Firefly Online

It was being developed by Spark Plug Games and Quantum Mechanix for Microsoft Windows, macOS, iOS, and Android.

[4] Players would have been able to customize their ships while playing,[3][5] and view "in-universe guides" around planets to gain information before deciding whether to land on them.

[7] Fox gave their blessing to the game,[7] but the studio ceased development following the announcement of an official release based on the Firefly franchise.

[4] The development team was planning to add future downloadable content which might have included the ability to switch to the Alliance faction,[4] involved the inclusion of "Reavers",[4] and was aiming to incorporate cross-platform functionality.

[16] John O'Neill, CEO of Spark Plug Games, said that they were having to "change everything" and that they were deliberately not providing development updates to avoid "saying something that’s wrong again.