Games like Attack of the Earthlings on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Attack of the Earthlings are available at the bottom of the page.
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Star Ruler
Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option to flatten it) from 1 System to 10,000+! Prove your species' ingenuity through a deep and intricate combat system where anything (from individual components on ships to the stars themselves)...
Revenge of the Titans
The ultimate mash-up of Real-time Strategy and Tower Defense!
Solar Flux
Travel across the universe and save dying suns from extinction in this unique and challenging puzzle strategy game. You are the last hope to bring salvation to a perishing universe as you collect and deliver fragments of plasma using your omni-directional ship.
Zombie Tycoon 2: Brainhov's Revenge
Pick your faction, Monster, strategy, and find out who gets to become King of the Undead!
The Banner Saga 2
The award-winning adventure continues in Banner Saga 2! This epic, story-based, role-playing game continues its emotional journey across a breaking world. Bold leadership decisions, wise use of resources, and skillful battle tactics are vital to ensure your viking clans make it through alive.
Achievement Clicker 2018
Feel like a real Achievement hunter! Earn Achievements, upgrades and get the most Achievements on Steam!
Dungeon Warfare 2
Become a dungeon lord to defend your dungeons with the deadliest of traps and insidious contraptions against greedy adventurers and wannabe heroes.
异常 | Exception
Exception is a game about AI programming. During the game, the player assists the units to defeat their enemies in the virtual world. However, the player needs to control the units by programming instead of controlling them directly.
War, the Game
'War, the Game' is a RTS for pc in realistic present day setting.The controls are intuitive, the game rules are simple and transparent.The game focuses on strategy and the use of ones brain to complete the scenarios.The map is a spherical version of earth. That's new.
I'm on Observation Duty 2
Your job is to monitor live surveillance camera footage and spot anomalies in the monitored rooms. Anomalies range from furniture movement to otherworldly intruders. When you spot an anomaly you have to file a report to fix it. You will need sharp eyes and good memory to survive the entire night.
Egypt: Old Kingdom
Strategy simulator of the Great Pyramids period, where you take your path from the unification of Egyptian tribes to the foundation of The First Empire. Developed with the assistance of Egyptologists.
X-COM: Terror From the Deep
The war continues... X-COM: UFO Defense brought you to a galactic battlefield. X-COM: Terror from the Deep brings the alien terror into a totally new dimension.Seeking to take advantage of a weakened Earth, X-COM's deep space foes unexpectedly change strategy and launch a powerful second front against planet Earth.
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!
Sword Legacy: Omen
Survive strategic turn-based combat in this award-winning indie tactical RPG as you embark on an epic revenge quest in search of the long-lost Excalibur.
Weird Worlds: Return to Infinite Space
Weird Worlds: Return to Infinite Space is a hybrid roguelike game of space exploration, adventure and starship combat.
Crown and Council
Crown and Council is a casual strategy game with short game sessions.
Bronze Age - HD Edition
What was it like to be a chief of a tribe in 6000 year B.C.? Oh, you know, the usual - feed your people, build them shelters, defend them from raids of neighbors. And if you are lucky, sooner or later you will build a kingdom and become their king!
Age of Conquest IV
Age of Conquest is a turn-based grand strategy wargame.
Immortal Empire
Immortal Empire is a multiplayer tactics role playing game. Control a party of up to 5 immortals as you travel through a unique fantasy world, using spells and strategy to defeat your enemies. Play co-op, versus, or solo through a compelling campaign storyline with fully voiced characters.
Battle for Wesnoth
The Battle for Wesnoth is an open source, turn-based strategy game with a high fantasy theme. Explore the four corners of Irdya in seventeen solo campaigns and dozens of multiplayer maps, taking part in countless adventures as you go.
Vietnam ‘65
It is 1965 and the US ground war in Vietnam is in full swing. As a US Army commander, wage a counter-insurgency (COIN) war to secure the Ia Drang valley, on the border with Cambodia.
Most played games like Attack of the Earthlings on Steam
Take a look at the top games like Attack of the Earthlings that are currently attracting the largest player bases on the Steam platform, as of June 16th 2025.
1. Sid Meier’s Civilization® VI
Similarity 41% Expand your empire, advance your culture and go head-to-head against history’s greatest leaders. Will your civilization stand the test of time? Sid Meier’s Civilization® VI is a strategy, turn-based strategy and multiplayer game developed by Firaxis Games, Aspyr (Mac) and Aspyr (Linux) and published by Aspyr (Mac), Aspyr (Linux) and 2K. Released on October 20th 2016 has received 349,920 reviews of which 304,053 were positive and 45,867 were negative resulting in a rating of 8.6 out of 10. The game has hit the top spot as the #1 most played game like Attack of the Earthlings, thanks to its 23,194 peak concurrent players over the last day.
8.6
304,053
45,867
23,194
players
2. Civilization IV: Beyond the Sword
Similarity 44% Sid Meier's Civilization IV®: Beyond the Sword is the second expansion pack for Civilization IV - the 2005 PC Game of the Year that has become a worldwide hit. Civilization IV: Beyond the Sword is a strategy, turn-based strategy and 4x game developed by Firaxis Games and published by 2K. Released on July 24th 2007 has received 4,592 reviews of which 4,423 were positive and 169 were negative resulting in an impressive rating of 9.3 out of 10. While seeing 1,579 players online at once in the last 24 hours, this game is currently ranked #2 among games like Attack of the Earthlings based on player count.
9.3
4,423
169
1,579
players
3. Sid Meier's Civilization® III Complete
Similarity 41% Sid Meier's Civilization III: Complete, the latest offering in the Sid Meier's Civilization III franchise, provides gaming fans with Sid Meier's Civilization III, the highly-addictive journey of discovery. Sid Meier's Civilization® III Complete is a strategy, turn-based strategy and turn-based game developed by Firaxis Games and published by 2K. Released on October 25th 2006 has received 7,231 reviews of which 6,485 were positive and 746 were negative resulting in a rating of 8.7 out of 10. While seeing 1,567 players online at once in the last 24 hours, this game is currently ranked #3 among games like Attack of the Earthlings based on player count.
8.7
6,485
746
1,567
players
4. FTL: Faster Than Light
Similarity 45% 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 #4 spot among the most played games like Attack of the Earthlings.
9.4
71,561
3,491
1,423
players
5. Warhammer 40,000: Gladius - Relics of War
Similarity 44% Warhammer 40,000: Gladius – Relics of War brings you to a world of terror and violence. Four factions will engage in a brutal war for dominance over the planet’s resources. In the first turn-based 4X strategy game set in Warhammer 40,000 you will lead one of four unique factions. Warhammer 40,000: Gladius - Relics of War is a strategy, warhammer 40k and 4x game developed by Proxy Studios and published by Slitherine Ltd.. Released on July 12th 2018 has received 14,975 reviews of which 12,195 were positive and 2,780 were negative resulting in a rating of 8.0 out of 10. With 1,126 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Attack of the Earthlings.
8.0
12,195
2,780
1,126
players
6. Plague Inc: Evolved
Similarity 42% Plague Inc: Evolved is a unique mix of high strategy and terrifyingly realistic simulation. Your pathogen has just infected 'Patient Zero' - now you must bring about the end of human history by evolving a deadly, global Plague whilst adapting against everything humanity can do to defend itself. Plague Inc: Evolved is a strategy, simulation and outbreak sim game developed and published by Ndemic Creations. Released on February 18th 2016 has received 55,664 reviews of which 52,571 were positive and 3,093 were negative resulting in an impressive rating of 9.3 out of 10. With 778 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Attack of the Earthlings.
9.3
52,571
3,093
778
players
7. Sid Meier's Civilization® IV
Similarity 41% With over 6 million units sold and unprecedented critical acclaim from fans and press around the world, Sid Meier's Civilization is recognized as one of the greatest PC game franchises of all-time. Now, Sid Meier and Firaxis Games will take this incredibly fun and addictive game to new heights by adding new ways to play and win, new... Sid Meier's Civilization® IV is a strategy, turn-based strategy and turn-based game developed by Firaxis Games and published by 2K. Released on October 25th 2006 has received 3,375 reviews of which 3,134 were positive and 241 were negative resulting in a rating of 8.9 out of 10. With 675 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Attack of the Earthlings.
8.9
3,134
241
675
players
8. XCOM: Enemy Unknown
Similarity 56% The XCOM: Enemy Unknown - Slingshot Pack is Now Available! XCOM: Enemy Unknown is a turn-based strategy, tactical and strategy game developed by Firaxis Games and Feral Interactive (Linux) and published by Feral Interactive (Linux) and 2K. Released on October 11th 2012 has received 56,414 reviews of which 52,717 were positive and 3,697 were negative resulting in an impressive rating of 9.2 out of 10. With 605 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Attack of the Earthlings.
9.2
52,717
3,697
605
players
9. Cosmoteer: Starship Architect & Commander
Similarity 47% 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! Cosmoteer: Starship Architect & Commander is a sci-fi, singleplayer and 2d game developed and published by Walternate Realities. Released on October 24th 2022 has received 11,171 reviews of which 10,618 were positive and 553 were negative resulting in an impressive rating of 9.2 out of 10. With 482 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Attack of the Earthlings.
9.2
10,618
553
482
players
10. ENDLESS™ Space 2
Similarity 44% ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire? ENDLESS™ Space 2 is a strategy, space and sci-fi game developed by AMPLITUDE Studios and published by SEGA. Released on May 18th 2017 has received 22,190 reviews of which 18,526 were positive and 3,664 were negative resulting in a rating of 8.2 out of 10. With 473 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Attack of the Earthlings.
8.2
18,526
3,664
473
players
Best deals on games like Attack of the Earthlings on Steam
Discover fantastic savings with the best discounts on a variety of games like Attack of the Earthlings 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 Attack of the Earthlings.
1. Fell Seal: Arbiter's Mark
Similarity 48% Fell Seal: Arbiter's Mark is a turn-based tactical RPG with a focus on storytelling and strategic battles. Unfold a mature story as you progress through hand-crafted scenarios, controlling your own group of Arbiters, with each character customizable from a wide selection of classes and abilities! Fell Seal: Arbiter's Mark is a rpg, strategy and turn-based tactics game developed by 6 Eyes Studio and published by Fulqrum Publishing. Released on April 30th 2019 has received 5,987 reviews of which 5,281 were positive and 706 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 Attack of the Earthlings.
8.5
5,281
706
-99%
29.99€
0.50€
2. Battlestar Galactica Deadlock
Similarity 46% 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 Attack of the Earthlings.
8.1
2,906
554
-99%
38.99€
0.48€
3. Interstellar Space: Genesis
Similarity 60% 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 Attack of the Earthlings.
7.9
648
124
-99%
27.99€
0.45€
4. 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 #4 position in the best deals for games like Attack of the Earthlings.
7.1
1,921
717
-99%
29.99€
0.47€
5. HERO DEFENSE
Similarity 42% 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 #5 position in the best deals for games like Attack of the Earthlings.
6.1
471
276
-99%
29.99€
0.56€
6. ReignMaker
Similarity 41% ReignMaker: Saving the World One Tower at a Time. ReignMaker is a match-3 game with tower defense, city building, and political strategy elements. Your policy decisions determine the fate of your city and the direction of the story. Your match-3 and tower defense skills determine the fate of the world. ReignMaker is a casual, strategy and indie game developed and published by Frogdice. Released on April 16th 2014 has received 410 reviews of which 260 were positive and 150 were negative resulting in a rating of 6.1 out of 10. Currently offered at a significant 99% discount, this title has earned the #6 position in the best deals for games like Attack of the Earthlings.
6.1
260
150
-99%
14.99€
0.20€
7. XCOM: Enemy Unknown
Similarity 56% The XCOM: Enemy Unknown - Slingshot Pack is Now Available! XCOM: Enemy Unknown is a turn-based strategy, tactical and strategy game developed by Firaxis Games and Feral Interactive (Linux) and published by Feral Interactive (Linux) and 2K. Released on October 11th 2012 has received 56,414 reviews of which 52,717 were positive and 3,697 were negative resulting in an impressive rating of 9.2 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for games like Attack of the Earthlings.
9.2
52,717
3,697
-98%
19.99€
0.47€
8. X-Morph: Defense
Similarity 45% Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle. X-Morph: Defense is a tower defense, strategy and action game developed by and published by Exor Studios. Released on August 30th 2017 has received 3,823 reviews of which 3,506 were positive and 317 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Attack of the Earthlings.
8.8
3,506
317
-98%
19.99€
0.54€
9. Renowned Explorers: International Society
Similarity 45% In this strategic rogue-like you become a famous expedition leader in the 19th century. You form your own crew with the skills and personality to discover legendary treasures, while exploring randomized locations and stories on every new adventure. Renowned Explorers: International Society is a strategy, adventure and rpg game developed and published by Abbey Games. Released on September 02nd 2015 has received 2,847 reviews of which 2,609 were positive and 238 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for games like Attack of the Earthlings.
8.8
2,609
238
-98%
19.99€
0.56€
10. Fibbage XL
Similarity 45% NOTE: This game first appeared in The Jackbox Party Pack. It’s Fibbage XL – The Hilarious Bluffing Party Game in standalone form! Fool your friends with your lies, avoid theirs, and find the (usually outrageous) truth. “The mayor of Rabbit Hash, Kentucky is a ____.” Baby? Rabbit? Ham sandwich? Go! Fibbage XL is a strategy, casual and indie game developed and published by Jackbox Games and Inc.. Released on March 24th 2016 has received 318 reviews of which 301 were positive and 17 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for games like Attack of the Earthlings.
8.7
301
17
-98%
9.99€
0.22€
Free games like Attack of the Earthlings on Steam
Check out this fantastic list of free-to-play games like Attack of the Earthlings 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 Attack of the Earthlings.
1. Battle for Wesnoth
Similarity 50% The Battle for Wesnoth is an open source, turn-based strategy game with a high fantasy theme. Explore the four corners of Irdya in seventeen solo campaigns and dozens of multiplayer maps, taking part in countless adventures as you go. Battle for Wesnoth is a free to play, strategy and turn-based strategy game developed by The Battle for Wesnoth Project and published by Wesnoth Inc.. Released on May 01st 2018 has received 5,356 reviews of which 5,041 were positive and 315 were negative resulting in an impressive rating of 9.1 out of 10. With 159 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Attack of the Earthlings.
9.1
5,041
315
159
players
2. Age of Conquest IV
Similarity 50% Age of Conquest is a turn-based grand strategy wargame. Age of Conquest IV is a free to play, strategy and turn-based strategy game developed and published by Noble Master LLC. Released on April 05th 2016 has received 2,748 reviews of which 2,242 were positive and 506 were negative resulting in a rating of 7.9 out of 10. The game currently holds the #2 spot among the most played free games like Attack of the Earthlings.
7.9
2,242
506
16
players
3. Rogue Agent
Similarity 48% Rogue Agent is a turn-based strategy game, fast-paced, that pits the player against the computer on a secret service thriller around the world. Rogue Agent is a free to play, strategy and casual game developed by Jorge Aires and published by . Released on April 29th 2018 has received 409 reviews of which 345 were positive and 64 were negative resulting in a rating of 7.9 out of 10. The game currently holds the #3 spot among the most played free games like Attack of the Earthlings.
7.9
345
64
16
players
4. War of Omens Card Game
Similarity 46% War of Omens is a CCG with a unique Deckbuilder combat system and deep strategy. Set in a masterfully crafted dark fantasy world, it features fast, strategic battles with 4 distinct factions and over 20 heroes. Challenge the online ladder, conquer the story mode, or compete in a cross faction draft! War of Omens Card Game is a free to play, strategy and indie game developed and published by Fifth Column Games. Released on February 18th 2019 has received 682 reviews of which 589 were positive and 93 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #4 spot among the most played free games like Attack of the Earthlings.
8.1
589
93
14
players
5. Landfall Archives
Similarity 41% Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017! Landfall Archives is a physics, comedy and singleplayer game developed and published by landfall. Released on March 31st 2023 has received 3,186 reviews of which 3,026 were positive and 160 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #5 spot among the most played free games like Attack of the Earthlings.
9.1
3,026
160
13
players
6. Demise of Nations
Similarity 50% Demise of Nations is a 4X turn-based grand strategy wargame covering the rise of Rome till the fall of modern civilization. Demise of Nations is a free to play, strategy and indie game developed and published by Noble Master LLC. Released on August 08th 2017 has received 523 reviews of which 423 were positive and 100 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #6 spot among the most played free games like Attack of the Earthlings.
7.6
423
100
9
players
7. Clatter
Similarity 59% Create and command your own customizable squads of fighting robots in this turn-based, arena tactics game. Clatter is a strategy, indie and turn-based game developed and published by Facepunch Studios. Released on December 10th 2018 has received 1,146 reviews of which 948 were positive and 198 were negative resulting in a rating of 7.9 out of 10. The game currently holds the #7 spot among the most played free games like Attack of the Earthlings.
7.9
948
198
4
players
8. Boid
Similarity 42% Boid is real-time strategy at its most primal - your only resource is your army. No funds to manage or infrastructures to build. It’s a kill or be killed battle of rapid decisions to dominate the gene pool. Boid is a free to play, strategy and indie game developed by Mokus and published by tinyBuild. Released on July 08th 2016 has received 743 reviews of which 594 were positive and 149 were negative resulting in a rating of 7.6 out of 10. The game currently holds the #8 spot among the most played free games like Attack of the Earthlings.
7.6
594
149
2
players
9. Immortal Empire
Similarity 50% Immortal Empire is a multiplayer tactics role playing game. Control a party of up to 5 immortals as you travel through a unique fantasy world, using spells and strategy to defeat your enemies. Play co-op, versus, or solo through a compelling campaign storyline with fully voiced characters. Immortal Empire is a free to play, strategy and rpg game developed and published by Tactic Studios Inc.. Released on December 03rd 2015 has received 306 reviews of which 221 were positive and 85 were negative resulting in a rating of 6.8 out of 10. The game currently holds the #9 spot among the most played free games like Attack of the Earthlings.
6.8
221
85
2
players
10. Epic Arena
Similarity 41% Epic Arena is a free-to-play turn-based strategy game. Pick one of three completely different teams and outwit your opponent in epic back-and-forth matches. Flex your tactical muscles in time-limited Blitz mode matches or take your time in turn-by-turn duels. Epic Arena is a free to play, strategy and indie game developed and published by Shadow Masters. Released on May 05th 2015 has received 300 reviews of which 196 were positive and 104 were negative resulting in a rating of 6.3 out of 10. The game currently holds the #10 spot among the most played free games like Attack of the Earthlings.
6.3
196
104
2
players