Ryzom

Dead Event is a indie MMORPG survival game in which the player grows up as a creature. The creature will grow bigger overtime and with interactions in-game also lose some growth on death. Form a colony or hunt alone, become part of a player-created ecosystem. Survive, eat or be eaten...

RPG MO is a nostalgic MMORPG that reminds of Ultima and Runescape Classic.

Enter a magical, 3D fantasy world filled with hundreds of unique locales, immersive lore, and exciting quests -- and it's all free to play. Join thousands of players from around the world, and be part of a one of a kind community.

qb is an open world sandbox adventure game. Play together with your friends or singeplayer. Craft and enchant items. Skill your character. Earn rewards through quests. Help the villagers and let their homeland grow. Don't like the scenery? Modify it to your likings and share it!

A sandbox MMORPG that has pushed the boundaries on what it means to be open world and stood the test of time. Dig, mine, shape the world around you and make your lasting mark!

Create a character and fight your enemies in 2D MMORPG with your friends. Huge open world, guild castles, free PvP, arena, battles between Alliances, Guilds, Dungeons and jolly holidays await!

This is a Simulation game. You will manage your cloud city, recruit adventurers all over the world, take them for exploration, obtain resources and blueprints. Construct buildings, make equipment, produce items, so to develop your city into greatness together with your adventurers.

Shape your citizen, forge your destiny and sculpt your world in this epic voxel sandbox MMO built on endless possibility.

Project Genom is an open world, non-target sci-fi MMO with an innovative character progression system. Pilot a walking robot, transform your body's DNA, use various kinds of high tech, build spaceships and explore new worlds!

Tactical Craft Online - MMO sandbox with tactical role-playing elements with a large open fully destructible world, with clans, trade between players, construction limited to the players imagination, various crafting, mining of multiple ores, farming, fishing, a massive tech tree etc.

Terafall is a procedurally generated, open-world sandbox RPG all about exploring a new world to save your own dying planet from extinction, with a strong focus on non-linearity and character progression.

Live your own adventure in the breathtaking world of Bless Online! Fight for your faction in RvR battles and field PvP, explore treacherous dungeons with your friends, tame fantastic monsters, and become a legend.

Define your own destiny in this dynamic, open-world sandbox MMORPG. Explore vast fantasy worlds, fight monsters and other players in dynamic PvE and PvP battles, gather resources, set up a trade empire, grow your virtual home to a major city or conquer others. Chose your own way!

A sandbox game as big as your imagination.

Played by over 20 million Adventurers - Black Desert Online is an open-world, action MMORPG. Experience intense, action-packed combat, battle massive world bosses, fight alongside friends to siege and conquer castles, and train in professions such as fishing, trading, crafting, cooking, and more!

Wurm Unlimited is the standalone version of the fantasy sandbox world Wurm Online, the MMORPG where the players are in charge! A pioneer in the ideas of player influence, crafting and adventure, it is now one of the most deep and feature packed true sandbox experiences available.

Project: Gorgon is a fantasy MMORPG that allows you to forge your own path through exploration and discovery.

Xsyon is a player driven apocalyptic fantasy sandbox MMORPG, set in a living and evolving environment. Players create the world they want to live in as they form tribes, construct towns, shape landscapes, create quests, hunt, farm, gather, build societies and develop a New World.

Play your role in the life-filled medieval world controlled by players. Live on an inhabited territory or conquer New Continents in new seasons! MMORPG full of logically interconnected worked out little things that create a unique immersion and the spirit of adventure!

Stash is an MMO with turn based grid combat, custom housing, a tabletop art style, and more loot than you can fit in a portable hole. Stash has the charm of a pen-and-paper gaming group with the gameplay of a deep, interesting, unique RPG. Join our friendly community!