Blocky zombie survival sim Unturned releases its source code so players can build a 'lasting legacy' for the game 'regardless of the changes we make'

A survivor hides behind a crate as he prepares to demolish a log cabin in Unturned.

Smartly Dressed Games, developer of the wildly popular free-to-play zombie survival sim Unturned, has released the game's source code for non-commercial use.

"Unturned's source code and project files are now freely available!" the developers wrote in a Steam post. "Whether you have a new feature or total conversion in mind, the sky's the limit."