For decades, superpowers and psychic abilities were thought to be mere science fiction, but the discovery of a certain particle called the "Astron" at the end of the 20th century proved to the world that these wondrous phenomena were real.
Live now
81
24h peak
81
All-time peak
81
SteamScope Score
56.0
Discovery
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About
Store description and overview from Steam.
Player intelligence
Current activity, peaks, and momentum windows calculated from tracked player metrics.
7 day change
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90 day change
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365 day change
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Concurrent Steam players over time, aggregated per selected range from stored metrics.
Steam reviews
Community sentiment and review volume tracked from the Steam store.
Total reviews
523
Positive
508
Negative
15
Score
97%Overwhelmingly Positive
SteamScope Score
How this title ranks for live activity, momentum, and long-term player retention on Steam.
Steady engagement
Weighted index from live players, growth, retention, and catalogue age
Popularity
Live concurrent player volume
32
Growth
Recent player trend momentum
50
Retention
Peak-to-current player ratio
100
Longevity
Catalogue age and sustained interest
65
24 hour change
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7 day change
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30 day change
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Guide
Riddle Joker is tracked on SteamScope with live Steam concurrent player data, historical charts, and a SteamScope activity score of 56/100. Search for "Riddle Joker player count" or "Riddle Joker steam charts" to monitor how many people are playing right now and how activity compares with past peaks.
Riddle Joker is developed by YUZUSOFT, published by NekoNyan Ltd., released 18 Dec 2020, a Adventure, Casual title. Available on Windows.
Riddle Joker currently reports 81 concurrent Steam players with a 24-hour peak of 81 and an all-time peak of 81.
Among tracked Steam titles, Riddle Joker ranks #3760 of 10,837 by momentum score.
Riddle Joker has lost momentum recently. Retention sits at 100/100, suggesting fewer players relative to its all-time peak of 81.
Riddle Joker has 21 Steam achievements tracked on SteamScope.
The average global unlock rate across all achievements is 45%, giving a baseline for overall completion difficulty.
The most common achievement is "What exactly is the riddle supposed to be?" with a 84.2% unlock rate.
The rarest achievement is "Whoooooaaa! Looking good, Joker!" — only 22.2% of players have unlocked it (Medium).
FAQ
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Explore
Browse screenshots, patches, requirements, and more without scrolling through everything at once.
Steam Features
Official Steam store feature flags from the Steam API.
Handheld Gaming
Official Steam Deck verification status and test notes from the Steam store.
Last checked Aug 3, 2026
Store Details
Steam achievements: 21
Regional ratings
©YUZUSOFT / JUNOS / NekoNyan / HIKARI FIELD
Media
Riddle Joker Opening Movie
Updates
System requirements
Minimum and recommended specs from the Steam store listing.
Minimum
Recommended
Languages
Content rating
Store options
Riddle Joker - 33,99€
Tracked Steam store price snapshots over time.
Riddle Joker is currently €33.99 on Steam. The lowest tracked store price is €33.99 (recorded Aug 3, 2026).
Track store-wide deals on the Steam sales, historical low prices, and recent price drops pages. Browse games under $10, free Steam games, or budget picks under $5.
How this game's Steam Charts position has changed over time.
How Steam review score and volume have changed over time.
Riddle Joker has 97% Steam reviews across 523 user reviews. Steam labels this as "Overwhelmingly Positive".
Intelligence
Patch notes, discounts, and player spikes surfaced from stored Steam metrics.
Large concurrent player increase in stored metrics.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Achievements
This game
45% avg unlock
40 peer games
19.8% median
Comparison
Easier than peers
Achievements
21 standard · Updated 8h ago
45%
average global unlock
Most Common
What exactly is the riddle supposed to be?
84.2% unlock rate
Rarest Achievement
Whoooooaaa! Looking good, Joker!
22.2% unlock rate
acv01
84.2%
global unlock
Start a new game
acv12
66.8%
global unlock
Nanami hanging onto the rope
acv14
63.3%
global unlock
Have a serious discussion about a certain topic with Ayase
acv15
61.8%
global unlock
Hazuki is getting hit as an innocent bystander
acv16
55.1%
global unlock
Listen to Ayase talking about cats
acv04
49.0%
global unlock
Start Nanami's Route
acv02
46.4%
global unlock
Start Ayase's Route
acv17
44.2%
global unlock
Ayase losing playing cards
acv06
42.4%
global unlock
Start Mayu's Route
acv08
41.8%
global unlock
Start Hazuki's Route
acv05
40.8%
global unlock
Clear Nanami's Route
acv18
40.0%
global unlock
Aren't you curious about Mayu's browser history?
acv19
39.1%
global unlock
Watch Hazuki's "performance"
acv13
38.8%
global unlock
Save Hazuki from harm
acv03
38.6%
global unlock
Clear Ayase's Route
acv07
36.0%
global unlock
Clear Mayu's Route
acv09
35.1%
global unlock
Clear Hazuki's Route
acv20
31.9%
global unlock
Just a normal ending
acv10
31.4%
global unlock
Start Chisaki's Route
acv11
29.1%
global unlock
Clear Chisaki's Route
acvall
22.2%
global unlock
Clear all Achievements
