Games like World Seed on Steam
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New World: Aeternum
Experience a thrilling action RPG set on the supernatural island of Aeternum. Forge your destiny on an adventure filled with danger and opportunity.
Citadel: Forged with Fire
This massive online sandbox RPG features elements of magic, spellcasting, building, exploring and crafting. As a newly minted apprentice of the magic arts, you will set off to the dangerous world of Ignus. Tame mighty beasts, forge alliances, explore uncharted territories or fight for dominance!
Crowntakers
Crowntakers combines turn-based strategy with RPG elements and takes you at the behest of the crown into a medieval fantasy world full of challenging encounters and epic adventures. With its randomly generated world, Crowntakers offers a varied gaming experience every time you set out to fight evil.
Black Desert
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!
UnReal World
The cult classic open-ended wilderness survival roguelike RPG taking place in the ancient North. Throughout the years, UnReal World has been praised for its incredible depth, realism, atmosphere and immersion. Lose yourself in the most intricate, detailed and enchanting iron-age game world.
Warsim: The Realm of Aslona
Warsim is a deep, rich text based kingdom ruling sim unlike anything else, complete with charming ASCII graphics. Navigate the millions of different procedurally generated races, events and areas with a huge emphasis on player choice. Don't let its look fool you, there is depth in every direction.
Shattered Planet
Explore a dangerous planet that's different every time and try to survive! The Galactic Union's job for you is clear: research the alien wildlife -- for science! However, in this case, researching may include lasers, explosions, hungry aliens, space sushi, and other similarly delicious-or-terrifying hazards.
RuneScape ®
RuneScape is a high fantasy open world MMORPG. Explore an ever changing and evolving living world where new challenges, skills, and quests await. Featuring unprecedented player freedom, you choose how to play, adventure, and grow.
stein.world
Stein.world is a real-time MMORPG in a beautiful fantasy world with many common game features from the MMO genre: A big and persistent fantasy world with a lot of variety filled with hundreds of quests and items, dungeons, professions and much more to come.
Villagers and Heroes
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.
The Elder Scrolls® Online
Every legend starts somewhere and in The Elder Scrolls Online, it starts with you. Join millions of players in an online, fantasy RPG set in a vast living Elder Scrolls world.
Rogue
Experience the commercial port of the game that spawned a thousand 'Rogue-likes'. Venture into the Dungeons of Doom in search of the legendary Amulet of Yendor, and hopefully escape with your life! Randomly generated dungeons await you, full of nasty monsters, insidious traps, and glittering loot.
Last Oasis
Nomadic Survival MMO. Build wooden walking machines to travel to new lands. Create clans and fight for territory. Resources deplete fast, so take your sword and scavenge, pirate, and trade to stay alive.
Argentum Online
Argentum Online, a 2D MMORPG, offers epic quests, dungeon delves, and battles in a fantasy world. Emphasizing community, it features alliances, PvP, and a player-driven economy, all within a vibrant open-world setting.
The Lord of the Rings Online™
Join the world’s greatest fellowship of players in the award-winning online re-creation of J. R. R. Tolkien’s legendary Middle-earth.
Onset
Onset is an open world Lua scripting sandbox without predefined goals. Choose from hundreds of Lua functions from our Developer Wiki to create your own scripts and gamemodes. Onset is a perfect starting point for beginners interested in learning how to program.
EVE Online
EVE Online is a free-to-play community driven space MMO where players can choose their own path from countless different options. Experience space exploration, immense PvP and PvE battles, mining, industry and a thriving player economy in an ever-expanding sandbox.
Mimic Logic
"Mimic Logic" is an automatically generated logic puzzle roguelike. Listen to the statements of the treasure chests, find the lying mimics, and open the rest of the treasure chests! Opening a mimic results in a game over.
Pathfinder Adventures
Pathfinder Adventures translates the best-selling Pathfinder Adventure Card Game into an entirely new breed of digital card game, where players adventure collaboratively to battle monsters and villains, and acquire new feats, items, weapons, and allies.
Allods Online
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.
Stoneshard
Stoneshard is a hardcore turn-based RPG about the harsh life of a medieval mercenary: travel with your own caravan, descend into procedurally generated dungeons, learn new skills, survive hunger and injuries - and remember, every mistake can mean death and loss of progress.
Screeps: World
Screeps: World is an open source MMO RTS sandbox game for programming enthusiasts, wherein the core mechanic is programming your units AI. You control your colony by writing JavaScript which operates 24/7 in the single persistent open world filled by other players on par with you.
