# Riddle Joker Summer DB entity ID: 101b8507\-0c87\-484c\-9376\-626320644365 Steam App ID: 1277930 Riddle Joker is a Japanese\-style visual novel produced by Yuzusoft, a Japanese developer of romance VNs\. The game won numerous awards on the year of its release in Japan for its art, music, and characters\. Story: 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\. Nowadays, these abilities have been dubbed "astral abilities," with those who can wield them being knows as "Astrals\." Arihara Satoru is but an ordinary person living in this futuristic world\. However, beneath that guise, he's actually a secret agent working for an organization that uses Astrals\. One day, he receives a new mission: Pose as a student and infiltrate a famous academy for Astrals\. After successfully transferring into the academy together with his sister Arihara Nanami, he settles into his new life there, meeting new friends like his classmates Mitsukasa Ayase and Nijouin Hazuki, and his upperclassman Shikibe Mayu, among others\. Until an unfortunate accident leads to Mitsukasa Ayase finding out his true identity\! And in that situation, he also learns that she has her own big secret\.\.\. CHARACTERS ## Game information - Type: game - Developer: YUZUSOFT - Publisher: NekoNyan Ltd\., HIKARI FIELD - Release date: Dec 18, 2020 - Coming soon: false - Free to play: false - Parent Steam app: Not collected - Genres: Adventure, Casual - Categories: Single\-player, Steam Achievements, Steam Trading Cards, Partial Controller Support, Steam Cloud, Remote Play on Phone, Remote Play on Tablet, Family Sharing - Platforms: windows - Website: Not collected - Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_5c96033f8d4bff53076c774ec7b3e3753f9e821f\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_b665cfd139553b8783110fb1839c8050cb4b16bc\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_202e492a12589be81cf38856cb6583b8006a82e2\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_21e51830bc8323710c5c9995edf15db1661d6387\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_cd284ea4a975e33111d6bdacf3862da41ac69c2c\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_2d1a929a5f7c69f56ba2c184f82cccc839bf69ac\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_0788d892bcb10d93c7f88b175597a6b89854cdac\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_0132e8375e4f27de14bbbbbc29879a391a01798b\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_7cd7fba6039478796d604f3b131e5163b7088881\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_0839eb48fdb14308b7edd1c537643460c493ab33\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_691b32abf6dab8e6382559f83e2d11ce5bbe2b8d\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_ba0fba4b32c02b224286915efd81b3e69e3616d9\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_94dc3e5d9f9f0ceb7cbe524ac303edb98886bc97\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_091e810e6e8169a33739dc2f17b257eb90f17135\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_980dbc62a8acabf2326e4733b3f42658d400e1cf\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_91b024ae5626dc940af0a1ce465067ca7f778d11\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_3442eac9c6aa6464dfa670a7310e1ae70bb1603c\.1920x1080\.jpg?t=1752127901, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1277930/ss\_25e00fe5e11efee61ec98ae4dba2422257a0d410\.1920x1080\.jpg?t=1752127901 - Price: 3499 minor units USD; discount 0% - Price country: US ## Observed metrics - Current players: 20 - Steam review count: 7053 - Steam positive reviews: 6901 - Steam negative reviews: 152 - Steam positive percentage: 97.84488869984403% - Summer DB rating: No native votes Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\} ## Player history [Seven-day chart data as Markdown](/api/v1/entities/101b8507-0c87-484c-9376-626320644365/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/101b8507-0c87-484c-9376-626320644365/player-metrics?days=7) Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown. ## Sources and freshness - Catalog membership: store\_catalog - Catalog observed: 2026\-09\-28T16:58:32\.455488\+00:00 - Details observed: 2026\-09\-24T21:41:18\.796394\+00:00 - Player count observed: 2026\-09\-24T21:41:20\.283145\+00:00 - Reviews observed: 2026\-09\-24T21:41:19\.751432\+00:00 Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/1277930/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/1277930/","players":"https://api\.steampowered\.com/ISteamUserStats/GetNumberOfCurrentPlayers/v1/?appid=1277930","reviews":"https://store\.steampowered\.com/appreviews/1277930"\},"price":"2026\-09\-24T21:41:18\.796394\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-24T21:41:18\.796394\+00:00","players":"2026\-09\-24T21:41:20\.283145\+00:00","reviews":"2026\-09\-24T21:41:19\.751432\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"8a1cbefc\-02c6\-4c1b\-a08d\-e59afc65aaf3","catalog":"0adf9da4\-f55c\-4432\-a4bb\-7f96994e28d3","details":"f96950b7\-c0d4\-4f24\-be97\-56ccf154bf06","players":"a3f96bbd\-9a17\-4d4e\-b182\-87364f541ac7","reviews":"c036088a\-7a9b\-4939\-9c71\-a044e3f0c8d3"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\} Native rating methodology: \{"count":0,"average":null,"entityId":"101b8507\-0c87\-484c\-9376\-626320644365","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\} Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted. [Steam store](https://store.steampowered.com/app/1277930/) · [JSON](/api/v1/games/101b8507-0c87-484c-9376-626320644365)