Best Free Open World Games for PC and Browser in 2024!

163 Free-to-play Open World games found in our list! Please note we are also including Multiplayer Online Games with MMO elements.
CRSED: F.O.A.D.
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FREE
Neverwinter
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FREE
Star Trek Online
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FREE

Noah’s Heart
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Noah’s Heart

Noah's Heart is an open-world action-adventure MMORPG game developed by Archosaur Games, the developers of Dragon Raja.

Genshin Impact
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Genshin Impact

Explore a bright and fantastical anime-styled world in miHoYo's free-to-play online RPG Genshin Impact. Assemble your crew of adventurers and shift between them on the fly, as you journey across the world of Teyvat and fight monsters, solve puzzles, and help the townsfolk.

Flyff Universe
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Flyff Universe

Flyff Universe uses an updated graphics engine to merge some fan favorite features! Experience the Anime MMORPG anywhere through any browser.

Dark Orbit Reloaded
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Dark Orbit Reloaded

Take part in huge intergalactic battles and take on the whole galaxy in DarkOrbit, the free-to-play browser-based space combat MMO from Bigpoint -- now in 3-D! Choose your faction and your ship, each with their own strengths, and take off into adventure!

Fortnite
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Fortnite

Play Fortnite in a totally new way, in Fortnite: Battle Royale, the free-to-play spinoff of Epic Games' builder/shooter. Like other classic BR games, you'll be dropped into the world and forced to scavenge and survive.

Palia
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Palia

Get your cozy MMO on as you work to build your house, collect bugs, fish, and help out friends.

Eden Eternal
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Eden Eternal

Eden Eternal is a free-to-play 3D anime-style MMORPG from the developers of Kitsu Saga and Grand Fantasia. In Eden Eternal, players will trek across a magical realm filled with vibrant races (Humans, Beast Men, Frog Men and other half-animal races) and prosperous villages.

RuneScape
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RuneScape

RuneScape is one of the most popular free-to-play Browser MMORPG, from the British development studio Jagex. Set in a detailed, medieval fantasy world of epic scale both geographically and historically, RuneScape proudly draws its inspiration from classic role-playing games to deliver a contemporary, innovative and original experience for millions of players across the globe, with a popular subscription option of even greater scale and ambition, both running directly within almost any computer’s browser.

MMORPGAvailable on Windows Available on Browser
Diablo Immortal
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FREE

Diablo Immortal

Diablo Immortal is an all-new massively multiplayer online action RPG and Blizzard’s long advertised mobile Diablo experience (that totally was not coming to PC) comes to PC complete with all the demon slaying and looting you could want.

Phantasy Star Online 2
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Phantasy Star Online 2

Phantasy Star Online 2 is a free to play 3D MMORPG published by SEGA. Based on the original Dreamcast and Gamecube series, Phantasy Star Online 2 offers players the chance to visit detailed worlds and fight hundreds of interesting enemies.

League of Angels - Heaven
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League of Angels - Heaven's Fury

Embark on an epic quest to save world in League of Angels - Heaven's Fury, the latest entry in the free-to-play browser-based MMORPG franchise. Play as a mighty Dragoon, the enigmatic Mage, or deadly Archer and recruit your team of angels from the sides of light and darkness to fight against demonic beasts and their vile masters in a gorgeously rendered fantasy world.

Star Trek Online
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Star Trek Online

Star Trek Online (STO) is a free to play 3D Sci-Fi MMORPG based on the popular Star Trek series. In this massively multiplayer online game from Cryptic Studios, players can pioneer their own destiny as Captain of a Federation starship or they can become a Klingon Warlord and expand the Empire to the far reaches of the galaxy.

Stein.world
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Stein.world

Take part in an immersive multiplayer online fantasy world in Stein, a charming free-to-play social browser-based MMORPG from pg5-studio. Embark on hundreds of quests and take on challenging wave dungeons -- or just enjoy the social aspects of the game!

Dark Knight
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Dark Knight

Become a devil hunter and challenge the forces of evil in Dark Knight, a free-to-play browser MMOARPG from Fortune Game Ltd. Start off as a sorcerer or slayer and summon a goddess to fight by your side as you ascend to become the ultimate devil-fighting machine!

One Punch Man: World
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FREE

One Punch Man: World

Train, explore, fight monsters...you know what to do!

Neverwinter
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Neverwinter

Neverwinter is an action MMORPG based on the acclaimed Dungeons and Dragons universe. In Neverwinter you take on the role as a mighty hero who must set out to protect the lands of Neverwinter from those who conspire to see it destroyed.

Kritika: Zero
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Kritika: Zero

Leap into action in Kritika: Zero (Kritika Online), a fast-paced free-to-play MMORPG from VALOFE!

Dino Storm
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Dino Storm

Dino Storm is a 3D RPG browser-based MMO by Splitscreen Studios. Players embark on a perilous journey to DinoVille, with nothing more than a change in their pockets, some ammunition, a loaded laser cannon, and your very own dinosaur.

Digimon Masters Online
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Digimon Masters Online

Digimon Masters is a free to play 3D MMORPG featuring the popular Digimon franchise. The conflict has spilled once again from the Digital World into the Real World and the fate of both worlds will rest on the hands on a new generation of Tamers.

Stay Out
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Stay Out

Survive on the edge of civilization in Stay Out, a free-to-play post-apocalyptic MMORPG from Mobile Technologies LLC. Become a "stalker," exploring the vast and hostile Alienation Zone in search of artifacts, but tread carefully -- dangerous creatures lurk in the dark, and you'll need all your wits, and a quick trigger finger, to survive.

Fiesta Online
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Fiesta Online

Fiesta Online is a free to play 3D cartoon style MMORPG with simple gameplay, cell-shaded graphics, regular updates, and now with a browser version. The game combines easy to learn controls with the accustomed depth of an online role-playing game, which makes it suitable for beginners and experienced players alike.

Ultimate Pirates
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Ultimate Pirates

Avast! Set sail and plunder the high seas in Ultimate Pirates, a web-based MMORPG from Gameforge and developer Moonmana.

Mabinogi
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Mabinogi

Mabinogi is a free online game developed by devCAT Studio during three years. It’s also an innovative free MMORPG that offers an amazing cartoon look, thanks to a technique called Cartoon Rendering.

Albion Online
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Albion Online

Albion Online is a 3D sandbox MMORPG with player freedom being at the center of the game. Players will be able to claim land, build a house, gather resources, craft items which they can use or sell, and engage in Guild vs Guild or open world PVP.

Tower of Fantasy
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Tower of Fantasy

Tower of Fantasy brings the MMORPG experience to PC and mobile with a F2P, splashy, anime-esque style.

Royal Quest
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Royal Quest

Royal Quest is an isometric 3D MMORPG from the makers of the more recent King's Bounty series, Katauri. The MMO sports a clean artstyle which fits in nicely with Royal Quest's fantasy setting.

Flyff: Fly For Fun
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Flyff: Fly For Fun

Fly For Fun (Flyff) is a popular free to play 3D fantasy MMORPG with enjoyable graphics, a large community, and frequent content updates called "versions" . The gameplay, animations and visuals of Flyff seems very cheerful.

Dauntless
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Dauntless

Gather your friends, forge your weapons, and hunt ferocious behemoths in Dauntless, the co-op multiplayer RPG from Phoenix Labs, a studio consisting of developers from some of the biggest MMORPG ever made. Set adrift in a lush fantasy world known as the Shattered Isles, "Slayers" must band together to contend with a harsh environment and even harsher enemies Each Slayer can choose his or her weapon and attack style, from lightning-fast sword attacks to powerful axe strikes.

CRSED: F.O.A.D.
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CRSED: F.O.A.D.

The former Cuisine Royale has a new name, but the free-to-play battle royale action is just as crazy as before! CRSED: F.O.A.D.

MU Legend
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MU Legend

Fight against the God of Destruction in Mu Legend, the free-to-play action RPG follow-up to Webzen's popular Mu Online. The attempt to hide evil in a human body failed, causing death and destruction on a massive scale.

Halo Infinite (Multiplayer)
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Halo Infinite (Multiplayer)

Step into the boots of a fresh Spartan and fight for galactic supremacy in free-to-play Halo Infinite Multiplayer

Clash of Avatars
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Clash of Avatars

Clash of Avatars is a free to play browser-based ARPG with simple controls and ease of play that’s virtually unrivaled in the realm of online gaming. It’s light-hearted, casual fun with a bright and cheery anime style that’s evident even when you’re hacking through scores of enemies.

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FAQ

Frequently Asked Questions

What does Open World Game mean?

An open world game is one that sets aside the typical "beat the level and go on to the next" structure of video games. Instead, an open world game allows the player the freedom to explore a virtual world the way they want to without limits. While this term often gets presented as "do anything you want", it would be better to think of an open world game as allowing you to tackle the game's objectives in any order you want and through whatever method you want.

Open world games typically do not have loading screens in between areas and usually let the player roam wherever they desire without "invisible walls" or other gating mechanics barring the player's passage to certain areas.

In open world games you can often travel from one side of the map to the other and only be constrained by the actual geography of the world.

The "most" open world game is going to differ based on what you are looking for when you say, "most open world." If you are strictly talking about the size of the open world, then something like "No Man's Sky" (not a F2P game) could probably be considered one of the most open world games. EVE Online (which does offer a limited free access point) would also fit in this definition as both games offer galaxies of “open world” to explore.

If by the "most" open world you mean the most freedom to go wherever you want to go, then perhaps games like Minecraft or Rust are the options you are looking for in your open world experience.

There aren't a ton of truly open world games in the free-to-play MMO game space, but games like EVE Online, Albion Online, and Planetside 2 offer some type of open world component to their gameplay.

Often you may see games advertised as open world (like Tower of Fantasy or Genshin Impact) and to a certain extent they are, but sometimes level gating is in use to keep players out of areas where the content may be harder than the player’s character level. You'll also often see games in the free-to-play genre referred to as "sandbox" and this usually means the game has some type of "do whatever you want" component like open world games.