| Feature | Physical Freezer Puzzle | Alexa Voice Puzzle | |--------------------------|----------------------------------|----------------------------------| | Clue medium | Written/frost on glass | Audio animal sounds | | Code entry | Keypad | Spoken digits to Alexa | | Error feedback | Beep / red light | “That’s not the code” | | Memory aid | Write down sequence | Must remember or replay (repeat “listen” command) |
You need to count the number of "holes" or enclosed spaces in a specific set of letters or words presented in the game.