Math Blaster: Episode 2 — Secret of the Lost City is an adventure with educational game and puzzle elements from the developers of Davidson & Associates, Inc. The game is published by Levande Böcker i Norden AB. Sometimes the game is also called Matteraketen: Den försvunna staden, Mathe Blaster II: Das Geheimnis der verlassenen Stadt and Mates Blaster 2: El Secreto de la Ciudad Perdida.