This is [Dan’s] shiny example of Hunt the Wumpus. He used Adafruit’s RGB LCD shield for Arduino. It’s got a character LCD and five buttons. But you can easily breadboard this yourself using ...

The ‘under’ in Undershield comes from this shield being mounted underneath the Arduino, unlike every other shield on the planet. Doing so allows use of a standard 0.100″-spaced prototype PCB ...