- #1 Lazy Galaxy 2
97% matchMostly Positive79% of 192 reviews2022
Dev: Coldwild Games
Windows · Mac · Linux
Median: 10.3 hrsMean: 176.7 hrs≥1hr: 88%
Lazy Galaxy 2 is an idle/clicker game with base-building and RTS elements. Lead an evil (albeit lazy) alien race to conquer the universe! Expand your base, fight vicious foes, and conquer the galaxies. Acquire combat experience and convert into candy, the most precious alien resource!
Why similar: Idler 38.3%, Clicker 16.5%, RTS 12.4%, Space 9.1%, Strategy 8%
Why You'll Like It: As the direct sequel, it refines the idle and RTS mechanics of the original with improved visuals and deeper progression systems.
- #2 Idle Space Navy
96% matchMixed48% of 58 reviews2023
Dev: Phoenix Aura
Windows · Mac
A sci-fi idler. Upgrade your ships, get new items, and conquer the stars.
Why similar: Idler 49.5%, Clicker 18.1%, Strategy 13.7%, Space 7.6%, Casual 3.7%
Why You'll Like It: This game mirrors the space-themed idle strategy loop by allowing you to manage a fleet while automating resource collection.
- #3 Galaxy Reavers
96% matchMixed70% of 204 reviews2016
Dev: Good Games
Windows
This is a fun yet challenging RTS game. To survive in the vast galaxy, you need to build up your own fleet and customize your warships. You will also learn to control them efficiently in battle to defeat your enemies, conquer planets, and expand your galactic empire!
Why similar: Strategy 30.1%, Space 28.7%, RTS 25.5%, Sci-fi 8.3%, Indie 7.3%
Why You'll Like It: This title focuses on the real-time tactical space combat elements, providing a more action-oriented take on managing a fleet in space.
- #4 SPACEPLAN
95% matchVery Positive92% of 3,332 reviews2017
Dev: Jake HollandsPub: Devolver Digital
Windows · Mac
Median: 6.8 hrsMean: 11.0 hrs≥1hr: 93%
SPACEPLAN is an experimental piece of interaction based partly on a total misunderstanding of Stephen Hawking’s A Brief History of Time.
Why similar: Clicker 34.9%, Idler 21.3%, Space 15.8%, Great Soundtrack 12.6%, Indie 7.7%
Why You'll Like It: A narrative-driven clicker set in space that shares the quirky, humorous tone and simple yet addictive interaction style of Lazy Galaxy.
- #5 Space Tyrant
94% matchVery Positive84% of 613 reviews2018
Dev: Blue Wizard Digital
Windows · Mac · Linux
Median: 2.2 hrsMean: 9.9 hrs≥1hr: 62%
Terrorize the galaxy for fun and profit! Space Tyrant is a surprisingly deep beer & pretzels strategy game set in a darkly humorous future. Build a mighty space force, disintegrate peaceful aliens, and rule irresponsibly on your relentless march to total domination.
Why similar: Strategy 46.1%, Sci-fi 19.4%, Indie 18.1%, Space 14%, Casual 2.3%
Why You'll Like It: It shares the 'evil alien' protagonist theme and strategic conquest gameplay, offering a humorous take on galactic domination.
- #6 Idling to Rule the Gods
94% matchVery Positive85% of 2,065 reviews2016
Dev: Shugasu GmbH
Windows · Mac · Linux
Median: 10.9 hrsMean: 586.7 hrs≥1hr: 74%
Idling to Rule the Gods is a free to play Idle-Game with a lot of content and some Minigames. Depending on your play-style, you can play it fast or slow. Either way it can be fun for hundreds of hours!
Why similar: Idler 47.3%, Clicker 20.8%, Strategy 12.3%, Indie 6.1%, Sci-fi 4.4%
Why You'll Like It: A classic in the idle genre, it provides the long-term strategic planning and incremental power growth found in Lazy Galaxy.
- #7 Attack of the Earthlings
93% matchVery Positive84% of 436 reviews2018
Dev: Team JunkfishPub: Junkfish Limited
Windows · Mac · Linux
Median: 1.2 hrsMean: 7.4 hrs≥1hr: 57%
Take on Galactoil, a comically dysfunctional intergalactic energy corporation, and its larger-than-life employees in a tactical-stealth game that fuses satisfying strategic gameplay and dark comedy in a quirky single-player story.
Why similar: Strategy 46.2%, Indie 19.5%, Comedy 16.8%, Sci-fi 10.7%, Great Soundtrack 5.1%
Why You'll Like It: This game features a similar dark, comedic premise where you play as an alien race defending your home against human invaders through tactical strategy.
- #8 Antimatter Dimensions
91% matchVery Positive92% of 4,261 reviews2022
Dev: Hevipelle
Windows · Mac
Median: 27.3 hrsMean: 219.7 hrs≥1hr: 83%
Earn antimatter through dimensions! Gain Infinite antimatter to collapse the universe!
Why similar: Idler 58%, Clicker 15.2%, Strategy 11.4%, Space 6.9%, Comedy 2.7%
Why You'll Like It: This is a quintessential idle game that focuses on exponential growth and complex mathematical progression, appealing to the core of the idle genre.
- #9 Idle Wizard
92% matchVery Positive86% of 1,746 reviews2019
Dev: TwoWizards
Windows · Mac · Linux
Median: 9.8 hrsMean: 231.0 hrs≥1hr: 77%
RPG/Idle hybrid about becoming the most powerful wizard there is. Pick a class, get a pet, configure and improve your character in a myriad ways!
Why similar: Idler 77.8%, Clicker 18.2%, Indie 2.2%, Casual 1.8%
Why You'll Like It: While fantasy-themed, it offers the deep, complex incremental progression and strategic layer that fans of the idle genre will appreciate.
- #10 Territory Idle
91% matchMostly Positive79% of 1,694 reviews2019
Dev: Aleksandr Golovkin
Windows
Median: 5.7 hrsMean: 173.1 hrs≥1hr: 79%
Strategic idle game. Develop the kingdom, then abdicate and get gold! For gold, you can buy new tiles and expand the territory.
Why similar: Idler 61.6%, Clicker 20.2%, Strategy 10.8%, Indie 4.6%, Pixel Graphics 1.6%
Why You'll Like It: It blends idle mechanics with territory expansion, mirroring the core loop of conquering and growing your influence.
- #11 Eufloria HD
90% matchVery Positive89% of 868 reviews2014
Dev: Rudolf Kremers & Alex MayPub: Omni Systems
Windows · Mac · Linux
Median: 1.2 hrsMean: 6.8 hrs≥1hr: 52%
Experience the celebrated strategy gameplay of Eufloria HD. Conquer asteroids in space and use their resources to grow floral creatures that do your bidding. Expand your empire and fight against several teams of AI opponents that all vie for the same resources and can offer fierce opposition.
Why similar: Strategy 48.9%, RTS 16.7%, Indie 16.5%, Great Soundtrack 10%, Casual 5.9%
Why You'll Like It: It offers a relaxing, space-based RTS experience that focuses on tactical expansion and territory control in a unique, minimalist aesthetic.
- #12 Realm Grinder
89% matchVery Positive87% of 7,357 reviews2017
Dev: Divine GamesPub: Kongregate
Windows · Mac
Median: 4.9 hrsMean: 131.3 hrs≥1hr: 73%
Grow your realm, build alliances, and explore one of the deepest idle RPGs ever!
Why similar: Clicker 33.1%, Idler 32.4%, City Builder 10.8%, Strategy 10.7%, Pixel Graphics 6.8%
Why You'll Like It: This game excels at combining simple clicker mechanics with deep, multi-layered strategic choices that influence your long-term growth.
- #13 Universe Horizon
87% matchVery Positive89% of 217 reviews2025
Dev: Jarkem
Windows · Linux
An idle incremental game where you decide to travel across the whole Universe. Embark on this journey in your little ship and get as far away as possible from Earth, gathering resources and upgrading your spaceship along the way.
Why similar: Idler 47%, Clicker 18.8%, Space 13.2%, Strategy 7.8%, Indie 4%
Why You'll Like It: This game focuses on space exploration and automation, providing a similar sense of scale and incremental discovery.
- #14 Feed the Reactor
86% matchVery Positive82% of 475 reviews2026
Dev: Adam Travers
Windows
Median: 3.6 hrsMean: 5.8 hrs≥1hr: 94%
An incremental unfolding game about feeding fuel into a reactor. Combine elements to produce energy, unlock exotic technologies and explore a strange galaxy.
Why similar: Idler 48.8%, Clicker 25.1%, Strategy 14.4%, Casual 3.2%, Pixel Graphics 2.9%
Why You'll Like It: It combines idle and auto-battler mechanics in a strategic setting, offering a similar gameplay feel to the tactical idle hybrid of Lazy Galaxy.
- #15 Star Ruler
89% matchVery Positive83% of 340 reviews2010
Dev: Blind Mind Studios
Windows
Median: 30 minMean: 6.2 hrs≥1hr: 41%
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)...
Why similar: Strategy 31.4%, Space 26.3%, RTS 19.3%, Indie 9.8%, Sci-fi 6.6%
Why You'll Like It: For those who enjoy the RTS side of the seed game, this provides a much larger scale of space strategy and fleet management.
- #16 Dawn of Andromeda
88% matchMixed44% of 242 reviews2017
Dev: Grey Wolf EntertainmentPub: Iceberg Interactive
Windows
Median: 4.1 hrsMean: 11.8 hrs≥1hr: 86%
Dawn of Andromeda is a pausable, real-time 4X space strategy game providing an accessible, fun and immersive experience, introducing fresh ideas to the genre. Build your empire, colonize new planets, interact with other factions and characters, research technologies and build great fleets.
Why similar: Strategy 44.1%, Space 31.3%, Indie 13.5%, Sci-fi 11.1%
Why You'll Like It: A 4X strategy game that captures the feeling of managing a space empire, perfect for players looking for more depth in their galactic conquest.
- #17 Idle Armada
86% matchVery Positive86% of 63 reviews2020
Dev: Corfe83
Windows · Mac · Linux
Deep idle game with NO ads, NO in-app-purchases. Watch your fleet battle automatically. Collect items and upgrade your buildings and fleet to reach progressively higher levels!
Why similar: Idler 45.2%, Clicker 19.8%, Strategy 16.1%, Space 7.6%, Casual 3.9%
Why You'll Like It: A space-themed idle game that emphasizes building and maintaining a fleet, directly echoing the thematic focus of the seed game.
- #18 Unnamed Space Idle
83% matchVery Positive93% of 3,991 reviews2023
Dev: SylvPub: Jdog Corp
Windows · Linux
Median: 10.6 hrsMean: 282.7 hrs≥1hr: 78%
Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.
Why similar: Idler 59.7%, Clicker 17%, Space 12.3%, Sci-fi 3.9%, Casual 3.7%
Why You'll Like It: A straightforward idle game set in space that focuses on simulation and resource management.
- #19 A Game About Feeding A Black Hole
82% matchVery Positive89% of 2,623 reviews2025
Dev: Aarimous
Windows · Mac · Linux
Median: 3.9 hrsMean: 4.3 hrs≥1hr: 94%
A short incremental game about feeding a Black Hole matter by destroying Asteroids, Planets, and Stars.
Why similar: Idler 44.5%, Clicker 23.9%, Strategy 11.5%, Space 6.2%, Indie 4.9%
Why You'll Like It: A casual, relaxing clicker game that shares the space theme and simple, satisfying interaction loop.
- #20 Deep Space Cache
82% matchVery Positive92% of 858 reviews2024
Dev: Monu
Windows
Median: 2.5 hrsMean: 3.8 hrs≥1hr: 87%
Deep Space Cache is a short & simple semi-idle bullet heaven incremental asteroid miner game.
Why similar: Idler 41%, Strategy 16.5%, Clicker 11.1%, Indie 8.8%, Space 8.7%
Why You'll Like It: A singleplayer idle game that focuses on resource gathering in a space setting, matching the casual and tactical vibe.
- #21 Idle Expanse
85% matchMixed55% of 149 reviews2020
Dev: Lyrical Games LLC
Windows
A sci-fi themed incremental game which allows you to expand your capitalistic empire across the galaxy! Hire mercenaries to pillage alien planets for resources, with the singular goal of making as much money as possible as quickly as possible! Totally not a playful commentary on real Terran society.
Why similar: Idler 46.7%, Clicker 18.7%, Strategy 13.1%, Indie 5.6%, Space 5.3%
Why You'll Like It: A casual space-themed idle game that focuses on resource management and incremental expansion.
- #22 Vanguard Galaxy
81% matchVery Positive90% of 353 reviews2025
Dev: Bat Roost Games
Windows
A relaxing game about space exploration that can be played full screen or at the bottom of your screen. Trade, fight, mine and salvage your way through a procedurally generated galaxy. Let the game idle while your autopilot handles business and builds your fortune.
Why similar: Idler 66.1%, Space 19.7%, Sci-fi 6.8%, Casual 4.4%, 2D 2.9%
Why You'll Like It: This title offers a sandbox experience with idle elements, perfect for players who want to build their space presence at their own pace.
- #23 Idle Civilization
84% matchMixed51% of 178 reviews2015
Dev: Very Simple Idea Studios
Windows · Mac · Linux
Median: 8.0 hrsMean: 62.1 hrs≥1hr: 90%
Take command of a pair of villagers and help them build a mighty civilization that will spread across the world and conquer it. Idle Civilization is a civilization builder management game where you will oversee the growth of your people into a mighty kingdom through building, research, warfare, religion, diplomacy, culture, heroic...
Why similar: Clicker 50.5%, Strategy 33.1%, Indie 16.3%
Why You'll Like It: This game focuses on the incremental growth of a society, providing a similar sense of progression and management as the seed game.
- #24 Unending Galaxy
84% matchMixed62% of 124 reviews2016
Dev: Anarkis Gaming
Windows
Median: 3.3 hrsMean: 3.6 hrs≥1hr: 91%
Unending Galaxy is a unique space-sim in which you can fill any role from pirate or trader to the leader of a large galactic empire.
Why similar: Strategy 39.8%, Space 28.5%, Indie 17%, Sci-fi 7.4%, 2D 5.3%
Why You'll Like It: A sandbox space simulation that allows for deep strategic control, appealing to players who want more agency in their space conquest.
- #25 Space Reign
79% matchMostly Positive76% of 377 reviews2026
Dev: Propulsive Games
Windows
An indie space-sim and strategy game featuring ship and fleet combat mixed with RTS elements. Complete contracts and Claim sectors for your faction in the near-future, where resource exploiting corporations are in a state of constant conflict over territory control.
Why similar: Real Time Tactics 25.3%, Space 22.7%, RTS 19.8%, Strategy 14.1%, Sci-fi 9.3%
Why You'll Like It: A space-sim that incorporates real-time tactical combat, appealing to the RTS side of the seed game's mechanics.
- #26 Astrodle
79% matchVery Positive89% of 219 reviews2024
Dev: Robin Nicolet
Windows
Ready for some chill time in space? Astrodle has you covered. Watch the numbers soar as you upgrade your ship and travel the stars. Oh, and you might just become a god.
Why similar: Idler 52.4%, Clicker 23.6%, Space 11.1%, Sci-fi 5.2%, Indie 3.2%
Why You'll Like It: An arcade-style idle shooter that combines space combat with incremental upgrades.
- #27 Human-powered spacecraft
80% matchVery Positive94% of 804 reviews2018
Dev: Shiv
Windows
Median: 1.0 hrsMean: 2.3 hrs≥1hr: 49%
A nostalgia-infused pixel clicker in a comedy wrapper.
Why similar: Idler 49.2%, Clicker 19.9%, Space 10.4%, Pixel Graphics 5.5%, Sci-fi 4.3%
Why You'll Like It: A cute, 2D point-and-click idle game that shares the space theme and accessible gameplay style.
- #28 Galactic Ruler
81% matchMixed49% of 121 reviews2022
Dev: BattleGoat Studios
Windows
Median: 3.4 hrsMean: 7.1 hrs≥1hr: 96%
Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!
Why similar: Real Time Tactics 31.9%, Space 22.2%, RTS 19.4%, Strategy 11.9%, Sci-fi 8.6%
Why You'll Like It: It provides a complex, real-time tactical experience centered on space warfare and alien diplomacy.
- #29 Kickback Clicker
78% matchVery Positive84% of 57 reviews2025
Dev: Dot bloodPub: Targem Games
Windows
Mutants are flooding the planets! Destroy them all! Improve your technology, upgrade weapons and turn dangerous worlds into safe havens. Every click is a step towards the future of mankind!
Why similar: Idler 45.3%, Clicker 19.9%, Strategy 10.6%, Space 6.3%, Pixel Graphics 5.9%
Why You'll Like It: A simulation-based clicker that incorporates strategic elements, fitting well within the idle-strategy hybrid genre.
- #30 Galaxy Idle Clicker
78% matchMostly Positive75% of 1,122 reviews2025
Dev: SoehnlePub: TimeLost Gaming
Windows
Median: 12.1 hrsMean: 333.3 hrs≥1hr: 71%
Embark on an interstellar journey with Galaxy Idle Clicker! Conquer galaxies, upgrade your spaceship, and face off against a myriad of enemy ships. With engaging minigames, powerful upgrades, GIC delivers an unparalleled idle space adventure. Join the cosmic conquest today and dominate the universe!
Why similar: Idler 51.1%, Clicker 20.4%, Space 13.8%, Indie 5.3%, Sci-fi 3.5%
- #31 Idle Colony
77% matchVery Positive83% of 544 reviews2024
Dev: Faith G.
Windows
Median: 7.7 hrsMean: 20.5 hrs≥1hr: 90%
A condensed incremental experience, where you build a colony to collect and merge bigger and bigger fruits. Combine game-changing technologies and special upgrades to find the best synergies and take your cash flow to another dimension.
Why similar: Idler 52.7%, Clicker 25.4%, Strategy 12.2%, Casual 4.2%, Indie 2.7%
- #32 Idle Research
77% matchVery Positive84% of 1,828 reviews2022
Dev: Considera Games LLCPub: Considera Core LLC
Windows · Mac · Linux
Median: 10.9 hrsMean: 78.0 hrs≥1hr: 78%
Idle Research is an addictive, resource management, incremental game with both idle and active playstyles. Research and craft colorful Flasks and Tubes to earn as much Energy as possible! Big numbers guaranteed.
Why similar: Idler 59.6%, Clicker 22.9%, Strategy 11.2%, Indie 3.4%, 2D 2.9%
- #33 Idle Dyson Swarm
76% matchMixed66% of 53 reviews2026
Dev: Blindsided Games
Windows · Mac · Linux
Ever wanted a Dyson swarm of your own? Now you can have one with just a few clicks! Manage a solar empire, produce bots which will make solar panels for you. Send your panels to the sun to generate energy and sell that energy to make money which you can spend on even more bots!
Why similar: Idler 47.8%, Clicker 17.7%, Strategy 12.4%, Space 11.3%, Casual 2.9%
- #34 Creeper World 3: Arc Eternal
76% matchOverwhelmingly Positive96% of 4,761 reviews2014
Dev: Knuckle Cracker
Windows · Mac · Linux
Median: 7.4 hrsMean: 77.0 hrs≥1hr: 78%
Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.
Why similar: Strategy 40.7%, RTS 31.1%, Sci-fi 11.2%, Indie 10.3%, Singleplayer 3.5%
- #35 Microcivilization
74% matchVery Positive80% of 1,364 reviews2026
Dev: Ondrej Homola
Windows
Median: 8.5 hrsMean: 18.0 hrs≥1hr: 87%
Incremental clicker strategy, where you expand, construct, research, fight, collect heroes and make choices between good and evil. Ascend through difficulty tiers by playing through challenge campaign going back and forth through history. Mammoths included.
Why similar: Idler 42.8%, Clicker 27.1%, City Builder 12.1%, Strategy 12%, Indie 2.8%
- #36 Buggos
75% matchVery Positive88% of 1,349 reviews2022
Dev: Intrepid Marmot
Windows
Median: 3.5 hrsMean: 11.9 hrs≥1hr: 86%
Lead your hive to victory in 'Buggos', an RTS Auto Battler! Customize your swarm with 120+ evolutions and conquer humanity. Strategy meets bug chaos!
Why similar: RTS 25.7%, Strategy 23.6%, City Builder 22.1%, Pixel Graphics 9.6%, 2D 5.1%
- #37 Idle Slayer
74% matchVery Positive85% of 10,157 reviews2020
Dev: Pablo Leban
Windows
Median: 8.7 hrsMean: 100.5 hrs≥1hr: 81%
Idle Slayer is an incremental game with idle and active playstyle mechanics, medieval pixel art visuals and retro 8-bit sounds and music.
Why similar: Idler 59.4%, Clicker 19.9%, Pixel Graphics 6.6%, Casual 4%, Strategy 4%
- #38 (the) Gnorp Apologue
72% matchOverwhelmingly Positive95% of 9,586 reviews2023
Dev: MycoPub: (Myco)
Windows
Median: 15.4 hrsMean: 27.4 hrs≥1hr: 96%
(the) Gnorp Apologue is the journey of the gnorps as you guide them towards their goal of delightfully excessive wealth accumulation.
Why similar: Idler 55.5%, Clicker 22.5%, Strategy 10.1%, Pixel Graphics 4.2%, 2D 2.6%
- #39 Particle Fleet: Emergence
75% matchVery Positive92% of 1,261 reviews2016
Dev: Knuckle Cracker
Windows · Mac · Linux
Median: 6.7 hrsMean: 24.9 hrs≥1hr: 76%
Build and design your own fleets and stand opposed to the Particulate in this physics/strategy/RTS/fleet hybrid. Build partially destructible and self repairing ships that interact with enemies less controlled by some scripted logic and more driven by a real time massive physics particle simulation.
Why similar: Strategy 31%, RTS 22.7%, Space 21.9%, Indie 12.2%, Sci-fi 5.7%
- #40 Idle Spiral
73% matchVery Positive80% of 1,846 reviews2022
Dev: Idle System, Inc.
Windows
Median: 3.3 hrsMean: 118.8 hrs≥1hr: 66%
This is a beautiful "Idle", "Incremental" game based on spirals and mathematics. Your goal is to make the spiral grow farther and farther from the origin. The game is very simple, but it is very deep and can be enjoyed for a long time!
Why similar: Idler 60%, Clicker 22.2%, Space 5%, Strategy 4.8%, Casual 3.2%
- #41 Relentless Expanse
72% matchVery Positive90% of 102 reviews2025
Dev: Cowmera Games
Windows
Capture and upgrade planets, outsmart your enemies, and conquer the galaxy! Simple yet addicting, you can play alone or outsmart your friends in this 2D top-down space RTS. Completely free, no monetization, just fun!
Why similar: RTS 25.5%, Real Time Tactics 20.7%, Space 20.5%, Strategy 19.2%, Sci-fi 9.5%
- #42 Pixel Starships
73% matchMostly Positive73% of 2,914 reviews2023
Dev: SavySoda
Windows · Mac · Linux
Median: 2.3 hrsMean: 24.8 hrs≥1hr: 64%
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.
Why similar: Space 34.5%, Strategy 25.7%, Pixel Graphics 16.1%, Sci-fi 15.9%, 2D 7.8%
- #43 Nonentity Galaxy
70% matchVery Positive95% of 493 reviews2026
Dev: Brick-Up StudioPub: 2P Games
Windows
Fight, Scavenge, Survive, and File Your Taxes. A grim yet hilarious space strategy roguelite where you must balance hull integrity against your company's relentless profit margins. Warning: Contains lethal doses of dark humor and corporate exploitation.
Why similar: Space 33.3%, Strategy 26.4%, Pixel Graphics 15.2%, Sci-fi 14.9%, Indie 10.3%
- #44 Epic Astro Story
73% matchVery Positive87% of 54 reviews2022
Dev: Kairosoft Co.,Ltd
Windows
Battle baddies and foster interplanetary diplomacy in an epic space colony sim!
Why similar: City Builder 32.6%, Space 13.8%, Pixel Graphics 13.2%, Casual 12.7%, Sci-fi 10.5%
- #45 Bard Idle
69% matchMixed69% of 808 reviews2025
Dev: Illegal Turtle 🐢
Windows
Median: 3.9 hrsMean: 157.8 hrs≥1hr: 71%
Build a unique team, where each character has a random weapon, race and class. Strong combinations of heroes, enhanced by the ballad creation system and jelly dwarfs, will capture your adventure in history!
Why similar: Idler 52.4%, Clicker 22.4%, Strategy 9.9%, Pixel Graphics 5.8%, Comedy 4.8%
- #46 Iron Marines Invasion
71% matchMixed69% of 350 reviews2023
Dev: Ironhide Game Studio
Windows
Median: 2.1 hrsMean: 5.0 hrs≥1hr: 67%
Prepare to take off, soldier! The galaxy needs your strategy! Prove your RTS expertise, explore an entire galaxy and defend it from a threatening invasion.
Why similar: RTS 26%, Real Time Tactics 23.2%, Space 18.6%, Strategy 15.1%, Sci-fi 8.9%
- #47 Reassembly
70% matchVery Positive94% of 4,066 reviews2015
Dev: Anisoptera GamesPub: Indie Voyage
Windows · Mac · Linux
Median: 5.1 hrsMean: 26.1 hrs≥1hr: 84%
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
Why similar: Space 43.5%, Strategy 24%, Indie 8.8%, 2D 7.6%, Great Soundtrack 7.1%
- #48 Circle Empires
69% matchVery Positive90% of 4,100 reviews2018
Dev: LuminousPub: Iceberg Interactive
Windows · Mac · Linux
Median: 3.7 hrsMean: 18.1 hrs≥1hr: 82%
Circle Empires is a fresh take on the RTS genre, featuring a fast-paced approach to conquering the world.
Why similar: Strategy 38.5%, RTS 34.5%, Indie 15.2%, Casual 8.6%, 2D 1.8%
- #49 rymdkapsel
71% matchVery Positive83% of 277 reviews2014
Dev: grapefrukt games
Windows · Mac · Linux
Median: 2.1 hrsMean: 4.4 hrs≥1hr: 76%
Build a space station. Command the tiny crew. Explore the galaxy. A meditative space strategy game.
Why similar: Real Time Tactics 26%, RTS 24.2%, Space 16.3%, Strategy 15.7%, 2D 4.9%
- #50 Iron Marines
70% matchMostly Positive78% of 1,831 reviews2019
Dev: Ironhide Game Studio
Windows · Mac · Linux
Median: 5.1 hrsMean: 11.4 hrs≥1hr: 87%
Real-time strategy battles in amazing sci-fi worlds! Command brave soldiers, mighty mechas and powerful aliens to face the greatest challenges in hostile alien worlds. The galaxy needs you!
Why similar: RTS 31.5%, Strategy 19.9%, Space 14.9%, Sci-fi 10.8%, Indie 5.9%
- #51 Gridkeeper
69% matchMixed68% of 148 reviews2025
Dev: pixelwide
Windows
Gridkeeper is an incremental game about managing "Grids" and using their power to run MineBots, research tech, and grow your mining empire by getting better Grids.
Why similar: Idler 47.5%, Clicker 21.1%, Strategy 17.3%, Pixel Graphics 4.2%, 2D 3.1%
- #52 Garden Galaxy
67% matchOverwhelmingly Positive98% of 2,593 reviews2022
Dev: Anneka Tran
Windows
Median: 10.0 hrsMean: 22.1 hrs≥1hr: 84%
Discover, collect and organise to create your own unique garden in this relaxing idle / creative sandbox!
Why similar: Idler 66.6%, Clicker 16.4%, City Builder 5.4%, Indie 5.4%, Casual 4.7%
- #53 Idle Evolution
71% matchMostly Positive73% of 197 reviews2017
Dev: MTRPub: NewProject
Windows · Mac · Linux
Median: 5.2 hrsMean: 20.2 hrs≥1hr: 85%
A game combination of genres time-manager / strategy / educational. Simple and addictive whose currency are the atoms and the goal is to have their control and reach the final evolution. God created the world in 6 days... and you?
Why similar: Strategy 37.5%, Clicker 33.3%, Indie 17%, Casual 12.2%
- #54 Galaxy Life
66% matchVery Positive92% of 8,424 reviews2022
Dev: Phoenix Network
Windows · Linux
Median: 2.7 hrsMean: 35.4 hrs≥1hr: 65%
The universe is full of Starlings, tiny orange aliens that want to take over the galaxy. Create your own space colony, fight epic battles and discover new planets. Train your soldiers, develop your technology and create unimaginable gadgets. Enjoy this huge social game with friends!
Why similar: Strategy 42.2%, City Builder 41.9%, Sci-fi 16%
- #55 Microcosmum 2
68% matchMixed63% of 136 reviews2024
Dev: Satur Entertainment
Windows
A relaxing strategy game featuring unconventional gameplay. Your objectives include development, evolution, border expansion and protection of your hive.
Why similar: Strategy 24.6%, RTS 13.6%, Space 12.8%, Science 12.5% ★, Real Time Tactics 12.2%
- #56 Auto Snakes in Outer Space
66% matchMostly Positive72% of 90 reviews2026
Dev: Old Atlas
Windows
A slow and meditative incremental idler where you manage colorful snakes. Watch them collect food, then spend the food on upgrades and abilities for your colony.
Why similar: Idler 58.8%, Clicker 22.5%, Space 6.9%, Indie 5.1%, Casual 3.5%
- #57 CivIdle
65% matchMostly Positive75% of 974 reviews2025
Dev: FishPondPub: Fish Pond Studio
Windows · Mac · Linux
Median: 3.9 hrsMean: 79.6 hrs≥1hr: 71%
CivIdle is an idle/incremental game that allows you to lead your own civilization through thousands of years from ancient times to the modern era. Expand your territory, explore a vast tech tree, build various wonders, and trade with global players: empire must grow and numbers must go up!
Why similar: Idler 71.1%, City Builder 11.5%, Strategy 10%, Indie 3.6%, 2D 2.3%
- #58 Revolution Idle
63% matchVery Positive86% of 10,404 reviews2025
Dev: Oni Gaming
Windows
Median: 17.3 hrsMean: 167.6 hrs≥1hr: 83%
Join an experience where each revolution takes you further into the unknown! Revolution Idle challenges you to multiply your accumulators to reach unimaginable heights. Will you manage to reach infinity?
Why similar: Idler 67.9%, Clicker 22%, Casual 3.9%, 2D 2.7%, Indie 2.7%
- #59 8-Bit Invaders!
68% matchVery Positive83% of 444 reviews2016
Dev: Petroglyph
Windows
Median: 4.1 hrsMean: 6.1 hrs≥1hr: 78%
8-Bit Invaders! is a fast-paced, retro Real-Time Strategy game for the PC. Control the military might of the Galactic Marine Corps or Invade with the devastating power of the Cranioids! Mine, Build, and Fight your way to victory! Conquering the Multiverse was never so easy.
Why similar: RTS 30.7%, Strategy 27%, Great Soundtrack 13.3%, Indie 9.9%, Pixel Graphics 9.8%
- #60 Widget Inc.
64% matchVery Positive86% of 740 reviews2024
Dev: Leaping Turtle
Windows
Median: 10.4 hrsMean: 61.4 hrs≥1hr: 94%
A hybrid factory builder / incremental clicker game. Starting from humble beginnings, master the many crafting processes to build up resources and expand your factory. Then, using your newly automated production, unlock new technology and grow ever closer to your goal of spreading to the stars.
Why similar: Idler 47%, Clicker 30%, Pixel Graphics 6.6%, Strategy 6.5%, Casual 3.7%