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by thijson
412 days ago
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The ones I remember had a red tinted window that would reveal the hidden word. If you tried to photocopy it using a black and white photocopier the words wouldn't be visible anymore. Now in hindsight, I guess you could have photocopied the whole wheel with some red mylar on top of it. I remember removing the copy protection from space quest. There was a later check that checksumed the copy protection code. That complicated the crack. |
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