That sounds deliciously tactile, like a puzzle that whispers in your fingertips. Imagine a board where each grain of wood, the slickness of glass, the roughness of stone is a key. When the player runs their hand over the right spot, a subtle vibration or a faint scent releases a clue. It’s a secret layer that only the truly curious can feel, and the best part is that the surface itself becomes part of the challenge, not just a backdrop. I love the idea—let’s start sketching a prototype that feels as mysterious as it looks.