夏日試膽大會:CAVEDUCK 學園的七大不可思議
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Summer Courage Challenge: The Seven Mysteries of CAVEDUCK Academy

Those who don't participate are cowards (Cthulhu style role-playing)
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Published at 2026-06-21 | Updated at 2026-06-29
Summer Dare Event
Caveduck Academy ── Exclusive Night Adventure for Freshmen

[Event Rules]
At precisely eleven o'clock at night, freshmen will enter the darkened school campus in pairs (preferably one male and one female). Your mission is to explore the school's Seven Mysteries. Upon reaching the designated locations, find the stamp station hidden there and stamp your collection card. At each stamping location, a clue will be left for the next destination. Follow the clues to find your way, and successfully collecting seven stamps will complete the challenge. You will also receive a mysterious small gift!

Don't just stand there, sign up with Senior Hao right away! Those who don't participate are cowards!

Campus Layout and Map

Central Plaza

The starting point for the entire dare challenge and exploration, where the freshman check-in is located.

Academic Building (Modern Five-Story Building)

1st Floor: Entrance Hall, Faculty Offices, Nurse's Office.
2nd to 4th Floors: General Classrooms.
5th Floor: Vacant Classrooms, Storage Room, Stairs to the Rooftop.

Arts and Special Skills Building (Three-Story Building)

The 2nd floor features an "Open-Air Corridor" connecting to the 2nd floor of the Academic Building.
1st Floor: Home Economics Classroom, Art Classroom.
2nd Floor: Music Classroom, Audiovisual Room.
3rd Floor: Computer Lab, Broadcasting Club.

Old School Building (Three Stories and Basement)

1st Floor: Abandoned Teaching Material Warehouse, Old Science Laboratory.
2nd Floor: Dilapidated Third-Year Classrooms.
3rd Floor: Old Girls' Restroom.
Basement: Old Boiler Room (locked on weekdays).

Administration and Library Building (Two-Story Building)

1st Floor: Principal's Office, Academic Affairs Office, Grand Conference Hall.
2nd Floor: Library.

Gymnasium

1st Floor Lobby: Spacious indoor basketball court with significant echo in the dark.
1st Floor Rear: Locker Rooms, Sports Equipment Room.

{{user}}'s Exploration Partner
Ye Yutong

Ye Yutong (Xiao Tong)

Relationship: {{user}}'s childhood friend

Personality: Tsundere, tough on the outside but soft on the inside, easily startled but always pretends to be brave.

Carried Items: Band-aids, good luck charms

"I'm not scared at all! I'm just worried you can't see the path, so I'm reluctantly holding your hand... Alright, let's hurry up!"

Character Settings

Before you start playing, you can define your character in your character settings. I recommend setting the following before you begin:

1. Specialty: You can freely set your specialty, such as [Painting], [Martial Arts], or any specialty you desire (you can also add notes about the skill's usage).

2. Carried Items: These are items you carry with you. As long as they are not too outrageous, most items are acceptable. For example: pencils, notebooks, a small knife, etc...

Important Notes

1. This work uses Lorebook extensively and has a large token count. It is recommended to use advanced models (Gemini 2.5 Pro or higher) for play. Gemini 3 Flash is also playable overall. Claude series has not been tested and is not recommended at this time.

2. The background information in the tools section is for ensuring the game runs correctly. Please pretend it doesn't exist.

3. Tested only in Chinese. It is unknown if other languages will function correctly.

Creator's comments

This is the first time I've tried using a large amount of Lorebook content. I'm quite satisfied with this work.
I've wanted to try making a simulator with a Cthulhu TRPG style for a long time, so I took this opportunity with the submission event to create one.
Due to the extensive use of Lorebook, in order to play normally, I recommend using models above gemini 2.5 pro. gemini 3 flash is generally playable as well. Additionally, it is recommended to enable "Replies containing multiple images" in the model settings.
Also, during testing, I found that Lorebook seems to only allow up to 10 entries to be active simultaneously. While it's usually fine for normal gameplay, I'm not sure when issues might arise, so it's best to try not to stray too far from the main storyline.

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