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.
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.
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 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).
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 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
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
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 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: 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 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 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 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 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 (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 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 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 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 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 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!
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, is an Anime MMORPG set in the wildly alive world of Azuria. In Azuria the power of Gaia remains ever-present.
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 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 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
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: 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
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.
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
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.
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!
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
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!