Alternatives to Explorium for all platforms with any license

Minecraft

Create and explore infinite 3D voxel worlds in the definitive sandbox mining and crafting game.

Commercial $ $ $ Mac Windows Linux Windows Mobile Android ... iPhone Android Tablet BSD Windows Phone iPad Oculus Experiences Kindle Fire FreeBSD Playstation Fire TV Nintendo Switch Xbox NetBSD Oculus Rift OpenBSD
Moddable Blocks First Person Shooter (FPS) Multiplayer ... Single player Community based Exploration Kid friendly PvP Survival Text Mode web browser Add a feature

791 Like
Minetest

Minetest is a near-infinite-world block sandbox game and a game engine, inspired by InfiniMiner, Minecraft, and the like.

Free Open Source Mac Windows Linux Android Android Tablet ... BSD
Multiplayer Games support modding out of the box Lua mods Moddable ... Community based Exploration FOSS Multiple languages Add a feature

129 Like
Terraria

Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. The world is your canvas and the ground itself is your paint. The very world...

Commercial $ $ $ Mac Windows Linux Android iPhone ... Chrome OS Android Tablet iPad Kindle Fire Steam GOG.com
Crafting Moddable Exploration Multiplayer ... Open World Procedurally generated Add a feature

172 Like
Roblox

Roblox allows you to create games, build whatever you want with lego-like bricks, play other games made by users of the community, and even participate in the economy by...

Freemium $ $ $ Mac Windows Android iPhone Chrome OS ... Android Tablet Windows Phone iPad HTC Vive Kindle Fire Gear VR Xbox
Free to play 3D modelling Gaming Kid friendly ... Lua scripting Massive Multiplayer Built-in Level Editor Content Filtering Education Endless gameplay Multiplayer Scripting Social media integration User generated 2D and 3D physics Gaming Lego Linux-games-native Mobile friendly Multiple Account support Options trading Paypal integration Sales funnel Add a feature

55 Like
Garry's Mod

Garry's Mod is a Sandbox Game based around the idea of building. Unlike most other games there aren't any objectives - you can't lose and you definitely...

Commercial Mac Windows Steam SteamOS
2D and 3D physics Community based Hi-fi sound No Root Required ... Open World Run file in a Sandbox Add a feature

64 Like
Creativerse

Creativerse is a sandbox adventure game set in a beautiful yet treacherous world shrouded in mystery.

Freemium Mac Windows Wine Steam
Android Sync Modern live chat Photographic filters Sandbox ... Windows XP Compatibility Add a feature

16 Like
Terasology

Terasology (started under the name Blockmania) is an open source project started by Benjamin “begla” Glatzel to research procedural terrain generation and efficient...

Free Open Source Mac Windows Linux
Building blocks Modular System Add a feature

19 Like
Voxelands

The Fun-Focused Free Software Voxel World Game. Voxelands is a sandbox construction game based on Minetest.
- Discontinued
  Official website no longer exists and last commit is from a March 2018. See https://gitlab.com/voxelands/voxelands/commits/next
Free Open Source Mac Windows Linux
Free to play Infinite World Multiplayer Single player ... Survival Windows XP Compatibility Add a feature

18 Like
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King Arthur's Gold

KAG is a game about mining, building castles and destroying your enemies. It is a side-scrolling 2D action multiplayer war game with focus on building, constructing...

Freemium Mac Windows Linux
2D Game Multiplayer Add a feature

42 Like
Mythruna

Mythruna is a game under construction combining extensive world building, crafting, and sandbox elements with just a touch of role-playing. When completed, Mythruna will...
- Discontinued
  The latest version is over 6 years old. See http://mythruna.com/download-now/20120627-release-notes/
Free Mac Windows Linux
No features added Add a feature

18 Like