99€
Rating 8.2
Release 13 Jun 2014
Blitzkrieg Anthology March into the real-time strategy legend, Blitzkrieg, and prepare for war. This legendary WWII RTS blends unprecedented realism and accuracy to form immersive 3D backgrounds and a game where brute force often takes a back seat to strategy and wits.

Similarity 45%
Price -91% 0.48€
Rating 8.6
Release 16 Sep 2014
Blitzkrieg 2 Anthology Return to the bloody battlefields of World War II in this epic sequel. Blitzkrieg 2 returns you to the gritty realism of WWII battles while pushing your focus into new, strategic opportunities during global war!

Similarity 45%
Price 4.99€
Rating 8.1
Release 16 Sep 2014
Epicinium Epicinium is a strategy game where nature is a finite resource. No need to wait for your move, thanks to fast, simultaneous turns. Your economy and troops are influenced by the environment and increasingly severe weather effects. Is it worth winning a war when you end up conquering dirt and ash?

Similarity 44%
Price Free to play
Rating 8.1
Release 12 Oct 2020
First Strike FIRST STRIKE is a fast paced real time strategy game where you play one of the twelve biggest nuclear superpowers of the world – from known superpowers like the USA to an upstart hellraiser like North Korea – and try to be the last one remaining when the whole world blows to smithereens.

Similarity 44%
Price 11.99€
Rating 7.5
Release 30 May 2017
Homeworld: Deserts of Kharak A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive.

Similarity 44%
Price -99% 0.88€
Rating 7.8
Release 20 Jan 2016

Most played games like Kepler-2100 on Steam

Take a look at the top games like Kepler-2100 that are currently attracting the largest player bases on the Steam platform, as of June 16th 2025.

1. Stellaris

Similarity 43% 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 185,433 reviews of which 159,527 were positive and 25,906 were negative resulting in a rating of 8.5 out of 10. The game has hit the top spot as the #1 most played game like Kepler-2100, thanks to its 13,555 peak concurrent players over the last day.
8.5
159,527
25,906

13,555
players

2. Age of Empires III: Definitive Edition

Similarity 46% 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 48,342 reviews of which 40,941 were positive and 7,401 were negative resulting in a rating of 8.3 out of 10. While seeing 3,597 players online at once in the last 24 hours, this game is currently ranked #2 among games like Kepler-2100 based on player count.
8.3
40,941
7,401

3,597
players

3. STAR WARS™ Empire at War - Gold Pack

Similarity 53% Command or corrupt an entire galaxy in the definitive Star Wars strategy collection. It is a time of galactic civil war. Will you take up the reins of the Rebellion, assume control of the Empire, or rule the Star Wars Underworld? STAR WARS™ Empire at War - Gold Pack is a strategy, rts and space game developed by Petroglyph and published by LucasArts, Lucasfilm and Disney. Released on May 25th 2010 has received 39,435 reviews of which 38,503 were positive and 932 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 2,985 players online at once in the last 24 hours, this game is currently ranked #3 among games like Kepler-2100 based on player count.
9.6
38,503
932

2,985
players

4. Total War: THREE KINGDOMS

Similarity 45% Total War: THREE KINGDOMS is the first in the award-winning series to recreate epic conflict across ancient China. Combining a gripping turn-based campaign of empire-building & conquest with stunning real-time battles, THREE KINGDOMS redefines the series in an age of heroes & legends. Total War: THREE KINGDOMS is a strategy, historical and war game developed by Creative Assembly and Feral Interactive (Linux) and published by Feral interactive (Mac), Feral Interactive (Linux) and SEGA. Released on May 23rd 2019 has received 103,745 reviews of which 74,951 were positive and 28,794 were negative resulting in a rating of 7.2 out of 10. With 2,562 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Kepler-2100.
7.2
74,951
28,794

2,562
players

5. Total War: EMPIRE – Definitive Edition

Similarity 46% Command the seas, control the land, forge a new nation, and conquer the globe. Total War: EMPIRE – Definitive Edition is a strategy, historical and military game developed by Creative Assembly and Feral Interactive (Linux) and published by Feral interactive (Mac), Feral Interactive (Linux) and SEGA. Released on March 04th 2009 has received 35,480 reviews of which 32,211 were positive and 3,269 were negative resulting in a rating of 8.9 out of 10. With 2,365 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Kepler-2100.
8.9
32,211
3,269

2,365
players

6. Dyson Sphere Program

Similarity 40% 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 Gamirror Games. Released on January 20th 2021 has received 85,088 reviews of which 83,095 were positive and 1,993 were negative resulting in an impressive rating of 9.6 out of 10. With 1,871 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Kepler-2100.
9.6
83,095
1,993

1,871
players

7. FTL: Faster Than Light

Similarity 43% This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat. FTL: Faster Than Light is a rogue-like, space and strategy game developed and published by Subset Games. Released on September 14th 2012 has received 75,052 reviews of which 71,561 were positive and 3,491 were negative resulting in an impressive rating of 9.4 out of 10. With 1,423 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Kepler-2100.
9.4
71,561
3,491

1,423
players

8. Total War: NAPOLEON – Definitive Edition

Similarity 42% Complete your Total War collection with this Definitive Edition of Total War: NAPOLEON, which includes all DLC and feature updates since the game’s release Total War: NAPOLEON – Definitive Edition is a strategy, historical and grand strategy game developed by Creative Assembly and published by Feral interactive (Mac) and SEGA. Released on February 25th 2010 has received 25,365 reviews of which 23,179 were positive and 2,186 were negative resulting in a rating of 8.9 out of 10. With 1,126 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Kepler-2100.
8.9
23,179
2,186

1,126
players

9. WARNO

Similarity 45% Realistic, immersive, breathtaking. WARNO is the ultimate World War III battle simulator from the masters of strategy, Eugen Systems. A Cold War turns decisively hot as you command hundreds of units on a beautiful and brutal battlefield. Outsmart, outfight, and lead your forces to total victory. WARNO is a wargame, military and real time tactics game developed and published by Eugen Systems. Released on May 23rd 2024 has received 12,671 reviews of which 10,303 were positive and 2,368 were negative resulting in a rating of 8.0 out of 10. With 962 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Kepler-2100.
8.0
10,303
2,368

962
players

10. Company of Heroes

Similarity 41% Delivering a visceral WWII gaming experience, Company of Heroes redefines RTS by bringing the sacrifice of heroic soldiers, war-ravaged environments, and dynamic battlefields to life. Please visit the "Company of Heroes - Legacy Edition" page for additional user reviews. Company of Heroes is a strategy, world war ii and rts game developed by Relic Entertainment and published by SEGA. Released on September 11th 2006 has received 16,971 reviews of which 16,025 were positive and 946 were negative resulting in an impressive rating of 9.2 out of 10. With 858 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Kepler-2100.
9.2
16,025
946

858
players

Best deals on games like Kepler-2100 on Steam

Discover fantastic savings with the best discounts on a variety of games like Kepler-2100 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 Kepler-2100.

1. Starship Troopers: Terran Command

Similarity 50% Lead the Mobile Infantry in this RTS game set in the Starship Troopers film universe. Balance your army composition with a diverse set of unit types, overcome line-of-sight and line-of-fire challenges through tactical positioning, and use special abilities to smash the Arachnid hordes! Starship Troopers: Terran Command is a strategy, rts and singleplayer game developed by The Artistocrats and published by Slitherine Ltd.. Released on June 16th 2022 has received 10,784 reviews of which 9,461 were positive and 1,323 were negative resulting in a rating of 8.5 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for games like Kepler-2100.
8.5
9,461
1,323

-99% 28.99€ 0.46€

2. Battlestar Galactica Deadlock

Similarity 52% In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival? Battlestar Galactica Deadlock is a strategy, space and sci-fi game developed by Black Lab Games and published by Slitherine Ltd.. Released on August 31st 2017 has received 3,460 reviews of which 2,906 were positive and 554 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Kepler-2100.
8.1
2,906
554

-99% 38.99€ 0.48€

3. Interstellar Space: Genesis

Similarity 41% Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy! Interstellar Space: Genesis is a strategy, indie and 4x game developed and published by Praxis Games. Released on July 25th 2019 has received 772 reviews of which 648 were positive and 124 were negative resulting in a rating of 7.9 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Kepler-2100.
7.9
648
124

-99% 27.99€ 0.45€

4. Homeworld: Deserts of Kharak

Similarity 44% A ground-based RTS prequel to the classic Homeworld games. Assemble your fleet and lead them to victory on the shifting sands of Kharak in this compelling strategy game for PC from Blackbird Interactive. Homeworld: Deserts of Kharak is a strategy, rts and sci-fi game developed by Blackbird Interactive and published by Gearbox Publishing. Released on January 20th 2016 has received 8,519 reviews of which 6,789 were positive and 1,730 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like Kepler-2100.
7.8
6,789
1,730

-99% 45.99€ 0.88€

5. Aven Colony

Similarity 41% 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. Currently offered at a significant 99% discount, this title has earned the #5 position in the best deals for games like Kepler-2100.
7.1
1,921
717

-99% 29.99€ 0.47€

6. Shortest Trip to Earth

Similarity 40% Shortest Trip to Earth is a roguelike spaceship simulator focused on exploration, ship management and tactical battles. Embark on a perilous journey across the universe with nuclear missiles, armed crew and a cat. Shortest Trip to Earth is a rogue-lite, space and strategy game developed and published by Interactive Fate. Released on August 15th 2019 has received 1,390 reviews of which 1,072 were positive and 318 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for games like Kepler-2100.
7.4
1,072
318

-98% 25.13€ 0.53€

7. Distant Worlds: Universe

Similarity 46% Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game. Distant Worlds: Universe is a strategy, 4x and space game developed by Code Force and published by Slitherine Ltd.. Released on May 23rd 2014 has received 1,819 reviews of which 1,377 were positive and 442 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like Kepler-2100.
7.3
1,377
442

-98% 28.99€ 0.65€

8. Planets Under Attack

Similarity 47% Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies. Planets Under Attack is a strategy, indie and space game developed by Targem Games and published by TopWare Interactive. Released on September 27th 2012 has received 1,119 reviews of which 808 were positive and 311 were negative resulting in a rating of 7.0 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Kepler-2100.
7.0
808
311

-98% 11.79€ 0.26€

9. Men of War: Assault Squad 2

Similarity 41% Men of War: Assault Squad 2 features new single player style skirmish modes that take players from extreme tank combat to deadly sniper stealth missions. Commanders can now faceoff against opponents on various new multiplayer 1v1 – 8v8 maps. Men of War: Assault Squad 2 is a strategy, world war ii and war game developed by Digitalmindsoft and published by Fulqrum Publishing. Released on May 15th 2014 has received 44,401 reviews of which 40,520 were positive and 3,881 were negative resulting in a rating of 9.0 out of 10. Currently offered at a significant 97% discount, this title has earned the #9 position in the best deals for games like Kepler-2100.
9.0
40,520
3,881

-97% 29.99€ 1.18€

10. Company of Heroes: Opposing Fronts

Similarity 40% The next chapter in the #1 rated RTS franchise thrusts players into a hellish war torn landscape to command two battle-hardened armies in relentless campaigns for honor and country. Players lead the tenacious British 2nd Army during the heroic World War II liberation of Caen, France, and command the German Panzer Elite as they struggle... Company of Heroes: Opposing Fronts is a strategy, rts and world war ii game developed by Relic Entertainment and published by SEGA. Released on September 24th 2007 has received 1,138 reviews of which 1,045 were positive and 93 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 97% discount, this title has earned the #10 position in the best deals for games like Kepler-2100.
8.7
1,045
93

-97% 18.49€ 0.62€

Free games like Kepler-2100 on Steam

Check out this fantastic list of free-to-play games like Kepler-2100 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 Kepler-2100.

1. Age of Empires III: Definitive Edition

Similarity 46% 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 48,342 reviews of which 40,941 were positive and 7,401 were negative resulting in a rating of 8.3 out of 10. With 3,597 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Kepler-2100.
8.3
40,941
7,401

3,597
players

2. War Selection

Similarity 42% 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. War Selection is a strategy, base-building and free to play game developed and published by Glyph Worlds. Released on October 08th 2019 has received 21,854 reviews of which 18,745 were positive and 3,109 were negative resulting in a rating of 8.4 out of 10. Thanks to its free to play tag and a daily player base of 486, this game has secured the #2 spot in the ranking of free games like Kepler-2100.
8.4
18,745
3,109

486
players

3. War Planet Online: Global Conquest

Similarity 40% Build your army, dominate your region and lead your alliance to conquer the globe! War Planet Online: Global Conquest is a strategy, massively multiplayer and building game developed and published by Gameloft. Released on December 19th 2017 has received 911 reviews of which 579 were positive and 332 were negative resulting in a rating of 6.2 out of 10. Thanks to its free to play tag and a daily player base of 155, this game has secured the #3 spot in the ranking of free games like Kepler-2100.
6.2
579
332

155
players

4. Star Trek Timelines

Similarity 44% Explore the Final Frontier in the ultimate sci-fi strategy RPG, Star Trek Timelines! Join Starfleet and overcome challenges as you boldly go where no game has gone before – across the entire history of Star Trek. Star Trek Timelines is a free to play, strategy and space game developed and published by Tilting Point. Released on July 12th 2017 has received 1,430 reviews of which 938 were positive and 492 were negative resulting in a rating of 6.4 out of 10. Attracting a solid base of 148 players due to its free access, this strategy game has achieved the #4 position in the best free games like Kepler-2100.
6.4
938
492

148
players

5. Pixel Starships

Similarity 48% Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven. Pixel Starships is a sci-fi, space and strategy game developed and published by SavySoda. Released on May 23rd 2023 has received 2,732 reviews of which 2,008 were positive and 724 were negative resulting in a rating of 7.1 out of 10. Attracting a solid base of 117 players due to its free access, this strategy game has achieved the #5 position in the best free games like Kepler-2100.
7.1
2,008
724

117
players

6. Hades' Star

Similarity 50% 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 2,577 reviews of which 1,874 were positive and 703 were negative resulting in a rating of 7.1 out of 10. Attracting a solid base of 104 players due to its free access, this strategy game has achieved the #6 position in the best free games like Kepler-2100.
7.1
1,874
703

104
players

7. World War Armies

Similarity 40% World War Armies is the ultimate PvP real-time strategy game. Command advanced war machines and compete for free against other players worldwide. Revolutionary mechanics reduce downtime and focus on direct engagement with the enemy, you get to the fun parts of RTS faster. World War Armies is a rts, pvp and strategy game developed and published by Hypemasters and Inc.. Released on May 02nd 2024 has received 769 reviews of which 479 were positive and 290 were negative resulting in a rating of 6.1 out of 10. The game currently holds the #7 spot among the most played free games like Kepler-2100.
6.1
479
290

36
players

8. Planet S

Similarity 54% 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 #8 spot among the most played free games like Kepler-2100.
8.8
2,387
216

17
players

9. Istrolid

Similarity 52% 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 #9 spot among the most played free games like Kepler-2100.
8.4
2,325
337

4
players

10. Epicinium

Similarity 44% Epicinium is a strategy game where nature is a finite resource. No need to wait for your move, thanks to fast, simultaneous turns. Your economy and troops are influenced by the environment and increasingly severe weather effects. Is it worth winning a war when you end up conquering dirt and ash? Epicinium is a turn-based strategy, pvp and military game developed and published by A Bunch of Hacks. Released on October 12th 2020 has received 302 reviews of which 265 were positive and 37 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #10 spot among the most played free games like Kepler-2100.
8.1
265
37

1
players