I was surprised to find so much content after the end credits. :) So, I entered the "lair" by the ice lake and completed all the puzzles therein (tricky puzzle solution with the pause button!) , after which I was summarily dumped back on the island. Now what? All the areas seem to be completed except one: the fenced-off between the old fort and the lighthouse. Actually, there is also the place behind the mountain where you find the note and what seems to be a mangled stone gate, but I have a feeling the...

Can i invert the mouse y-axis?

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Can someone tell me how I am supposed to figure out which of the three colorful fires to bring to the other "fireplaces"? This is on one of the floating islands.

So I just opened the pink gate, I'm at the third door, the pink door, which puts you back near the mountain with the light. There's a castle on an island where you move one of the candlesticks inside and the gate that guards a blue door opens. The blue door doesn't look locked, and I can't find a key anywhere, but that door doesn't open. Please help ? Am I missing something?...