
Screenshots

Watch trailer on Steam ↗じゃんつの -Janken Horn-
BG2研 · Published by holo Indie
Mixed — 64% positive (14 reviews)
Last updated 30 Sept 2026
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?
£6.69
Lowest price we've ever recorded
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Price history
Indie, Strategy, Casual · 2025 · More £5 - £15 games
Experience the strategic depth of "Rock Paper Scissors" in Janken Horn, an innovative indie game from BG2研. This casual yet challenging title blurs the line between luck and skill, offering hours of thoughtful gameplay.
About this game
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"".
System Requirements
Will my PC run this? →Minimum
- OS: Windows 10
- Processor:
- Memory: 4 GB RAM
- Graphics:
- DirectX: Version 11
- Storage: 1 GB available space
Recommended
- OS: Windows 10
- Processor:
- Memory: 2 GB RAM
- Storage: 1 GB available space
Supported Languages
*languages with full audio support






