Syd of Valis
Syd of Valis — frequently asked questions
- What platforms is Syd of Valis on?
- Syd of Valis was released on Sega Mega Drive/Genesis.
- When did Syd of Valis release?
- Syd of Valis was first released on February 14, 1992.
About Syd of Valis
Yuko Ahso looks like an ordinary grammar school student, but she is actually the Valis Warrior. "I defeated King Rogles of the Dark World with the Valis sword which was given to me by Queen Valia, but my friend Reiko died in the process" Yuko went home by train after that terrible fight. She didn’t have the slightest idea that she would be summoned to fight again. "Yuko..." said a familiar voice. “Reiko," said Yuko, "is that you? But I thought you..." Reiko quickly admonished, “Go and see Queen Valia, Yuko. Emperor Megas has threatened Dream World and our friend Vecanti. When Yuko was told of Vecanti’s great danger, a burning desire moved Yuko to action. She has risen to crush Megas’ ambition!
Summary via IGDB.
Game details
- Developer
- I.S.C.
- Publisher
- Shin-Nihon Laser Soft Co., Ltd.
- Game modes
- Single player
- Themes
- Action
Details via IGDB.
Every version compared
Prices, contemporary reception and the studio credited for each release
| Platform | Year | Loose | Complete | Sealed | Fake risk |
|---|---|---|---|---|---|
| Sega Genesis | 1992 | $37 | $100 | $100 | Low |
Also released on: Sega Mega Drive/Genesis. We haven’t priced or authenticated that version yet.
Collector value & authenticity
Sega Genesis · PriceCharting sold data · Verified 2026-10-29
Other releases and variants
| Release | Loose | Complete | Sealed |
|---|---|---|---|
| Japanese release (SD Valis) | $35 | $116 | — |
How often it sells
- Loose: about once a month
- Complete: about once a month
- Sealed: about once a year
Prices marked “few sales” rest on about one recorded sale a year, so treat them as a rough guide: the next copy could sell well above or below. Expect to wait for one to come up.
Sales frequency from PriceCharting's completed-sale records, as of 2026-10-29.
Price over time
- Loose
- Complete
A loose copy sold for about $12.44 in Oct 2007, $35 five years ago, and $40 as of Oct 2026.
Show as table
| Month | Loose | Complete |
|---|---|---|
| Jan 2008 | $8.97 | — |
| Jan 2009 | $4.11 | — |
| Jan 2010 | $4.11 | — |
| Jan 2011 | $5.00 | — |
| Jan 2012 | $11.99 | — |
| Jan 2013 | $8.00 | — |
| Jan 2014 | $13.33 | $30 |
| Jan 2015 | $14.40 | $30 |
| Jan 2016 | $17.97 | $47 |
| Jan 2017 | $31 | $100 |
| Jan 2018 | $25 | $73 |
| Jan 2019 | $19.69 | $55 |
| Jan 2020 | $28 | $70 |
| Jan 2021 | $36 | $84 |
| Jan 2022 | $39 | $134 |
| Jan 2023 | $45 | $196 |
| Jan 2024 | $33 | $90 |
| Jan 2025 | $37 | $70 |
| Jan 2026 | $42 | $76 |
| Oct 2026 | $40 | $95 |
Monthly price estimates from PriceCharting's completed-sale records, sampled quarterly, through Oct 2026.
Release record
| Territory | Date | Product number | Barcode |
|---|---|---|---|
| North America | 1992 | — | 720238101200 |
| Japan | 14 February 1992 | T-49103 | — |
- Region
- JP+NA
- Released
- 1992
- Authenticity
- Low
A cute super-deformed Valis remake that the press did not like, priced above the middle.
Syd of Valis is a super-deformed remake of the second Valis game, first released in Japan as SD Valis on 14 February 1992. Imaginative System Create (I.S.C.) developed it, and in North America Renovation Products published it in 1992. It combines elements of the PC Engine CD-ROM² original and the home computer versions, and lets you select power-ups and costumes.
The gaming press received it poorly. A European release was planned by Ubi Soft but never happened.
Before you buy
Among US carts it sits well above the middle. The Japanese loose cart usually costs about the same as the US one, while a complete Japanese copy usually costs more. The Japanese cart has a different cartridge shape from a Western cart.
Syd of Valis screenshots
Watch on YouTube
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