Thanks for such a detailed response! I will definitely take into consideration the suggestions you mentioned. I myself began noticing the flaw in game design where in sometimes you couldn't see spikes and would die instantly. I'm considering adding a bit of a red glow to them that becomes stronger when you become closer so that perhaps you have time to react. A new death system would most likely be of benefit as well. As for the darkness, it's a feature I've been debating with myself for a while, so I'll think about it a bit more. And as for the jump glitch, will definitely check that out. Thanks for playing Spark!