Alternatives to Sky Nations for all platforms with any license

Minecraft

Minecraft is a sandbox game that revolves around using building blocks to create anything you want. At night, monsters come out; make sure to build a shelter before that...

Commercial $ $ $ Mac Windows Linux Android iPhone ... Android Tablet BSD Windows Phone iPad Oculus Experiences Kindle Fire FreeBSD NetBSD OpenBSD
Community based Exploration Kid friendly Moddable ... Multiplayer Single player Text Mode web browser Add a feature

707 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. Inspired by...

Commercial Mac OS X Windows Linux Android iPhone ... Android Tablet iPad Kindle Fire
Crafting Exploration Multiplayer Procedurally generated Add a feature

148 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 Android Tablet ... Windows Phone iPad HTC Vive Kindle Fire Gear VR Xbox
Free to play Multiplayer Scripting Built-in Level Editor ... Kid friendly Mobile friendly Multiple Account support Paypal integration Social media integration Add a feature

37 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 OS X Windows Linux
Modular System Add a feature

17 Like
Voxelands

The Fun-Focused Free Software Voxel World Game. Voxelands is a sandbox construction game based on http://alternativeto .

Free Open Source Mac OS X Windows Linux
Free to play Infinite World Multiplayer Single player Add a feature

16 Like
Creativerse

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

Freemium Mac OS X Windows Steam
Android Sync Windows XP Compatibility Add a feature

12 Like
Epic Inventor

I have said a few times that Epic Inventor was inspired by Terraria. There are obvious similarities you can see right away in the various screenshots I’ve posted....

Free Open Source Mac OS X Windows Linux
Portable Add a feature

9 Like
- Discontinued In October 2013, development stopped the sourcecode is available on Github. In May 2016 developer is thinking about revisit the project
Lamecraft

Minecraft clone for such PlayStation Portable PSP.

Free Open Source PPSSPP RuTracker.org OpenEmu Playstation Emuparadise
No features added Add a feature

1 Like
Brutal Nature

Brutal Nature is a multiplayer 3d survival PC game where everything in the game can be crafted and destroyed. Survive, crafting, building structures.

Freemium Windows Steam
Crafting Add a feature

3 Like
Villa Craft Survival

Villa Craft Survival is a beautiful game with a 3d cube world.Creative and building aspects of the Villa Craft enable players to build constructions out of different...

Free Android Android Tablet
No features added Add a feature

1 Like
StarForge

StarForge is a game about gathering resources, building bases, crafting anything you want, and surviving on an alien planet. Earth's star is dying and humanity...

Commercial Windows
No features added Add a feature

4 Like
- Discontinued The project seems to be no longer updated. Last version, 0.9, released in August 2014, can be still downloded from the official website.
iLands

Build your dream island in a 3D, blocky world! Play with friends in real-time! - Claim your own randomly-generated iLand and customize it to your liking. - Build...

Free Web Android iPhone iPad Facebook
Multiplayer Add a feature

3 Like
FreeCraft

FreeCraft is a free block building adventure game. Build and craft to survive. You are only limited by your imagination. Features: - Completely free! - Gorgeous 3D...

Free Android Android Tablet
No features added Add a feature

2 Like
Deepworld

Deepworld is a massively-multiplayer 2D crafting adventure game. Mine and craft your way through a persistent online universe where there's always something new to...

Freemium Mac OS X Windows iPhone iPad Steam
No features added Add a feature

1 Like
Masterspace

Masterspace is a game about mining, creating and exploring, featuring fully destructible smooth terrain and spaceships that allow you to travel between different...

Commercial Windows Steam
Multiplayer Mix Music Add a feature

2 Like
- Discontinued The official website is no longer available and the game is no longer updated since June 2015. Last version, 4.0, can be still bought by Steam.