I love the idea of this! It took a second to see the difference in some of the bushes and rocks though, which led to me being a tad confused for a second there. xD I would make the color value's difference a little more dramatic on those. Other then that is was a really fun little puzzle!
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That's true, some visual clarity in terms of colours should be changed in the game. We also thought about applying it to the bigger and smaller fire, so they wouldn't look samey, so definitely something to consider and it is nice to hear that other people think the same :d Thank you very much for the feedback!