Riddle Joker — cheap CD keys, compare prices
Is it worth buying?
- Reviews are excellent. (Steam 98%)
- The price is above its low (was €10.00), but within a reasonable range. Notify me on a drop →
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.




About the game
A Japanese visual novel where psychic powers, long dismissed as science fiction, prove real after the discovery of a particle called the Astron. It blends romance with supernatural intrigue through branching dialogue and character storytelling.
Did you know?
The original was crafted by Japanese studio Yuzusoft, with NekoNyan handling the English translation and localization for international release.
Best price today
€11.10
all-time low: official €18.01 · keyshop €10.00 (+11%)
On Steam: €33.99 — you save 67% here
The cheapest Riddle Joker key right now costs €11.10 at Kinguin — the best of 4 compared offers. The lowest price we have recorded for this game: €10.00. The cheapest official store price is €31.26 at Gog. — the best offer is €20.16 (64%) cheaper.
The average low over the past 5 months was €21.12.
Prices as of
Gog Official store
Steam Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Riddle Joker prices by store 4
| Store | Type | Price |
|---|---|---|
| Kinguin | Marketplace | €11.10 |
| G2A | Marketplace | €16.01 |
| Gog | Official store | €31.26 |
| Steam | Official store | €33.99 |
Lowest — official stores
€18.01
Sept 2026
Lowest — keyshops
€10.00
Sept 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €18.01 | €11.10 |
| Sept 2026 | €18.01 | €10.00 |
| Aug 2026 | €29.91 | €38.69 |
| Jul 2026 | €30.49 | €20.60 |
| Jun 2026 | €33.99 | — |
Lowest in-stock price per month from our price history; the current month is the low so far.
How to activate your key
- Steam key — open the Steam client → Games → Activate a Product on Steam → enter the key. Stores with this activation: Kinguin, G2A, Steam
- GOG key — on GOG.com → Redeem a code (or in GOG Galaxy: Add games & friends → Redeem GOG code). Stores with this activation: Gog
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All-time low so far: €10.00
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 7 or newer | — |
| Processor | CPU 1.3GHz or more | CPU 2.66GHz or more |
| Memory | 2 GB RAM | 4 GB RAM |
| DirectX | Version 9.0c | — |
| Storage | 8 GB available space | — |
Similar games
Video reviews
10:49 Riddle Joker | Yuzusoft's Secret Spy Romances!
The August Hail
15:35 Riddle Joker Drama CD Vol.03 - "Even I'm senior, I want to fall in love!" - Shikibe Mayu
Specialist Yuzu
31:11 【STEAM】 Riddle Joker - Prologue 02 (PC)
Nyanco Channel
Reviews are made and published by independent YouTube channels; they load only on click.
About this game — FAQ
Can Riddle Joker be played single-player?
Yes, Riddle Joker is a single-player game.
What languages does Riddle Joker support?
Riddle Joker is available in: English, Japanese, Simplified Chinese, Traditional Chinese.
Does Riddle Joker use Steam Cloud saves?
Yes, Riddle Joker uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Riddle Joker key?
The cheapest Riddle Joker key is currently sold by Kinguin for €11.10. That is the best of 4 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €10.00.
How much does Riddle Joker cost?
Riddle Joker currently costs from €11.10 — the cheapest offer across the stores we track. For comparison, the game costs €33.99 on Steam, so buying a key saves you about 67%.
Is Kinguin an official store or a keyshop?
Kinguin is a keyshop (marketplace) where independent sellers list keys, so prices are often lower than in official stores. Every offer on ulov.gg is clearly labeled with its store type.
Are keys from these stores legal?
Buying is legal — keys come from the grey market, so a small deactivation risk exists. So before paying, check the seller's buyer protection.
Which key region should I pick?
Global activates everywhere. Regional keys (Europe, North America, RU-CIS) only work on accounts from that region — use the Region filter to match your account.
What is an activation platform?
The service where the key activates — Steam, GOG, Epic or the publisher's platform. A key for one platform won't work on another, hence the separate filter.
What's the difference between editions?
Standard is the base game; Deluxe usually adds an expansion or bonus content. The edition filter shows exactly that variant, with no mixed prices.