It’s a tiny handheld with a 0.91 inch display, four buttons, and one game: a “falling-block puzzle game,” that’s basically Tetris ... was programmed using Arduino tools (the Arduino ...

This Arduino-driven retro floppy disk will remind you and do it for you. Speaking of getting Tetris working on apps where it really shouldn't work, why not play some classic puzzle goodness in Excel?

That's the same formula behind Asterisk, a tiny handheld designed specifically for the "falling-block puzzle game (a Tetris clone ... The system's Arduino source code has also been made available ...