https://chronicles-roleplay.games/
Medieval Sandbox Game - Chronicles of Middle Ages | Free Online RPG
Play Chronicles of Middle Ages - a free medieval sandbox game featuring role-playing, strategy, kingdom building, and community-driven gameplay set in Medieval...
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https://www.playcubio.com/
Cubio – Sandbox Game Platform for No-Code, Real-Time Creation
Cubio – a creator-friendly sandbox platform with no-code, real-time building and collaborative creation. Start building your world today!
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https://brickbit.net/
Free Online Sandbox Game Platform | Build, Create & Play - BrickBit
BrickBit is a free online sandbox game where you can build your own worlds, customize your avatar, create multiplayer games, and play with friends. Join...
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https://www.sandboxgamemaker.com/
Sandbox Game Maker by Platinum Arts
Sep 15, 2025 - Sandbox Game Maker by Platinum Arts is a free open source easy to use standalone 3D Game Maker and 3D Game Design program.
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https://gmod.facepunch.com/
Garry's Mod — The physics sandbox game
A physics based sandbox game built on a modified version of Valve’s Source Engine
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