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It certainly looks the part for sure, one would have to be insane to argue against that. It is definitely the solid basis for what could be a great game. I was trying to think what the gameplay reminded me of, and a few weeks later I've realised it was this:

The toxic liquid is constantly chasing the player, and one misstep can end the player's life, even if they are high up, but there again "high" is relative as the current level of the toxic liquid chasing the player is constantly rising. I think, with attention paid to core gameplay balancing, this could definitely become a classic.