freedoom no work with doomsday

[Metal_Sonic]

as the title says i cat get freedoom to work with doomsday :(

[DooMBoy]

That's because Freedoom is Boom only (it also works with Boom supporting ports such as ZDoom or Skulltag).
There is a version of Doomsday that supports all of Boom's stuff called Boomsday.

[NiGHTMARE]

Boomsday was superseded by Risen3D a while back ;)