Castle Explorer is an educational video game by DK Multimedia, released in 1996 for Windows and Macintosh.

[1] It allows players to discover the inner workings of a castle structure within a Medieval context.

[2] It is based upon the Incredible Cross-Sections: Castle book by illustrator Stephen Biesty and author Richard Platt.

The player is a page who is given the task of being a spy to enter the castle and gather information for the king.

[3] GeekOut UK thought it "wove RP and intrigue into the educational content".