Best Free Open World Games for PC and Browser in 2021!

156 Free-to-play Open World games found in our list! Please note we are also including Multiplayer Online Games and games with MMO elements.
Neverwinter
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FREE
Star Trek Online
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FREE
RIFT
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FREE

4Story
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FREE

4Story

4Story (or Gates of Andaron for North America) is a 3D Fantasy MMORPG with a visual style and interface design very similar to the popular MMORPG World of Warcraft. Three kingdoms are facing each other without a bit of yield, advocating each history and truth of those three kingdoms.

8BitMMO
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FREE

8BitMMO

Listen up all of you 8­bit lovers out there! As the name would suggest, 8BitMMO is a free to play retro­style 2D massively multiplayer game!

9Dragons
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FREE

9Dragons

9Dragons is a 3D martial arts MMORPG with a great combat system and a unique skill system, set in ancient China during the Ming Dynasty. The game allows you pick from one of four distinct classes (Warriro, Strategist, Chi Kung Artist, Holist) and six different martial arts (White Clans: Shaolin, Wu Tang, The League of Beggars - Black Clans: Sacred Flower, Heavenly Demon and The Brotherhood of Thieves).

Aberoth
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FREE

Aberoth

Adventure, magic, and fantasy await you in Aberoth, a free-to-play MMORPG crafted in the retro graphics of days gone by! Don’t let the graphics fool you, though, for Aberoth offers much to players who dare to embark on the path it offers.

AdventureQuest 3D
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FREE

AdventureQuest 3D

AdventureQuest 3D is Artix Entertainment's free-to-play follow-up to AdventureQuest Worlds, offering a fantastic MMORPG experience across multiple platforms. Explore an ever-expanding world, battle dangerous monsters, and capture amazing loot!

Age of Conan: Unchained
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FREE

Age of Conan: Unchained

Age of Conan: Unchained (Age of Conan: Hyborian Adventures) is a free to play 3D fantasy massively-multiplayer online roleplaying game (MMORPG) based on the world and works of acclaimed author Robert E. Howard.

Age of Wushu
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FREE

Age of Wushu

Age of Wulin, also known as Age of Wushu in North America is a new free to play fantasy 3D martial arts MMORPG with some unique features. Set in the Ming Dynasty (Jianghu) during the Chinese Feudal Empire.

Aika Online
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FREE

Aika Online

Aika Online is a 3D fantasy MMORPG with fast paced gameplay, great graphics and strong emphasis on player versus player (PvP) combat. The game presents three major PvP modes from small skirmishes to 1000 vs.

AION
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FREE

AION

Aion: Ascension is a free to play visually stunning 3D MMORPG where your character wields devastating powers and sweeping wings to explore a celestial world of breath-taking beauty and epic adventure. It features cutting-edge imagery, gorgeous environments, and a unique fantasy world.

Albion Online
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FREE

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.

Allods Online
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FREE

Allods Online

Allods Online is an impressive free to play fantasy MMORPG with some Sci-Fi elements that fans of the genre’s most successful titles can enjoy. It features extensive questing, intense player-versus-player combat, grand exploration, in-depth character development and plenty of social interaction.

Anarchy Online
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FREE

Anarchy Online

Anarchy Online is a 3D Sci-Fi MMORPG originally released in 2001 as a subscription based game, but it’s now available for free. Anarchy Online has four playable races (Solitus, Opifex , Nanomage, and Atrox) and fourteen different classes to chose from (Adventurer, Agent, Bureaucrat, Doctor, Enforcer, Engineer, Fixer, Keeper, Martial Artist, Meta-Physicist, Nano Technician, Shade, Soldier).

Angels Online
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FREE

Angels Online

Angels Online is a free to play 2D Fantasy MMORPG with great anime style graphics and lots of classes. Players can fight for 1 of 4 realms in Angels Online.

APB Reloaded
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FREE

APB Reloaded

APB: Reloaded (All Points Bulletin) is a free to play 3D massively multiplayer online third-person shooter game (MMOTPS) based in the modern-day fictional city of San Paro featuring two factions, Law Enforcement who take on the challenge of supporting and safeguarding justice, or as Gangs, who operate against the law and any opposing groups by any means necessary. Players can join either faction, and then form their own customized team and group to join the constant battle across the urban landscape.

ArcheAge
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FREE

ArcheAge

ArcheAge is a fantasy sandbox MMORPG that sends players on a journey across the great continents of Nuia and Harihara. In search of the legacy of the Delphinad, the greatest city to ever exist, they will unfold the secrets of the Lost Continent as well as whatever adventures and treasures that turn up along the way.

Argo
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FREE

Argo

Argo is a free-to-play shooter from Bohemia Interactive, designed as a concise, team shooter with three distinct play modes and quick matches. Two teams of five square off in tense matches with set objectives, or join a combat patrol and take on the ambushing AI.

Asda Global
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FREE

Asda Global

Asda Global is a free to play MMORPG that was developed by MaxOn Soft Corp. One of the main features in Asda Global is finding your Soulmate in-game.

Astellia Royal
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FREE

Astellia Royal

Astellia Royal is a free-to-play MMORPG that blends old-school mechanics with new-school sensibilities, all wrapped up in a beautiful package that's sure to please a wide variety of gamers. Choose from one of five classes and embark on an epic quest in both PvE dungeons and three-faction PvP battlegrounds.

Atlantica Online
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FREE

Atlantica Online

Atlantica Online travels back to the roots of traditional RPGs and blends classic turn-based combat with gripping strategy elements. The tactical combat present in this free MMORPG is a major attribute and one that is captivating players from all over the world!

Atom Universe
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FREE

Atom Universe

Live another life in Atom Universe, a free-to-play social virtual world from Atom Republic that has lots of fun activities and places to explore, alone or with friends. You can play in the Minikart Race or the Shooting Gallery, or try your hand at some Motor Stunts.

Aura Kingdom
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FREE

Aura Kingdom

Aura Kingdom, is an Anime MMORPG set in the wildly alive world of Azuria. In Azuria the power of Gaia remains ever-present.

Blade and Soul
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FREE

Blade and Soul

Blade & Soul is a free to play 3D action-combat MMORPG. In Blade & Soul, you'll take part in epic martial-arts action, fighting evil at every turn with your vast array of physical and mystical abilities.

Blockade 3D
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FREE

Blockade 3D

Blockade 3D is a free to play multiplayer First Person Shooter (FPS) in an editable procedural world similar to Minecraft. In this cubic sandbox you can build and destroy things with 4 teams at the same time and up to 32 players on one map.

Cabal Online
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FREE

Cabal Online

Cabal Online is a free 3d Fantasy MMORPG (Massively multiplayer online role playing game) with fast paced combat system and awesome graphics, that takes place in the world of Nevareth. The game provides quite good options, with features that include a unique combo system, timed and group dungeons, spectacular animations, and massive player versus player nation wars.

Champions of Regnum
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FREE

Champions of Regnum

Champions of Regnum is a free to play 3D fantasy MMORPG similar to the subscription-based MMORPG, Dark Age of Camelot (DAoC). Both games have realm versus realm action (RvR), 3 realms to choose from, and similar graphics.

Champions Online
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FREE

Champions Online

Champions Online: Free for All is a 3D superhero-themed Fantasy MMORPG (Massively multiplayer online role playing game) from Cryptic Studios (creator of City of Heroes Freedom), with fast paced gameplay and awesome cel-shading graphics, set in Millennium City. The game used to be pay to play but officially went free to play.

Clash of Avatars
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FREE

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.

Closers
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FREE

Closers

In Closers, a free-to-play fighting MMORPG, horrific creatures are springing from mysterious dimensional gates all around New Seoul, and it's up to you to stop them! Play as one of several psychic warriors, each with their own unique backstory and special abilities, and reclaim Korea!

Continent of the Ninth Seal
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FREE

Continent of the Ninth Seal

C9 (Continent of the Ninth Seal) is a free to play 3D fantasy action RPG with great graphics, strategic battle zone system, story driven quests, and much more. C9 has hack and slash style action with impressive graphics, fluid movement and fancy skill effects that combine to create visually marvelous game play.

Creativerse
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FREE

Creativerse

In Creativerse, a free-to-play building game from Playful Corporation, you can explore, mine, craft, and build to your heart's content in a lush and vibrant 3-D world. Many elements will be familiar to players of similar games, but Creativerse streamlines much of the gameplay, making it easy to jump right in and start building the structure of your dreams!

CRSED: F.O.A.D.
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FREE

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.

Crusaders Of Light
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FREE

Crusaders Of Light

Battle against the demon hordes in Crusaders of Light, Netease's popular free-to-play mobile MMO, now on Steam! Choose from one of five classes and take on epic challenges with your guild mates!

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