Defold is a completely free to use game engine for development of console, desktop, mobile and web games. There are no up-front costs, no licensing fees and no royalties. The source code is made available on GitHub with a developer-friendly license.

Defold is used by a growing number of developers to create commercial hits as well as games for game jams. Defold is known for its ease of use and it is praised for its technical documentation and friendly community.