If you are looking to download the game itself, please note that the full version is a paid product, though free demos are available:
: For those interested in how logic puzzles are structured, Player-Game Interaction and Cognitive Gameplay provides a framework for analyzing the "core mechanics" of puzzle-heavy titles like Memorrha. Memorrha Free Download
: If you are researching the development side, the doctoral thesis Cognitive Architecture for Serious Games discusses the integration of cognitive systems into game engines. Official Download & Trial Options If you are looking to download the game