The Sea-Demon

The Sea-Demon is a story-focused text adventure about investigating a six-year-old unsolved sea-monster case on Octopus Island. Invited by the island’s owner, you join four other mystery enthusiasts to form a detective team. You have 24 hours to investigate and each submit an answer, but the case grows more confusing as events take an unexpected turn. Seven proposed solutions are presented as the group searches for the truth.

The investigators

The Mabo Tofu Detective Team consists of Spicy Detective Wu Ya, Locked-Room Detective Shangguan Qian'er, Otaku Detective Zhu Liye, Muscle Detective Li Lisi and Invisible Detective Xiao Ying. The island’s staff include Captain Huang Lian, Butler Chang Anyi and Chef Gamma.

Investigate the case

You help the detectives gather evidence around the island, then choose suitable evidence as they work through their deductions. The game includes a small amount of interactive gameplay, and staying alive is also important.

Story and setting

The game contains about 210,000 Chinese characters and takes an estimated 6–8 hours to complete. It shares a setting with Seven-Person Killing Array and Six-Rank Puzzle, and its story and characters connect to those earlier games. It can be played on its own without prior knowledge of them.