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Best 4X Games

Top 50 of 119 qualifying games — tagged 4X (community voting), 1,000+ reviews · ranked by Wilson lower bound on Steam review score · review data as of 2026-10-22. Under each game: what its Steam reviewers most often mention (+ praise, − complaint), with how many of about 100 most-helpful reviews raise it — from the review consensus on each game's page.

1 STAR WARS Empire at War - Gold Pack (2010) Strategy · RTS · Space · $19.99 + excellent space combat and strategy 85+ mods add vast lasting variety 49− weak ground combat and unit AI 16 97.7%43,355 reviews 2 Civilization IV: Beyond the Sword (2007) Strategy · Turn-Based Strategy · 4X · $5.99 + Addictive, deep strategy, meaningful choices 73+ Rich mods, hundreds of hours 18− Unfair combat RNG, limited customization 6 96.2%5,116 reviews 3 Sid Meier's Civilization V (2010) Turn-Based Strategy · Strategy · Turn-Based · $7.49 + addictive deep turn-based strategy 57+ varied civilizations, victories, and mods 26− crashes and persistent feature bugs 6 95.6%211,155 reviews 4 Master of Orion 2 (2016) Strategy · 4X · Turn-Based · $5.99 + deep, balanced strategy systems 16− compatibility and crash problems 5 96.5%1,759 reviews 5 Airships: Conquer the Skies (2018) Vehicular Combat · 4X · War · $24.99 + Creative ship and vehicle design 89+ Challenging but well-balanced difficulty 11− Limited campaign or content options 9 95.9%6,640 reviews 6 Total War: MEDIEVAL II – Definitive Edition (2006) Strategy · Medieval · Historical · $24.99 + Deep, enjoyable strategy systems 41+ Extensive mods and enduring campaigns 22− Frequent crashes and broken functionality 10 95.6%36,668 reviews 7 Sid Meier's Colonization (Classic) (2014) Simulation · Adventure · Turn-Based Strategy · $6.99 96.2%1,161 reviews 8 Rome: Total War - Collection (2007) Strategy · Historical · Rome · Free + Strategic depth, faction variety, empire building 18− Frequent crashes, hangs, file corruption 8 94.7%16,775 reviews 9 Empires of the Undergrowth (2024) Strategy · Simulation · City Builder · $29.99 + Strategic, engaging core mechanics 91+ Excellent music and voice acting 11− Campaign lacks extended content 9 94.4%18,966 reviews 10 The Battle of Polytopia (2020) Strategy · Turn-Based · Multiplayer · $14.99 + Simple yet engaging strategy 74+ Easy to learn, hard master 15− Shallow mechanics and imbalance 10 93.9%6,015 reviews 11 Dominions 5 - Warriors of the Faith (2017) Strategy · Turn-Based Strategy · Fantasy · $39.99 + deep strategic systems 39+ many factions and strategies 7− steep learning curve 15 93.9%2,174 reviews 12 Sins of a Solar Empire: Rebellion (2012) Management · Diplomacy · Online Co-Op · $19.99 + Real-time strategy with tactical depth 61+ Dedicated modding community with quality mods 15 93.2%16,367 reviews 13 Nova Roma (2026) Strategy · Simulation · City Builder · $29.99 + Satisfying city-building mechanics 43+ Frequent updates and future improvements 17− Underdeveloped combat and logistics 31 93.3%2,502 reviews 14 Slipways (2021) Strategy · Puzzle · Turn-Based Strategy · $16.99 92.8%2,311 reviews 15 Whiskerwood (2025) Strategy · Simulation · City Builder · $29.99 + Deep colony management 66+ Frequent developer updates 21− Frustrating production bottlenecks 13 92.4%3,987 reviews 16 Sid Meier's Civilization IV (2006) Strategy · Turn-Based Strategy · Turn-Based · $3.99 + Deep, rewarding, addictive strategy 51− Unfair AI, hidden technology, poor information 6 92.4%3,697 reviews 17 Workers & Resources: Soviet Republic (2024) Strategy · Simulation · City Builder · $39.99 + deep interconnected logistics simulation 86+ customizable challenge rewarding mastery 38− steep opaque learning curve 18 91.2%27,440 reviews 18 Heart of the Machine (2026) Strategy · Simulation · Grand Strategy · $29.99 + choice-driven strategy systems 62+ branching thoughtful AI narrative 48− shallow visual-novel gameplay 16 91.5%2,139 reviews 19 Crusader Kings III (2020) Strategy · Medieval · Grand Strategy · $49.99 + deep addictive medieval sandbox 80+ endless varied playthrough possibilities 13− expensive excessive DLC policy 21 90.4%142,629 reviews 20 Predynastic Egypt (2016) Indie · Singleplayer · Strategy · $9.99 + Engaging strategic puzzle gameplay 41+ Challenging high-efficiency victories 15− Linear paths with little variety 12 91.6%1,933 reviews 21 Dominions 6 - Rise of the Pantokrator (2024) Strategy · 4X · Turn-Based Strategy · $44.99 + deep strategic systems 59+ strong multiplayer experience 11− steep learning curve 29 90.8%1,788 reviews 22 Dominions 4: Thrones of Ascension (2013) Strategy · Turn-Based Strategy · Indie · $34.99 + deep, complex strategy 58+ different nations and endless possibilities 12− dated, confusing, atrocious interface 13 90.7%1,449 reviews 23 Legend Creatures(传奇生物) (2020) Exploration · Indie · Rogue-lite · $4.99 + Fun auto-battler mechanics 18+ Cheap, worthwhile purchase 7− Incomplete English translation 24 89.8%3,947 reviews 24 Conquest of Elysium 5 (2021) Turn-Based Strategy · Strategy · Fantasy · $29.99 + Chaotic strategic fantasy gameplay 64+ Many factions and playstyles 15− Brutal early-game defeats 24 90.1%2,000 reviews 25 Sid Meier's Civilization III Complete (2006) Strategy · Turn-Based Strategy · Turn-Based · $0.99 + addictive, complex strategic gameplay 38+ endless replay value for decades 5− crashes, compatibility issues frequently 8 89.5%7,839 reviews 26 Scythe: Digital Edition (2018) Board Game · Strategy · Turn-Based · $19.99 + faithful fun Scythe adaptation 52+ great value especially on sale 5− clunky unintuitive unclear interface 10 89.5%3,819 reviews 27 STAR WARS Rebellion (2016) Strategy · Grand Strategy · Classic · $5.99 89.8%1,496 reviews 28 Cataclismo (2025) Strategy · Base-Building · Simulation · $29.99 + satisfying defensive building 68+ beautiful cohesive art direction 24− tedious building friction 23 88.8%4,346 reviews 29 Homeworld Remastered Collection (2015) Space · Strategy · RTS · $34.99 + strategic tactical gameplay immersive rewarding 76+ beautifully remastered updated visuals 15− crashes glitches imbalances need patches 14 87.9%14,213 reviews 30 Europa Universalis IV (2013) Grand Strategy · Strategy · Historical · $49.99 + deep, addictive grand strategy systems 58+ endless addictive campaigns and mods 27− steep, poorly explained learning curve 28 86.9%134,961 reviews 31 Ozymandias: Bronze Age Empire Sim (2022) Grand Strategy · Turn-Based Strategy · 4X · $14.99 88.0%1,681 reviews 32 Heroes of Might and Magic: Olden Era (2026) Strategy · RPG · Turn-Based Strategy · $39.99 + engaging strategic mechanics 32+ faithful attractive 3D visuals 12− shallow or unbalanced gameplay 29 86.6%23,551 reviews 33 Sid Meier’s Civilization VI (2016) Strategy · Turn-Based Strategy · Multiplayer · $5.99 + Addictive empire management with strategic depth 83+ Diverse victory paths and mod support 19− Oversimplified compared to predecessors 11 86.2%380,534 reviews 34 Farthest Frontier (2025) Early Access · Historical · Agriculture · $34.99 + deep resource farming systems 74+ rewarding challenge options 24− simplistic combat late-game staleness 19 86.0%25,593 reviews 35 Stellaris (2016) Space · Grand Strategy · Strategy · $49.99 + expansive customizable empire-building sandbox 45+ varied repeat empire playthroughs 9− too many overpriced DLCs 20 85.7%197,192 reviews 36 AI War 2 (2019) 4X · Grand Strategy · Multiplayer · $19.99 + Deep asymmetric strategic systems 46+ Brutal but adjustable challenge 15− Steep, overwhelming learning curve 24 87.3%1,563 reviews 37 Sid Meier's Civilization IV: Colonization (2008) Strategy · Turn-Based Strategy · Turn-Based · $4.99 + Economic management and trade 24+ Long-term repeated play 5− Combat and missing legacy features 5 86.8%1,593 reviews 38 Songs of Conquest (2024) Local Multiplayer · Turn-Based Tactics · 4X · $29.99 + Deep magic system and engaging mechanics 77+ Beautiful and charming pixel art 33− Shallow and repetitive combat systems 17 85.6%13,566 reviews 39 Egypt: Old Kingdom (2018) Indie · Strategy · Singleplayer · $14.99 + Deep, rewarding strategy mechanics 30+ Rich, educational Egyptian history 21− Simple, repetitive strategic systems 12 86.9%1,264 reviews 40 Northgard: Definitive Edition (2018) Strategy · City Builder · Simulation · $34.99 + deep, varied clan strategy 64+ approachable yet rewarding challenge 14− crashes, freezes, and broken units 10 85.2%68,775 reviews 41 Rebuild 3: Gangs of Deadsville (2015) Colony Sim · Survival · 4X · $7.49 + deep strategic management 28+ engaging faction storytelling 13− repetitive late-game micromanagement 18 86.2%2,051 reviews 42 Corsair Cove (2026) Strategy · Simulation · City Builder · $29.99 + vertical logistics building 52+ vertical pirate island aesthetics 35− repetitive card-based combat 36 85.4%3,703 reviews 43 X3: Terran Conflict (2008) Space · Simulation · Sandbox · $15.99 + Deep sandbox economy and combat 35+ Hundreds of hours of content 12− Steep learning curve 11 85.5%2,876 reviews 44 Manor Lords (2024) Strategy · City Builder · Simulation · $39.99 + addictive, deep city-building systems 56+ gorgeous authentic medieval visuals 20− shallow systems and tedious micromanagement 18 84.1%92,089 reviews 45 Warlock - Master of the Arcane (2012) Strategy · Turn-Based Strategy · Fantasy · $6.24 + fantasy 4X combat and magic 48+ easy-to-learn strategy 9− persistent crashes and glitches 6 85.1%2,676 reviews 46 The Heroic Legend of Eagarlnia (2022) Grand Strategy · Turn-Based Strategy · Turn-Based Tactics · $12.99 + Simplified hero-based grand strategy 32+ Accessible start, challenging harder modes 13− Shallow, repetitive combat and strategy 24 85.4%1,623 reviews 47 ENDLESS Legend (2014) Strategy · 4X · Turn-Based · $29.99 + Deep, strategic, addictive gameplay 53+ Unique factions, varied playstyles, fresh 22− Slow pacing, broken balance, confusing 15 83.5%19,106 reviews 48 Sins of a Solar Empire II (2024) Space · Strategy · 4X · $49.99 + Improved mechanics and gameplay systems 80+ Improved graphics and visual updates 16− Stagnant with poor AI behavior 21 83.6%8,789 reviews 49 ENDLESS Space 2 (2017) Strategy · Space · Sci-fi · $39.99 + deep addictive faction-specific strategy 64+ beautiful visuals and faction designs 19− shallow tedious or broken systems 18 83.3%23,105 reviews 50 ENDLESS Legend™ 2 (2026) Strategy · Simulation · Grand Strategy · $24.99 + Asymmetric factions and evolving maps 54+ Beautiful art direction and visuals 34− Slow, shallow, or forced systems 29 83.6%4,087 reviews