Maybe not perfect, but you can play it via the SWF, above. On desktop, you can use Adobe's last standalone Flash player (v32) to run it, available at the Internet Archive. On mobile, there should be various apps to run SWF's. If you have trouble surviving the game itself, there's a guide here:
https://www.reddit.com/r/JohnnyEnzyme/comments/r7wz0x/notes_on_asterius_a_lovely...