Possible Clues:

• Brainteaser
• Riddle cracked in game
• Poser in game that's fixed
• Real baffler
• Complete baffler
• It's a mystery how I get mange
• Hemingway ignores why this is hard to fathom
• Just imagine what you could make 8 down do if I were there for a second
• It's something of a mystery
• Something of a mystery