Debut 21

Debut 21 is a futuristic spinoff/spiritual successor to Tanjō: Debut ; as with that game, the player is tasked with raising an idol as they become popular and managing their stats, but the twist here is that the game is set in the year 2020, and the idol you are tasked with managing is an android, named Ai Kanzaki.

The player is tasked with guiding her through an entire in-game year, raising her stats and keeping her stress level within reasonable limits.

The original PlayStation (1994) brought CD-based gaming and 3D graphics to the mainstream, ending Nintendo's console dominance of the previous two generations. It's now firmly in "retro collecting" territory: original jewel cases with intact manuals command a real premium over disc-only copies, and several RPGs from its later years (when Sony deliberately courted the genre) are among the most expensive commonly-collected games from the era.

Gamevaro tracks Debut 21 for PlayStation with separate market values for loose, complete-in-box (CIB) and factory-sealed copies, sourced from real eBay sales. Prices also vary by region — PAL, NTSC-U and NTSC-J releases of the same game often sell for different amounts due to print run sizes and regional collector demand.

Adding Debut 21 to a Gamevaro collection takes seconds — search by title or scan the box barcode, and the app fills in cover art, release details and current pricing automatically. This PS1 release dates back to 1998.

Market insights

Debut 21 has a steady sales history on the tracked marketplaces, meaning enough copies circulate to establish a reliable market price.

Complete-in-box (CIB) copies typically command a premium over loose cartridges/discs because the original box and manual are more fragile and get discarded or damaged over time — fewer complete sets survive.

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