Upcoming Sandbox MMORPGs

A classless open-world PvP MMORPG with gathering, crafting, a player-driven economy and early open-world building. Steam still sells the game, but its Early Access information is stale, so the current development pace is flagged as uncertain.

A massively multiplayer medieval war sandbox where thousands of players build shared settlements, maintain logistics, raid, siege and fight for conquest across a persistent world.

A previously playable classless sandbox MMORPG with housing, crafting, farming and a player economy. Neojac is rebuilding the project in Unreal Engine with a new MMO backend; the rebuilt version is not currently a normal live service.

A Godot-built open-world MMORPG inspired by Lineage 2 and classic sandbox MMOs, with persistent multiplayer, clans, player trading, PvP/karma, towns, raid bosses, fishing and player-sailable pirate ships.

A browser-based dark-fantasy sandbox MMORPG inspired by Shadowbane, centered on political alliances, territorial conquest and open-world PvP. Recent builds added base building, guilds, territory ownership, war declarations, player trading and merchant NPC shops.

An upcoming sandbox MMORPG where live Tomb Masters dynamically change the world and run events, alongside player shops, crafting, sieges, war operations, exploration, raids and opt-in PvP.

CCP's in-development survival MMO set in the wider EVE universe, focused on exploration, mining, building, combat, survival and player-created systems in a living galaxy.

The project formerly known as Fractured Online has been reworked as Fractured: Conquest, a faction-driven warfare sandbox focused on gathering, hauling, crafting, building outposts and fighting over territory.

An open-world dwarven survival MMO combining resource warfare, player economy, building, taming and territorial conquest.

A player-driven sword-and-sorcery sandbox MMORPG with no classes or levels, open building, territorial conquest, taxes and full-loot PvP.

An upcoming social fantasy sandbox MMORPG built around city allegiance, professions, politics, trade, clan warfare and a player-driven economy, with seasonal world resets that create new political and economic starts.

A small indie sci-fi survival sandbox MMORPG about colonizing a hostile alien world. Its playable builds include terraforming, survival systems and downloadable official server software, with Windows as the current platform.

A solo-developed feudal-Japan-inspired sandbox MMORPG with unrestricted village construction, farming, livestock breeding, classless action combat, full-loot PvP and unrestricted item trading. A major visual/technical rebuild has been in progress through 2026.

The current Sigma World project and successor to Sigma World Online. The official Russian site provides a downloadable Foundation build and links to the legacy project; the premium-account system is still marked as under development.

An Unreal Engine 5 PvPvE sandbox MMORPG built around open-world full-loot PvP, skill-based combat, factions, settlements, territory wars and a player-driven economy, with no traditional levels or classes.

An in-development science-fiction sandbox MMO focused on player-shaped planets, terrain manipulation, building, resource simulation, crafting, social systems and persistent worlds.

An upcoming old-school sandbox MMORPG for Windows PC with classless builds, sailing, open dungeons, world bosses, crafting and a player-driven economy where every item is tradeable.