Try it. It might work in your pc. It is made with a techinique that I developed that makes the fluid simulation a lot easier to handle on a weak pc.
https://joseluispcr.itch.io/lava-fluid-simulation-game-in-real-time


Is just a proof of concept, it doesn't have a full game, is just to walk in the room with lava. I need to know if runs in others pcs, as it does in mine.