itch.io

We unfortunately lost most of the (assembly) code of the game in a tragic HDD accident quickly after releasing the 1.2 version back then.
A Non-official port update for LINUX was made by a fan in the years 2000, that might be still available online.

Yup, there is. But it's been taken down not so long ago by the author himself. The page was: http://narroin.free.fr/dstroy/

But now when you go there, it's redirecting to this page.

You can still check it out at archive.org and retrieve the files from there.