Games like Alien Marauder on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Alien Marauder are available at the bottom of the page.
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TFM: The First Men
An open-world colony sim based on stories of the first men. Infinite possibilities await your very own Adam and Eve as they embark on a generation-spanning adventure. How will you shape their future?
Black Forest
Danger, death, and despair define Black Forest. As the chief of an unlucky village, your goal is to survive. Gather resources, shore up the village, then survive the terrifying night. Maybe you'll hold out long enough for relief to arrive. Maybe not. Are you up to the challenge?
Colony Survival
Colony Survival is a unique first-person strategy game developed by a two-man team. Build your own colony in a voxel world. Command guards, farmers, miners and other colonists. Defend your colony against the horde of monsters that attacks every night!
They Are Billions
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?
The Pioneers: Surviving Desolation
Deep and innovative space survival simulation experience. Build your station, manage your crew and explore the harsh environment of Io, the innermost moon of Jupiter. Are you brave enough to survive?
Rogue Command
Classic RTS gameplay fused with a modern roguelike. Shape your build each run by assembling an evolving arsenal of powerful units and facilities. Harvest resources, build out your base. Raise your army and call down orbital strikes to overcome the forces threatening your survival.
Songs of Syx
Songs of Syx is a fantasy city-builder where you start off as an insignificant colony and build, scheme, and fight your way towards a metropolis and empire. The mechanics are complex and true to life, where small events can spiral into the collapse of kingdoms. Try the unlimited demo first!
Oxygen Not Included
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.
Zombie Cure Lab
In a world overrun by the undead, build a lab to fight back with science. Manage survivors, gather vital resources, and turn zombies into allies. Defend your base and research the cure to reclaim humanity.
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.
Roman Triumph: Survival City Builder
At the northern fringes of the empire, a new Roman city is born! Manage and grow your city, please the gods, and survive against barbarians and mythological threats to achieve Roman Triumph!
RimWorld
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.
The Bonfire 2: Uncharted Shores
Build, survive, explore. Design your city, manage resource chains and workers, Send ships on expedition, trade with cities, discover mysterious dungeons and uncover secrets of ancients.
New Cycle
New Cycle is a city building game with focus on survival. After an apocalyptic series of solar flares, human society has been thrown into disarray. Establish a settlement and develop it all the way from humble beginnings to industrial metropolis.
From Glory To Goo
From Glory To Goo is a Sci-Fi survival RTS set on an alien world. Serve as humanity's bulwark by establishing a colony and supporting your colonists still in orbit. But beware, for The Goo, a relentless and shape-shifting force approaches from all sides, even above and below.
The Wandering Village
The Wandering Village is a city-building simulation game on the back of a giant, wandering creature. Build your settlement and form a symbiotic relationship with the colossus. Will you survive together in this hostile, yet beautiful post-apocalyptic world, contaminated by poisonous plants?
Ratopia
Ratopia is a new game that has combined elements of both strategic survival and city building. With plenty of content available, and more planned, enjoy a vast world to adventure and populate with citizens! Build your own economical system to sustain your ideal city of Ratopia.
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.
Solargene
Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions
Most played games like Alien Marauder on Steam
Take a look at the top games like Alien Marauder that are currently attracting the largest player bases on the Steam platform, as of June 15th 2025.
1. RimWorld
Similarity 59% 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. The game has hit the top spot as the #1 most played game like Alien Marauder, thanks to its 27,800 peak concurrent players over the last day.
9.7
206,216
4,301
27,800
players
2. Age of Empires II: Definitive Edition
Similarity 40% 42 Civilizations, 229 Campaign Missions, Singleplayer, Co-Op, Multiplayer, In-Game Editor, Mods, Cross-play...It is good to be the king. Age of Empires II: Definitive Edition is a strategy, rts and city builder game developed by Forgotten Empires, Tantalus Media, Wicked Witch, World's Edge and CaptureAge and published by Xbox Game Studios. Released on November 14th 2019 has received 162,462 reviews of which 154,061 were positive and 8,401 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 17,203 players online at once in the last 24 hours, this game is currently ranked #2 among games like Alien Marauder based on player count.
9.4
154,061
8,401
17,203
players
3. Oxygen Not Included
Similarity 60% 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 128,390 reviews of which 124,220 were positive and 4,170 were negative resulting in an impressive rating of 9.5 out of 10. While seeing 9,589 players online at once in the last 24 hours, this game is currently ranked #3 among games like Alien Marauder based on player count.
9.5
124,220
4,170
9,589
players
4. Age of Empires IV: Anniversary Edition
Similarity 44% 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 80,870 reviews of which 69,559 were positive and 11,311 were negative resulting in a rating of 8.5 out of 10. With 7,469 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Alien Marauder.
8.5
69,559
11,311
7,469
players
5. Age of Empires III: Definitive Edition
Similarity 47% 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 3,894 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Alien Marauder.
8.3
40,941
7,401
3,894
players
6. Soulmask
Similarity 41% 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. Soulmask is a early access, survival and open world survival craft game developed by CampFire Studio and published by Qooland Games. Released on May 30th 2024 has received 14,866 reviews of which 11,979 were positive and 2,887 were negative resulting in a rating of 7.9 out of 10. With 3,768 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Alien Marauder.
7.9
11,979
2,887
3,768
players
7. STAR WARS™ Empire at War - Gold Pack
Similarity 40% 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. With 3,114 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Alien Marauder.
9.6
38,503
932
3,114
players
8. Age of Mythology: Retold
Similarity 43% From the creators of the award-winning Age of Empires franchise, Age of Mythology: Retold goes beyond history to a mythical age where gods, monsters, and humans collide. Age of Mythology: Retold is a strategy, 3d and rts game developed by World's Edge, Forgotten Empires, Tantalus Media, CaptureAge and Virtuos Games and published by Xbox Game Studios. Released on September 04th 2024 has received 16,708 reviews of which 15,043 were positive and 1,665 were negative resulting in a rating of 8.8 out of 10. With 2,556 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Alien Marauder.
8.8
15,043
1,665
2,556
players
9. Northgard
Similarity 47% Northgard is a critically acclaimed strategy game based on Norse mythology. Lead your clan, uncover the secrets of a mysterious newfound continent and defeat your enemies to conquer the Throne! Northgard is a strategy, city builder and simulation game developed and published by Shiro Games. Released on March 07th 2018 has received 64,695 reviews of which 55,844 were positive and 8,851 were negative resulting in a rating of 8.5 out of 10. With 2,196 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Alien Marauder.
8.5
55,844
8,851
2,196
players
10. They Are Billions
Similarity 63% 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 48,765 reviews of which 41,508 were positive and 7,257 were negative resulting in a rating of 8.4 out of 10. With 1,665 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Alien Marauder.
8.4
41,508
7,257
1,665
players
Best deals on games like Alien Marauder on Steam
Discover fantastic savings with the best discounts on a variety of games like Alien Marauder available on Steam right now, updated on June 15th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Alien Marauder.
1. Starship Troopers: Terran Command
Similarity 48% 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 Alien Marauder.
8.5
9,461
1,323
-99%
28.99€
0.46€
2. Homeworld: Deserts of Kharak
Similarity 41% 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. Thanks to its incredible 99% discount, this game is now the #2 best deal in games like Alien Marauder.
7.8
6,789
1,730
-99%
45.99€
0.88€
3. Founders' Fortune
Similarity 48% 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. Thanks to its incredible 99% discount, this game is now the #3 best deal in games like Alien Marauder.
7.7
1,699
415
-99%
18.99€
0.26€
4. Ashes of the Singularity: Escalation
Similarity 40% A massive-scale real-time strategy game where you command entire armies on a dynamic battlefield. Conquer multiple worlds across several single-player campaigns; or play with your friends in multiplayer combat. Ashes of the Singularity: Escalation is a rts, base-building and pvp game developed by Stardock Entertainment and Oxide Games and published by Stardock Entertainment. Released on November 10th 2016 has received 4,772 reviews of which 3,548 were positive and 1,224 were negative resulting in a rating of 7.2 out of 10. Currently offered at a significant 99% discount, this title has earned the #4 position in the best deals for games like Alien Marauder.
7.2
3,548
1,224
-99%
28.99€
0.56€
5. Aven Colony
Similarity 45% 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 Alien Marauder.
7.1
1,921
717
-99%
29.99€
0.47€
6. Cartel Tycoon
Similarity 53% 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 3,536 reviews of which 2,699 were positive and 837 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 Alien Marauder.
7.4
2,699
837
-98%
28.99€
0.73€
7. As Far As The Eye
Similarity 44% 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 #7 position in the best deals for games like Alien Marauder.
7.0
1,505
575
-98%
20.99€
0.47€
8. The Hive
Similarity 45% The Hive is a strategy game with RPG elements where you assume command as the insectoid hivemind. Build and expand your underground colony, harvest resources, and evolve your swarm using DNA. Will you survive in this hostile yet beautiful underworld? The Hive is a rts, strategy and rpg game developed and published by Skydome Entertainment. Released on August 25th 2016 has received 387 reviews of which 279 were positive and 108 were negative resulting in a rating of 6.8 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for games like Alien Marauder.
6.8
279
108
-98%
19.99€
0.51€
9. Frostpunk
Similarity 52% 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 123,546 reviews of which 114,315 were positive and 9,231 were negative resulting in an impressive rating of 9.1 out of 10. Currently offered at a significant 97% discount, this title has earned the #9 position in the best deals for games like Alien Marauder.
9.1
114,315
9,231
-97%
29.99€
0.92€
10. Earth 2150 Trilogy
Similarity 52% Your heroes and your armies will need strong leadership to take them on a spellbinding odyssey that has everything a gamer’s heart could wish for breathtaking worlds in space, battles against cunning enemies and even downright treason from your own government faction - are you up to it? Earth 2150 Trilogy is a strategy, rts and sci-fi game developed by Reality Pump Studios and published by TopWare Interactive and ACE. Released on November 01st 2013 has received 874 reviews of which 669 were positive and 205 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 97% discount, this title has earned the #10 position in the best deals for games like Alien Marauder.
7.3
669
205
-97%
9.75€
0.38€
Free games like Alien Marauder on Steam
Check out this fantastic list of free-to-play games like Alien Marauder you can enjoy on Steam right now, updated on June 15th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Alien Marauder.
1. Age of Empires III: Definitive Edition
Similarity 47% 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 3,894 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Alien Marauder.
8.3
40,941
7,401
3,894
players
2. War Selection
Similarity 49% 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 579, this game has secured the #2 spot in the ranking of free games like Alien Marauder.
8.4
18,745
3,109
579
players
3. Citywars Tower Defense
Similarity 40% Citywars TD is a cute multiplayer third person Survival Tower Defense. Build towers, gather resources, craft tools, upgrade weapons, level up buildings, expand your city with your friends and work under pressure before the next incoming wave of monsters. Citywars Tower Defense is a early access, strategy and tower defense game developed and published by 01 Studio. Released on March 03rd 2022 has received 1,104 reviews of which 893 were positive and 211 were negative resulting in a rating of 7.7 out of 10. The game currently holds the #3 spot among the most played free games like Alien Marauder.
7.7
893
211
8
players
4. Art of War: Red Tides
Similarity 41% Art of War: Red Tides is a fair multiplayer strategy game that allows different teams on the same platform (e.g. smartphones, PC, etc.) to battle against each other. You will encounter players around the world! Art of War: Red Tides is a free to play, strategy and multiplayer game developed and published by Game Science. Released on December 22nd 2016 has received 6,918 reviews of which 5,458 were positive and 1,460 were negative resulting in a rating of 7.7 out of 10. The game currently holds the #4 spot among the most played free games like Alien Marauder.
7.7
5,458
1,460
8
players
5. Oxygen: First Breath
Similarity 50% 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 #5 spot among the most played free games like Alien Marauder.
8.6
1,432
162
3
players
6. Vectorio Classic
Similarity 44% The original, uncompleted version of Vectorio. Claim resources, unlock new buildings, and expand your defenses as you fight back against enemy forces in the classic edition of Vectorio! Play for free now. Vectorio Classic is a base-building, tower defense and survival game developed by Ben Nichols and published by BN Games. Released on March 22nd 2021 has received 1,468 reviews of which 1,371 were positive and 97 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #6 spot among the most played free games like Alien Marauder.
8.9
1,371
97
7. Vedelem: The Golden Horde
Similarity 47% Védelem: The Golden Horde is a medieval Real Time Strategy and Survival game set in the 13th century. Build, expand and defend your lands against the deadliest Mongolian invasion ever witnessed. They will seek to destroy your walls and salt your earth. Will you survive the Golden Horde? Vedelem: The Golden Horde is a strategy, base-building and action game developed by Castle Roaches and published by Breda University of Applied Sciences. Released on June 22nd 2021 has received 775 reviews of which 694 were positive and 81 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #7 spot among the most played free games like Alien Marauder.
8.4
694
81