Red Chat Ritual – TSUMIMI TIME is a psychological horror adventure game that invites players to intervene in a streamer’s live broadcasts to uncover the mystery of a missing person. Set across a 15-day timeline, players alternate between investigating clues during the day and engaging with Tsumimi's livestream at night. The game emphasizes player choice, as comments, Mega Chats, and gifts can influence the narrative and lead to multiple endings based on the decisions made throughout the gameplay.

The experience is enriched by a combination of social media exploration and in-game interactions, where players must connect various clues to piece together the truth behind Mashiro's disappearance. The game provides essential controls for investigation and deduction, allowing players to save their progress and fast-forward through streams. With its immersive audio design and compelling storyline, Red Chat Ritual offers a unique blend of horror and detective work that challenges players to think critically and act strategically.