Room Escape: Cost of Jealousy is a thrilling puzzle game developed by Shenzhen Zhonglian Interactive Technology Co.Ltd. It is a full version game available only on the iPhone platform. The game revolves around the mysterious death of a famous ballet goddess, Kylie, and the player acts as the detective to solve the murder mystery.

The game is designed to challenge the player's puzzle-solving skills through a series of progressively difficult levels. Each level is filled with multiple layers of puzzles that need to be solved one by one. The game also includes small games that add to the overall experience.

What sets Room Escape: Cost of Jealousy apart is its humanized custom cheats feature that provides small tips during key moments, allowing players to smoothly progress through the levels. Overall, Room Escape: Cost of Jealousy is a classic puzzle masterpiece that puzzle game lovers must not miss.