The availability of via CODEX served as a gateway for the PC gaming community to discover a masterpiece of storytelling. Whether one plays a purchased copy or a scene release, the experience remains the same: a harrowing, mind-bending journey through timelines that leaves a lasting impression on anyone brave enough to open Door 9.

: Menus and button prompts are tailored for specific systems, including keyboard/mouse support for the PC version.

Choices lead to multiple endings, ranging from "Bad" endings to the "True" ending that unveils the overarching mystery.

This collection offers a blend of psychological thriller storytelling and mind-bending puzzles. Players take on the role of protagonists abducted by a mysterious figure named Zero and forced to participate in the "Nonary Game," a life-or-death contest where participants must solve room-based puzzles to escape. Nine Hours, Nine Persons, Nine Doors (999)

Do not search for "Zero Escape The Nonary Games-CODEX" on torrent sites. These files are unmonitored. Hackers frequently inject malware into repacks claiming to be "CODEX." The game frequently goes on sale for $10–$15 on Steam and GOG. Pay the developers.