onder Dog is a platform game developed by JVC and released for the Sega CD console in 1992. The game follows the story of Johnny, a boy who is transported to a magical world by a talking dog named Wonder Dog. Johnny is tasked by the dog to save the kingdom of Screamania from the evil Queen Vorka. The game takes place across various themed levels, such as a haunted castle, an underwater cave, and a toy factory. Throughout the game, the player controls Johnny, who has the ability to transform into different forms with special abilities. For example, he can transform into a flying car, a submarine, or a robot with extendable arms. The goal of the game is to collect keys to open doors to the next level, defeat bosses in each level, and collect items to increase Johnny's health and time. The game also features an animated soundtrack and colorful graphics typical of games from the era. Overall, Wonder Dog is a fun and exciting game that offers a unique and challenging gameplay experience for fans of platform games.

Wonder Dog
Sega CD · 1993 · NTSC-U · Platform
Activity feed builds as the eBay snapshot history accumulates and comp data flows in. First events surface within hours of a fresh cache cycle; full velocity within seven days.
Live listings
Active tier · Sealed. Aggregated from eBay US. Refreshes every 6 hours.
What it's actually worth
The three-tier spread, verified comparable sales, and where this title sits inside its cohort. Live snapshot lives above in Pulse; this is the time-and-context layer.
The same game at three prices — Loose, CIB, and Sealed on one ruler. The scale is logarithmic: each gridline step is 10×, so the distance between bars shows the size of the jump between tiers.
No verified comparable sales in window. Real comp data integration (Heritage / Goldin / eBay Insights) ships V15.22+.
No verified comparable sales in window. Real comp data integration (Heritage / Goldin / eBay Insights) ships V15.22+.
No verified comparable sales in window. Real comp data integration (Heritage / Goldin / eBay Insights) ships V15.22+.
Why collectors care
The cultural context, the production lineage, the place this artifact holds in its console's history.
- First print documented
- No
- UPC
- 009119920520
- Release date
- 1992-11-01
Is what you're holding real
Documented variants, identifying marks, and the print-vs-reprint discriminator. Pick a variant to focus the walkthrough; the Companion can talk you through your own copy.
Production reference
No production variants are documented for this title yet. The identifying marks below cover the title's first-print and reprint signals across all tiers.
Production reference
No production variants documented for this title yet. Identification reads against the title's known print signals across all tiers.
No documented marks for this tier yet.
No documented marks for this tier yet.
No documented marks for this tier yet.
Spotted a variant we missed, a print signal we overlooked, or an authentication trap collectors should know about? Contributing a photo or correction earns points toward store credit.
How contributions work→Where else this lives
Five cuts of what surrounds this title — switch the axis to drill into the same-console catalog, the series, the era, the publisher, or ask the Companion for a personal recommendation.

















