Kether is a space adventure puzzle-solving video game released in 1993 for the Philips CD-i platform. It combines elements of exploration and puzzle-based gameplay in a first-person perspective. Set in a distant future where the player must navigate through the different planes of an ethereal universe to restore harmony, the game includes a variety of mini-games and puzzles that players must solve to progress. Its futuristic setting and unique challenges made it an interesting addition to the CD-i game library, appealing to fans of both adventure games and puzzle solvers.