FOSS gamedev and creative worlds

Since Undertale become so famous, many people here maybe would like to see a mod, or a subgame of Minetest about this videogame...

The idea is that the subgame have two modes , one with the default map (that includes the story) and other with a random map, with a mapgen that can create similar biomes to the areas of the game...

Maybe the fighting system can be similar...

What you think, in really is something random, so i don't know if it's a good idea...

Manglethefoxy, one of my friends will problably want this, she's been asking me to make a Sans mob but that would require him throwing bones.