The new update for Quest is now available, as Little Cities sets boundaries in the sandbox. - UploadVR

Little Cities Draws A Line In The Sandbox, New Update Out Now On Quest

Little Cities has released a new sandbox update that allows players to sculpt their own islands using a landscape editor. This update also includes new attractions, foliage, and types of little citizens. The developer, Purple Yonder, stated that the sandbox mode was a highly requested feature by the Little Cities community. Little Cities is available on the Meta Quest platform for $19.99, and a Pico version is also available, although DLC and post-launch updates are not currently supported on the Pico version. For more information, read the full story on UploadVR.

Source: https://www.uploadvr.com/little-cities-sandbox-update-quest-release/