THE ILLUSION: CURSE is a psychological adventure game developed by Raven Games. The game is available on Windows and falls under the Adventure subcategory of Games. The player takes on the role of Martin, who is trapped in a cursed mansion filled with ghosts, evil forces, and intricate puzzles.

The game consists of twenty-four main rooms, and the player must solve puzzles in each room to get a key that will allow them to enter the next room. However, between the rooms, the player must navigate through a loop, a maze, and a time room. The game is full of illusions and strange events that create a spooky atmosphere, making it a thrilling adventure.

The player will face Moria the moonlight, who will punish the player for every wrong decision. To escape, the player must pass a psychological and mental exam to be adopted into the mysterious cult or be forgotten in the world of illusions. The game challenges the player's ability to solve puzzles and make the right decisions, making it a unique adventure game that keeps the player engaged throughout.