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Games Like UFO Online: Invasion

60+ similar titles based on shared tags and player behavior. Themes include Free to Play, Massively Multiplayer, RPG, Multiplayer.

Similar Games

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  1. #1 Affected Zone Tactics
    96% matchMixed55% of 341 reviews2015
    Dev: Light Vision Interactive
    Windows
    Median: 1.5 hrsMean: 12.7 hrs≥1hr: 58%

    Welcome to Affected Zone Tactics, a tactical online game with cooperative turn-based PvP combats. Travel through the Tesla portal to a dangerous parallel world, lead the squad of reckless mercenaries, and outrage mighty corporations and cliques.

    Why similar: Massively Multiplayer 51.9%, Turn-Based 32.4%, Strategy 13.4%, Post-apocalyptic 2.2%

  2. #2 Anomaly Zone
    93% matchMixed48% of 974 reviews2019
    Dev: NEW STORY GAMESPub: MALSER LLC
    Windows
    Median: 36 minMean: 56.9 hrs≥1hr: 33%

    Anomaly Zone is an open world MMORPG and a post-apocalyptic shooter. Be a scientist, a soldier, a hunter or an engineer. Explore anomalous territories, search for artifacts, fight mutants and other players. Participate in mass PvP and PvE battles. The Zone is waiting!

    Why similar: Massively Multiplayer 55.6%, RPG 14.9%, Open World 9.8%, Multiplayer 5.5%, Action 4%

  3. #3 Will To Live Online
    91% matchMixed69% of 18,150 reviews2018
    Dev: AlphaSoft LLC
    Windows
    Median: 1.2 hrsMean: 35.0 hrs≥1hr: 55%

    Will To Live is a MMORPG-shooter whose action takes place in a severe post-apocalyptic world. Explore the world, engage in fights with mutants and other survivors, join the clans in the struggle for existence and prove your right to Live.

    Why similar: Massively Multiplayer 35.4%, Open World 22%, Multiplayer 15.1%, Survival 8.8%, Post-apocalyptic 6.1%

  4. #4 Operation: New Earth
    92% matchMixed61% of 819 reviews2016
    Dev: Hunted Cow Games
    Windows · Mac
    Median: 2.4 hrsMean: 36.1 hrs≥1hr: 63%

    Operation: New Earth is an intense sci-fi multiplayer strategy game in which you must command an advanced military facility to defend Earth from a hostile alien invasion. Create an alliance, gather resources, and unlock advanced technology to level up your stronghold!

    Why similar: Massively Multiplayer 68.1%, Strategy 20.8%, Multiplayer 6.3%, Aliens 3.5%, Survival 1.3%

  5. #5 Mortal Online
    91% matchMixed52% of 2,957 reviews2015
    Dev: Star Vault AB
    Windows
    Median: 54 minMean: 21.0 hrs≥1hr: 47%

    Mortal Online is a first-person medieval fantasy MMORPG, set in a huge, open, unforgiving world. Choose your race, choose your playstyle, choose a profession, choose where to place your loyalties - if you have any...

    Why similar: Massively Multiplayer 56.8%, Open World 20.2%, RPG 10.1%, Multiplayer 6.8%, Survival 3.6%

  6. #6 Astroflux
    89% matchMostly Positive72% of 343 reviews2016
    Dev: Fula Fisken
    Windows · Mac
    Median: 3.1 hrsMean: 18.1 hrs≥1hr: 69%

    Play Astroflux - a retro styled, action packed MMO space shooter.

    Why similar: Massively Multiplayer 76.2%, RPG 18.1%, Action 5.8%

  7. #7 Darkwind
    88% matchMixed51% of 478 reviews2014
    Dev: Psychic Software
    Windows · Mac
    Median: 18 minMean: 8.0 hrs≥1hr: 19%

    Darkwind is a multiplayer online, simultaneous turn-based game of vehicular combat. Set in a post-apocalyptic world, it involves physics-based tactical combat and deathracing, online leagues, cooperative wilderness scouting and looting, trading and camp-based crafting. Live and online since 2006!

    Why similar: Massively Multiplayer 35.8%, Turn-Based 20.9%, Strategy 9.1%, RPG 8.9%, Open World 8.6%

  8. #8 LuckCatchers
    87% matchMixed55% of 812 reviews2016
    Dev: DiP Online
    Windows
    Median: 42 minMean: 9.9 hrs≥1hr: 38%

    Massively multiplayer online game in the world of magic and steam. Become a pirate or a trader, a carrier or a manufacturer in this unfriendly world inhabited by dragons.

    Why similar: Massively Multiplayer 55.7%, Open World 14.8%, RPG 14.4%, Strategy 12.1%, Multiplayer 2.1%

  9. #9 Anarchy Online
    86% matchVery Positive83% of 281 reviews2017
    Dev: Funcom
    Windows

    Anarchy Online – the first ever science fiction MMO – is now on Steam! Compete and cooperate with thousands of players simultaneously on a vast, alien world. Join humanity nearly 30,000 years in the future in a world of perpetual conflict and scientific marvel.

    Why similar: Massively Multiplayer 61.4%, RPG 14.9%, Open World 10.2%, Strategy 6.5%, Multiplayer 4.4%

  10. #10 Stay Out
    84% matchMixed68% of 29,668 reviews2019
    Dev: MOBITECH LLC
    Windows
    Median: 42 minMean: 18.5 hrs≥1hr: 36%

    Stay Out - is a MMORPG with shooter elements, based on spirit of “stalking” - an urban exploration, searching and exploring mysterious, abandoned and forgotten by humanity pieces of our planet.

    Why similar: Open World 26.7%, RPG 20.3%, Multiplayer 17.1%, Shooter 14.9%, Post-apocalyptic 7.7%

  11. #11 Star Conflict
    85% matchMostly Positive73% of 15,084 reviews2013
    Dev: Star Gem Inc.Pub: Gaijin Network Ltd
    Windows · Mac · Linux
    Median: 2.0 hrsMean: 34.3 hrs≥1hr: 63%

    Star Conflict is an action-packed, massively multiplayer space simulation game that puts players in the role of elite pilots engaging in a widespread interplanetary skirmish. The whole world for PVP and PVE!

    Why similar: Massively Multiplayer 50.1%, Open World 16.9%, RPG 12.7%, Shooter 9%, Aliens 7.4%

  12. #12 Dogs of War Online
    84% matchMixed64% of 710 reviews2014
    Dev: Cyanide StudioPub: Nacon
    Windows
    Median: 42 minMean: 5.1 hrs≥1hr: 41%

    Dogs Of War Online is a multiplayer tactical game, based on the classic board game "Confrontation". Build your own company of mercenaries from the wide range of units available and challenge thousands of players in intense battles.

    Why similar: Strategy 41.3%, Turn-Based 35%, Multiplayer 12.4%, RPG 11.3%

  13. #13 Astro Lords
    83% matchMixed65% of 227 reviews2015
    Dev: Aratog LLCPub: Conglomerate 5
    Windows · Mac · Linux
    Median: 48 minMean: 5.8 hrs≥1hr: 44%

    Player bases are located on asteroids, which travel within the Oort Cloud. Once they’ve acquired the appropriate skills, players can control their asteroid’s movements. Mass-combat enthusiasts will love the Arena: here, players can battle it out against alien races or other Astro Lord players.

    Why similar: Massively Multiplayer 49.5%, Open World 14.9%, RPG 12.4%, Strategy 10.5%, Multiplayer 9.3%

  14. #14 Second Galaxy
    82% matchMixed52% of 1,200 reviews2019
    Dev: Zilong Game Limited
    Windows
    Median: 36 minMean: 9.4 hrs≥1hr: 38%

    Second Galaxy is an open world sci-fi game that combines RPG and SLG elements. You can navigate hundreds of different space ships, team up with players to form alliances, and engage in intergalactic battles with other players around the world.

    Why similar: Massively Multiplayer 60.5%, RPG 14.5%, Open World 13.2%, Strategy 11.8%

  15. #15 WAKFU
    81% matchMostly Positive76% of 10,640 reviews2014
    Dev: Ankama StudioPub: Ankama Games
    Windows · Mac · Linux
    Median: 2.3 hrsMean: 46.1 hrs≥1hr: 69%

    Immerse yourself in the WAKFU universe with this free to play MMORPG. Select your class, travel the world, meet adventurers to challenge powerful monsters in epic turn-based battles.Participate in the kingdom’s economy and politics and create your own legend!

    Why similar: Massively Multiplayer 41.7%, Turn-Based 19.6%, Open World 13.6%, RPG 10.6%, Strategy 7.2%

  16. #16 Fallen Earth Classic
    81% matchMixed60% of 7,558 reviews2012
    Dev: Little Orbit
    Windows
    Median: 1.1 hrsMean: 30.3 hrs≥1hr: 54%

    Fallen Earth Classic is a free-to-play massively multiplayer online role-playing game developed by Reloaded Productions and operated by Little Orbit. The game takes place in a post-apocalyptic wasteland located around the American Grand Canyon.

    Why similar: Massively Multiplayer 37.3%, Open World 21.4%, Multiplayer 14.2%, RPG 7.9%, Survival 6.8%

  17. #17 Dead Maze
    79% matchMostly Positive75% of 4,790 reviews2018
    Dev: Atelier 801
    Windows · Mac · Linux
    Median: 1.0 hrsMean: 15.2 hrs≥1hr: 50%

    Dead Maze is a 2D MMO game set in a destroyed contemporary world, filled with zombies. Explore the world, scavenge and craft as many items as possible, to survive the hostile environment and upgrade your gear and camp as you go.

    Why similar: Massively Multiplayer 57.8%, Open World 15.6%, Multiplayer 13.3%, Survival 7.9%, Post-apocalyptic 2.8%

  18. #18 Pixel Starships
    75% 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: Massively Multiplayer 53.9%, Strategy 13.8%, RPG 10.5%, Multiplayer 9.6%, Post-apocalyptic 6.2%

  19. #19 Atlantica Global
    77% matchMixed65% of 1,019 reviews2020
    Dev: VALOFE
    Windows
    Median: 2.4 hrsMean: 187.2 hrs≥1hr: 61%

    Atlantica Global is a free-to-play (F2P) massive multiplayer online role-playing game (MMORPG), with a tactical combat system. Venture out in to the world of Atlantis where you'll find otherworldly monsters, amazing gear, and even more battle-hardened adventurers like yourself.

    Why similar: Massively Multiplayer 63.5%, RPG 16.5%, Strategy 13.6%, Action 4.3%, Turn-Based Combat 2.1%

  20. #20 Ryzom
    78% matchMostly Positive70% of 522 reviews2016
    Dev: Winch Gate Property Limited
    Windows · Mac · Linux
    Median: 36 minMean: 12.1 hrs≥1hr: 41%

    Enter a unique science fantasy MMORPG and dive into a unique organic living world !

    Why similar: Massively Multiplayer 57.7%, Open World 18.3%, RPG 13.4%, Multiplayer 10.6%

  21. #21 Infestation: The New Beginning
    79% matchMixed42% of 25,431 reviews
    Dev: Fredaikis ABPub: OP Productions LLC
    Windows
    Median: 6.5 hrsMean: 58.0 hrs≥1hr: 82%

    Infestation is a Survival Horror MMO that immerses players in a zombie-infested, post-apocalyptic world in which a viral outbreak has decimated the human population leaving in its wake, a nightmare of epic proportion.

    Why similar: Massively Multiplayer 57.9%, Open World 14.7%, Multiplayer 7.3%, RPG 6.5%, Survival 6.5%

  22. #22 FreeInfantry
    73% matchVery Positive83% of 160 reviews2024
    Dev: FreeInfantry Group
    Windows

    Isometric. Massively Multiplayer. Capture The Flag. Skirmish. Bug Hunt. And more. Welcome to FreeInfantry - the world's first massive multiplayer online isometric shooter.

    Why similar: Shooter 45.9%, Aliens 33.3%, Action 20.8%

  23. #23 Immortal Empire
    76% matchMostly Positive72% of 309 reviews2015
    Dev: Tactic Studios Inc.
    Windows
    Median: 1.0 hrsMean: 8.8 hrs≥1hr: 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.

    Why similar: Strategy 28.7%, RPG 28.2%, Turn-Based 26.7%, Multiplayer 8.9%, Turn-Based Combat 7.6%

  24. #24 STALCRAFT: X
    70% matchMostly Positive73% of 96,351 reviews2022
    Dev: EXBO
    Windows
    Median: 2.7 hrsMean: 92.1 hrs≥1hr: 73%

    STALCRAFT: X is the largest open-world online game in the Chernobyl Exclusion Zone. Explore the world full of mutants and anomalies alone or with friends — unforgettable emotions guaranteed.

    Why similar: Massively Multiplayer 53.5%, Multiplayer 17.2%, Shooter 12.5%, RPG 11.9%, Action 4.9%

  25. #25 War Planet Online: Global Conquest
    74% matchMixed63% of 961 reviews2017
    Dev: Gameloft
    Windows
    Median: 1.7 hrsMean: 34.4 hrs≥1hr: 59%

    Build your army, dominate your region and lead your alliance to conquer the globe!

    Why similar: Massively Multiplayer 64.1%, Strategy 15.4%, Multiplayer 12.5%, Survival 4.5%, Action 3.5%

  26. #26 WWII Online
    72% matchMixed51% of 3,784 reviews2023
    Dev: Cornered Rat SoftwarePub: Playnet, Inc.
    Windows · Mac
    Median: 24 minMean: 3.7 hrs≥1hr: 28%

    WWII Online is a massive, persistent free-to-play MMO FPS driven entirely by players. Fight as Army, Air, or Naval forces and earn Victory Points to access more units. One global server. No scripts. Real outcomes. No zones. Huge world (300,000 km²). ENLIST NOW!

    Why similar: Massively Multiplayer 46%, Shooter 18.1%, Open World 11.6%, Multiplayer 8.5%, Strategy 8.3%

  27. #27 MechWarrior Online™ Legends
    73% matchVery Positive80% of 12,610 reviews2015
    Dev: Piranha Games Inc.
    Windows
    Median: 1.6 hrsMean: 56.7 hrs≥1hr: 60%

    MechWarrior Online™ Legends is a tactical, 'Mech-based online shooter set in the vast BattleTech Universe. Assume the role of an elite MechWarrior, piloting powerful BattleMechs, fighting for supremacy over the Inner Sphere.

    Why similar: Massively Multiplayer 47%, Multiplayer 20.5%, Shooter 14.9%, Strategy 10.6%, Action 6.1%

  28. #28 Allods Online
    74% matchMostly Positive72% of 844 reviews2016
    Dev: IT TerritoryPub: MY.GAMES 
    Windows
    Median: 2.0 hrsMean: 16.3 hrs≥1hr: 67%

    Allods Online is a massively multiplayer online role-playing game, set in the fantasy space opera universe of Sarnaut. It is the fourth opus of the Rage of Mages series which started in the mid-90s, conquering the minds of millions of gamers around the world.

    Why similar: Massively Multiplayer 54.7%, Open World 17.3%, RPG 14.2%, Multiplayer 10.2%, Action 3.7%

  29. #29 Downfall MMORPG
    70% matchMixed54% of 65 reviews2026
    Dev: Rainmade Games
    Windows

    Downfall MMORPG is an open-world sci-fi & fantasy MMORPG where magic and technology collide. Choose a faction, forge your own playstyle, and fight for control of a living world in massive PvP battles and endless PvE adventures.

    Why similar: Massively Multiplayer 60.1%, Open World 20.3%, RPG 19.6%

  30. #30 Once Human
    67% matchMostly Positive77% of 167,251 reviews2024
    Dev: Starry Studio
    Windows
    Median: 3.7 hrsMean: 50.2 hrs≥1hr: 77%

    Once Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world.

    Why similar: Massively Multiplayer 44.9%, Open World 15.6%, RPG 11.4%, Multiplayer 10.9%, Shooter 8%

  31. #31 Dark Eden Origin
    75% matchMixed41% of 91 reviews2017
    Dev: SOFTON ENTERTAINMENT
    Windows

    ‘‘DARK EDEN ORIGIN’ is online MMPRPG game which is dealing with an endless battle between the human and the vampire at a highly developed industry society in the future. After the whole world has gone to sleep by the extinction of civilization, only two races has woken up. Enjoy the brutal battle between them.

    Why similar: Massively Multiplayer 82.1%, RPG 17.9%

  32. #32 Therian Saga
    72% matchMostly Positive72% of 566 reviews2017
    Dev: Virtys
    Windows
    Median: 1.2 hrsMean: 42.4 hrs≥1hr: 51%

    Therian Saga is a MMORPG that tries to stand out of the crowd by offering a compelling storytelling surrounded by a massive mathematical set of rules that define the world your hero will evolve in. It could be said that it borrows elements from old-time MUD games, strategy games and even tabletops RPG.

    Why similar: Massively Multiplayer 49.8%, RPG 13.7%, Open World 12.7%, Strategy 11.5%, Multiplayer 9.3%

  33. #33 Imperia Online
    73% matchMixed59% of 309 reviews2016
    Dev: Imperia Online JSC
    Windows
    Median: 2.0 hrsMean: 28.1 hrs≥1hr: 62%

    Imperia Online brings you into a world, which exists in the times before the age of gunpowder. It is the world of the sharp blade, long bow and war horse. Experience the vast amount of gameplay mechanics and compete with thousands of players in a totally realistic medieval strategic simulation!

    Why similar: Massively Multiplayer 66.5%, Strategy 16.1%, Multiplayer 13.7%, Action 3.8%

  34. #34 Infestation: The New Z
    71% matchMixed54% of 33,896 reviews2016
    Dev: Fredaikis ABPub: OP Productions LLC
    Windows
    Median: 1.5 hrsMean: 28.0 hrs≥1hr: 59%

    The New Z is a FREE TO PLAY multi-game mode experience. SURVIVE with friends and gather loot, stash and trade. Go into wars against other groups in a massive OPEN WORLD or face them 5 v 5 in COMPETITIVE.

    Why similar: Massively Multiplayer 40.9%, Open World 22.8%, Multiplayer 15.5%, Survival 7.3%, Shooter 6%

  35. #35 Alien Swarm
    69% matchVery Positive95% of 21,506 reviews2010
    Dev: Valve
    Windows
    Median: 2.4 hrsMean: 35.4 hrs≥1hr: 65%

    Co-operative multiplayer game and complete code base available for free.

    Why similar: Multiplayer 32.6%, Shooter 22.1%, Aliens 19.3%, Action 12.2%, Strategy 7.8%

  36. #36 Tombstone MMO
    66% matchMostly Positive76% of 114 reviews2024
    Dev: Well BucketPub: RedTigerPro
    Windows

    Tombstone MMO is a western-futuristic, low-res 2D indie MMORPG set in a post-climate-apocalyptic world.

    Why similar: Massively Multiplayer 46.2%, Open World 18.4%, RPG 15.3%, Multiplayer 10%, Post-apocalyptic 5.5%

  37. #37 Arcane Afterfall
    64% matchMixed69% of 721 reviews2025
    Dev: Nokhook EntertainmentPub: Brightika, Inc.
    Windows · Mac
    Median: 48 minMean: 3.7 hrs≥1hr: 44%

    A 2D MMORPG with turn-based combat, dungeons, PvP, PvE in a unique world with story driven content.

    Why similar: Massively Multiplayer 44.6%, RPG 38.6%, Post-apocalyptic 8.9%, Turn-Based Combat 8%

  38. #38 Sphere 3
    69% matchMixed54% of 516 reviews2015
    Dev: GameXP.com
    Windows
    Median: 1.1 hrsMean: 7.1 hrs≥1hr: 52%

    Sphere 3 is an MMORPG featuring large-scale castle sieges with siege engines, epic battles with ancient monsters, a flexible progression system, and a non-target combat system. Join Sphere 3, become a legend!

    Why similar: Massively Multiplayer 50.8%, Open World 14.8%, RPG 14.3%, Multiplayer 9.9%, Shooter 6.7%

  39. #39 Aberoth
    68% matchMixed64% of 1,457 reviews2015
    Dev: Jarbit
    Windows · Mac · Linux
    Median: 24 minMean: 37.1 hrs≥1hr: 35%

    Aberoth is a fantasy massively multiplayer online role playing game with charming retro graphics and tons of freedom.

    Why similar: Massively Multiplayer 58.4%, Open World 17.7%, RPG 15.4%, Multiplayer 5.8%, Action 2.7%

  40. #40 World Of Robots
    67% matchMixed59% of 350 reviews2022
    Dev: Super Games Studio
    Windows

    World of Robots is the tactical online shooter with simple controls

    Why similar: Massively Multiplayer 69.6%, Shooter 13.3%, RPG 10.7%, Action 6.4%

  41. #41 VEGA Conflict
    68% matchMixed58% of 4,985 reviews2015
    Dev: KIXEYE
    Windows · Mac
    Median: 2.7 hrsMean: 90.8 hrs≥1hr: 63%

    Stake your claim, command your fleets, and wage epic war in space.

    Why similar: Massively Multiplayer 58.6%, Open World 14.2%, Strategy 13.6%, Multiplayer 7.1%, Survival 3.4%

  42. #42 Walkover
    69% matchMixed64% of 137 reviews2015
    Dev: Millenium Project Enterprises
    Windows
    Median: 1.2 hrsMean: 42.6 hrs≥1hr: 52%

    It is WAR!Team up with your comrades to stand against the pesky aliens.

    Why similar: Multiplayer 50.7%, Action 49.3%

  43. #43 Future War Tactics: SOF vs Alien Invasion – Turn-Based Strategy
    63% matchMostly Positive70% of 136 reviews2025
    Dev: QuadCom InteractivePub: Brightika, Inc.
    Windows

    Future War Tactics: SOF vs Alien Invasion - a turn-based strategy where you command SOF forces against an alien threat. Investigate disappearances, fight the invaders, and uncover the mystery. Every decision affects the fate of humanity.

    Why similar: Turn-Based 54.8%, Strategy 22.5%, Turn-Based Combat 11.6%, Aliens 8.3%, RPG 2.9%

Based on tag similarity + player behavior
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