Just in case anyone else is interested, I'll share what I found. By adjusting the first 4 dip switches on "Dip C," you can choose which level to start the game at:
Level 1 – The Haunted Graveyard (sometimes known as the Executioner's Graveyard)
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The Evil Hill.
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Level 2 – Village of Decay
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The Village on Fire.
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Level 3 – Baron Rankle's Tower
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The Horrible Faced Mountains.
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Level 4 – The Crystal Cave
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The Icy Descent.
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Level 5 – Lucifer's Castle Part 1
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Lucifer's Castle Part 2.
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Level 6 – Lucifer's Chamber.
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