Reiner Knizia
Keltis HD Review (iPad)
Keltis HD is a fine app for the iPad, combining simplicity and strategic thinking in a quick game, which successfully simulates the renowned tabletop board game.
Keltis
Keltis is a multi-player game based on Lost Cities, with some rules changes, later published with Knizia's original rules and theme as Lost Cities: The Board Game.