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Hmm. I feel like a room people are getting stuck on it the switches and spikes. 

The switches is more just a lack of telling the player when things are good to go. Meaning you need to toggle each switch once and then the pressure plates. Once everything is in the on position the doors open. But i don't make it very clear when things are in the correct position.

As for the spikes. SPOILER - Its that a spike that just went up will never go up in the next round.  So you sort of just have to keep moving.