Meet the Tetris MicroCard: a Tetris game that fits in your wallet and keeps you entertained when you need a break. It is powered by Arduboy and takes as much space as a credit card. It has an OLED display in a portrait layout that provides you with enough space to play the game conveniently. You get 6 buttons and a speaker, with mute option. The battery life lasts up to 6 hours.
The Tetris MicroCard has a durable design and lets you play a game anywhere. You can pre-order yours here.