: In some regions, the game was released under the title Layer Section II . Technical & Modern Availability

: Hidden in the game's disc image is a padding file (ZZZZZZZZ.ZZZ) containing strange repeated text about "harsh rain" and mathematical equations (

: For fans of the ship designs, Kotobukiya has released high-quality model kits of the R-GRAY 1 and R-GRAY 2. Classic Game Room - RAYSTORM review for PlayStation

: Players can use a standard shot for frontal enemies or a lock-on system to target multiple enemies simultaneously—including those on different planes of depth. Playable Ships : R-GRAY 1 : Features a wide spread shot and 8 lock-on lasers.

: The game is included in the Ray'z Arcade Chronology and Taito Milestones collections, which feature auto-save and save-state functions.

: The "Extra Mode" ending is notoriously bleak, stating that both Earth and Secilia have vanished after the final conflict, with no record of the R-GRAY craft ever returning.