Glad you enjoyed it, the game is very non-linear, you can beat it without exploring half the dungeon, but the more you do, the easier things become, the ruby door does take a lot of exploring to unlock though, so well done ^^
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i found playing it really intuitive, I only died a few times and that was for really silly things that I leart from and didnt make the same mistale again.
Your game did a great job of teaching the player to only fail when it can't be helped. Plus counting the number of torches you light felt like a great way to track progress.