Like the concept and the main mechanics are well developed. The way the weight is affecting to the movility and the gas proximity speed up the filter countdown is nice.
I'm not sure if it's a bug, but in the web version I cannot see more than two areas to get sulfur, and at some point after the second one, I see the same message appears in the sulfur rocks to interact, but there wasn't anything.
Also some characters are not rendering correctly, for example, the "/" or other symbols were rendered as "tofu chars".