Puzzles

I've collected these puzzles over the years. For most of them I do not know their original source.

• Blue Eyes
• Crossing a Bridge in the Dark
• Game Show: Three Doors, One Treasure.
• Guess 1, 2, or 3
• Infinite Hotel
• One Lies, One Tells the Truth
• Pirates Sharing Treasure
• Shaking Hands at a Party
• Ten Piles of Coins
• The Devil's Gate
• The Farmer With a Goat, a Cabbage, and a Wolf
• The Mirrored Clock
• Three Boxes with Incorrect Labels
• Three Hats
• Three Pearls in Three Lockers
• Three Switches
• Weighing Stone Balls