Games that involve planning or building and managing cities.

Cubelands is a singleplayer and online multiplayer building game for Mac and Windows.

FortressCraft is a creation and destruction multiplayer game for the Xbox.

Lego Universe is a subscription-based massively multiplayer online building game for children. The game was released on October 26, 2010. Client software is available for Windows and Mac.

Minecraft is a single- and multi-player construction game that involves players creating and destroying various types of blocks in a 3D environment. Implemented game modes include creative, in which players cannot die, and survival, which includes hostile mobs and allows for PvP.

The game can be played in web browser or with a downloadable client. The game server software is also available for download.

Minecraft Classic, the original version, can be downloaded for free or played in a web browser. The current and only updated version of Minecraft requires a paid account to download, update and play.

Roblox is a free massively multiplayer online building game designed for children aged 10 and over. Software is available for Windows and Mac.