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Janken Horn is a "Rock Paper Scissors" card game. When a simple luck testing game suddenly becomes a strategy game, you will understand. Why does it make you think so much when all you need to do is to pick one from Rock/Paper/Scissors?
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.
Janken Horn is a "Rock Paper Scissors" card game in which the main character is Tsunomaki Watame from hololive 4th generation.
Total of 20 hololive talents appear in this game!
When a simple luck testing game suddenly becomes a strategy game, you will understand.
Why does it make you think so much when all you need to do is to pick one from Rock/Paper/Scissors?
Make sure to use "Watame Night Fever Card" at the best timing to turn the tables!
Enjoy with your friends online in 2-players mode and 3players mode!
Solo play mode is also available where you will be collecting "horns" to unlock your favorite talents!
Compete with the players around the world to make the rankings!
This game is a participant in the indie game brand ""holo Indie"" (※2), developed by CCMC Inc. (※1.).
It has been approved for distribution and monetization under the guidelines and regulations of ""holo Indie"".
Please note that the monetization of derivative games using content owned by Cover Corporation outside of ""holo Indie"" is not permitted.
※1. About CCMC Corp.
CCMC Corp. is entrusted with website management (ex: steam) including, examination, publishing and other necessary tasks by Cover Corp.
※2. About ""holo Indie""
holo Indie's objective is to cooperate with hololive production fans and creators.
It is a game brand that offers ""Game Creator Support Program"" for the derivative work games.
For more details about ""holo Indie"", Please refer to the Cover Corp.'s ""Derivative work guidelines"".
Lowest tracked price: PLN 25.89 (Jul 7, 2026) · current best: PLN 36.99.
64% positive reviews all-time.
Right now the cheapest offer for じゃんつの -Janken Horn- is PLN 36.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for じゃんつの -Janken Horn- is PLN 25.89 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when じゃんつの -Janken Horn- drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
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