CISRA Puzzle Competition 2008 - Hints

This is the archive of the 2008 Puzzle Competition. Please visit the current competition site for information about the latest Puzzle Competition.

A.4 Maze

• Each key only unlocks one door with the same shape.
• Each object is collected once as soon as it is possible to do so.
• Runestones and rings both start with 'R'. What does everything else start with?