埋夏 Buried Summer
《埋夏》是本站的第一方存档站 ARG:2009 年六年三班在梧桐树下埋下铁盒,约 2026 年挖出来;你是搬走的 30 号。9 篇日志、6 条树洞、6 封信、3 个结局,约 20–30 分钟,AI 插画已标注。
《埋夏》是本站的第一方存档站 ARG:2009 年六年三班在梧桐树下埋下铁盒,约 2026 年挖出来;你是搬走的 30 号。9 篇日志、6 条树洞、6 封信、3 个结局,约 20–30 分钟,AI 插画已标注。

On 24 June 2009, Class 6-3 buried a tin under the plane tree behind the school: thirty letters, to be dug up on 1 July 2026. You are Lin Yuan, number 30, who moved away after graduation. On the night of 30 June 2026, a scheduled email arrives: the school is being demolished on 2 July.




Buried Summer is a 2009 class website and a promise seventeen years late. A scheduled email brings you back to a site that stopped updating long ago; the notice board carries a demolition notice for 2 July, and the plane tree behind the school is inside the demolition zone.
The site has a class diary, a photo album, a guestbook and a duty roster. Read enough and something stops adding up: the site did stop updating — and yet every 24 June, someone came back and wrote something.
One run takes 20–30 minutes. No search box, no timer, no fail state; just one evening and a pile of things to read.
Nine diary entries, from Children’s Day 2009 to the final update in 2026; fifteen guestbook messages, from classmates to anonymous visitors; five photos, from the graduation portrait to an empty classroom.
A duty roster: five weeks, two students each. The duty student locks up, cleans the blackboard and remembers the tree-hole password — that line is not decoration.
A locked tree hole with six entries, 2010 to 2026. Finish all six and the tin appears; the tin holds thirty letters, and only finding and opening your own unlocks the third ending.
The tree-hole password is six digits — not a birthday, not the class number. The diary entry from the burial day gives the date and that week’s duty students; the first guestbook message states the rule; the roster lets you match a number to a name.
Piecing those six digits together is part of the game. After two wrong tries you get a hint; you are never expected to brute-force it.
Once it opens, the real reading begins: six updates from different years, assembling what happened to this class across seventeen years.
At the end you stand under the plane tree with the tin and make a choice you cannot take back: publish the letters and call the class back, or leave it closed and bury it again in the new flowerbed.
The third ending is hidden: take only your own letter, leave one line in the guestbook, and walk away. It only appears if you first find and open letter 30.
There is no bad ending. The three differ not in victory or failure, but in how far you are willing to go tonight.
The five “photos” in the album and the hero image are AI-generated illustrations, not real photographs; both the in-game footer and this page say so.
Wutong Road Primary School, Class 6-3, Xiaoman, Lin Yuan and every letter are fictional and unrelated to any real school, class or person.
The game asks for no real name or contact details; you are only reading a fictional class archive.
The 9 diary entries, 15 guestbook messages, 5 photos, 6 tree-hole entries, 6 letters, 3 endings and 10 clues all live in maixia/src/data/site.js; reading, unlocking and ending conditions are in src/game/engine.js; saving is in src/game/save.js.
The 56 gameplay assertions are the result of `npm run audit` in the maixia repo on 2026-10-20, covering password derivation, rejected wrong codes, lock order, all three endings and negative controls; the render gate `npm run check:render` drives the whole game from the scheduled email to the hidden ending at desktop and 390 wide.
The four screenshots were taken from the live game on 2026-10-20; the hero is an AI illustration, labelled as such.
Do I need an account or payment?
No. It runs free in the browser and asks for no personal information.
How long does it take?
20–30 minutes. One run covers most of it; seeing all three endings means starting again.
Can I get stuck?
The only door is the tree-hole password. The clues are all in the diary, roster and guestbook; two wrong tries bring a hint.
Is it scary?
No. No jump scares or horror imagery; it is closer to a quiet afternoon of reading.
Does it work on phones?
Yes, portrait-first; photos open full-size.
Where is progress saved?
On this device. Reload and continue; it does not travel between devices.
Open the class site — Runs on its own subdomain · progress saved on this device