© 2026
Hyper Index, Inc. · 29 Sept 2025
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A game that tests your ad-lib verbal skills using a microphone. You can test your word power with various subjects, such as handling a bank robbery with just the power of words, or becoming a weathercaster and ad-libbing your way through a weather forecast.
A new kind of game where what you say freely is scored!
① A prompt is displayed → ② The player answers via microphone or keyboard → ③ The AI scores it out of 100 points
There are four types of prompts, each offering a different style of fun.
Test Mode: For those who want to seriously measure their communication skills Stage Clear Mode: For those who want to enjoy a variety of stages while having fun
This mode allows 2 to 4 players to play the Stage Clear Mode together.
Players take turns speaking in a relay format to create a single answer.
Enjoy the unique improvisational feel as you try to connect your response to the previous player's statement.
※ Currently does not support online multiplayer (designed for sharing one microphone on a single PC)
※ The topic content is the same as the single-player Stage Clear Mode.
Translated with (free version)
Test Mode measures your language ability.
You will take on 10 prompts, and your language skills will be graded from Level 1 to Level 5.
You can compare your scores in each skill area with the national average to see your strengths and weaknesses.
You can also see your position in the national rankings—so give it a try!
Stage Clear Mode lets you enjoy various situations while pushing your communication skills to the limit.
Unlock stages as you go and play about 40 different prompts across four difficulty levels: Beginner, Intermediate, Advanced, and Superhuman.
We welcome video streaming and gameplay commentary.
Monetization is also allowed, with no restrictions on the scope of streaming.
Both individual and corporate streams are permitted.
When streaming, please include the URL of this game’s Steam store page in the video description.
(If the platform’s rules prevent adding a URL, please mention where the game can be purchased within the video.)
We would greatly appreciate your help in promoting the game so that viewers may take interest—and hopefully purchase it.
However, the following actions are prohibited:
These guidelines may be updated or changed without notice. Thank you for your understanding.
Game Title Screen > ‘Documents’ > ‘Streaming Guidelines’ → Link at the very bottom
※This will take you to Google Drive. Please download and use the assets.
※The terms of use for image assets are outlined in the in-game document ‘Streaming Guidelines’.
Regarding the ‘Play’ button that replays player responses in-game: Depending on your environment, the original unaltered voice may be played.
If you use a voice changer for streaming, we recommend testing the ‘Play’ button once before going live.
Bug reports will be addressed and posted sequentially on the [Bulletin Boar
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