Oya: Alzheimer Games Match is a free Android game developed by Akin ILKYAZ. It is a simplified version of the matching game that is suitable for individuals with Alzheimer's and weak short-term memory. By keeping the short-term memory active, this game helps to slow down the progression of the disease. The game has no menus or settings, making it easy to use without any help. The objective is to match the pairs of the same cards on the board. Green indicates a correct match, while red indicates an incorrect match. The game level is completed by matching all the cards on the board. There are between one and fifty levels, and the degree of difficulty ranges from very simple to complexYou can adjust the difficulty level by pressing the left or right arrow key. The scoreboard shows the game level (L), the total number of played games (TPG), and the total number of errors (TE). The game is quiet and doesn't disturb others. There are no in-app purchases, no ads, and it's completely free.