Alien Invasion

Christmas night, 2032. An alien attack has silenced every signal, screen and voice in London, and the last survivors are hiding underground. Join Alex and Robin when their old radio picks up a mysterious signal, and help them crack its codes: letters, numbers, musical tones and even Morse code. Signal Decoders is a radio play in five chapters, and if a puzzle stumps you, you'll get a hint.

How to play Alien Invasion

Just say “Alexa, ask Mini Games to play Alien Invasion”