Abnormal1999:SU - Unlocking the 4th Dimension

Story Background: During its voyage, the submarine suddenly experienced a mechanical failure. Dr. Pierre hurriedly began investigating, only to find abnormal intrusions in every area. Investigate cases in the azure abyss, and follow Dr. Pierre to uncover the secrets of the Nautilus. Immerse yourself in the eerie atmosphere of the Nautilus, filled with secrets and unsettling anomalies. Experience 2.5D deduction + puzzle gameplay, combine your observation skills to solve problems and navigate thro...