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Overview
- This section covers the version history of this game.
Version History
1.1.0
- Updated on July 7, 2024.
- This is said to be the last version of the classic version, but unlike previous versions, it features noticeable unnecessary changes and deletions to the content. As a result, some people seem to prefer version 1.0.0 over this version.
- In particular, there appears to be strong dissatisfaction regarding the changes to the Final Era Level and other BGM, as well as the removal of the emotional arrangement of the BGM from the Math Level that played during the final battle.
- Originally, there were plans to completely overhaul the content to release ACHS on Steam, but due to the excessive amount of copyrighted material, the project was abandoned, and the remastered version was subsequently developed. It may have been created by layering changes onto an already modified version.
- In the development log of the previous version, it was stated that further updates would be handled not by the main creator, Andreaadima, but by the collaborator, Enri43, so there is a possibility that the handling of content changed due to the change in creators.
Changes
- Principal Neutralization Bug has been fixed.
- Hardcore Mode and its completion achievement have been added.
- A mouse sensitivity option has been added.
- Some text fonts have been changed.
- Due to copyright issues, the appearance of some items and notebooks has been altered.
- ACoin Giver and Prologue have been removed.
- The BGM played on the title screen when the game starts has been changed from “Gravity Break” to “Overture to the Sun.”
- The BGM for MATH ANCIENT has been removed.
- The battle BGM and bad ending BGM for the Final Era Level have been changed.
- In the blessing scene of the Final Era Level, Sophie Adelbert now reveals her true form.
- The Easter egg featuring Happy Happy Cat in the Science Level has been removed.
1.0.0
- Updated on June 8, 2024.
- This version is said to be the full version of ACHS.
- Note that future updates will be handled by Enri43, a collaborator, rather than Andreaadima, the main creator.
Changes
- Reported bugs have been fixed.
- The background on the menu screen has been adjusted.
Level
- Final Era Level has been added.
beta 0.2.0
- Updated on May 4, 2024.
Changes
- An Iris-in effect now plays when entering the menu screen.
- The background of the menu screen now changes to the background of the last level played.
- New character Ertoo Walkatosia has been added.
- Some text has been improved.
- In the final chase of the Music Level, a sound now plays when notes are collected.
- The number of sounds played in the Music Level's notebook has been reduced, with 2 piano sounds in Boi Mode, 4 in Default Mode, and 6 in Brainiac Mode per problem.
- The timer in the punishment room has been fixed, and the display when there are 0 seconds remaining has changed from “0 Seconds” to “0 Second.” The door lock is now unlocked when the timer display disappears, not when it shows “0 Seconds.”
- An iris-out effect is now added at the end of the game.
- The handling of “Opened dog beef” in Lucas Golenevsky's Final Chase has been fixed.
beta 0.1.0b
- Updated on April 27, 2024.
Changes
- Fixed a bug where, after using two or more carrots on Sophie Adelbert, if you touched Sophie when there was no collision detection, you would be stuck in place during the jump scare and unable to move.
beta 0.1.0a
- Updated on April 26, 2024.
Changes
- New items “Carrot” and “Rusty fork” have been added.
- The display of the number of potions obtained in the final chase of Science level has been changed from “0/5” to “0/5 Potions.”
- The background of the menu screen has been changed.
- The post-processing in Language Level has been fixed.
- A button to access the creator's social media has been added to the menu screen.
- A sign-up button has been added to the login screen.
- A bug where answering incorrectly between giving Lucas Golenevsky dog beef and resuming tracking would cause the speed to max out has been fixed.
- The tracking speed in Angelica Wilkins's Default mode and Brainiac mode has been weakened.
- A bug where Kittie would follow you indefinitely without taking tuna fish when found for the second time has been fixed. Additionally, if you don't have tuna fish in your hand, you will be killed normally.
- Many bugs have been fixed.
- Issues where some textures were not functioning properly have been resolved.
- ACoin now appears in Science level.
- Achievements for Music level have been added. Additionally, a second page of achievements has been added.
- The pitch of the BGM in the menu screen has been slightly increased, and the volume has been raised.
- A bug where achievements were not obtained even after clearing Brainiac mode in Science level has been fixed.
Level
- Music Level has been added.
- An unfinished version of the Final Era Level has been added.
alpha 0.0.8
alpha 0.0.7
alpha 0.0.6
alpha 0.0.5
Version History (Remastered Version)
1.4.1
- Updated on July 7, 2025.
Changes
- The appearance of the flag notebook has been improved.
- A bug where the Principal's lingering timer would decrease even while the pause screen was open has been fixed.
- Fixed a bug where Angelica Wilkins would kick through some doors in Puss mode in the National flags level.
- Fixed the behavior of the Teleporter in the National flags level.
- Time Freezer can no longer be used in the final chase of the National flags level.
1.4.0
- Updated on July 5, 2025.
Changes
- A prologue now plays when starting the game for the first time.
- As a result, Emily's voice was added for the first time in the remastered version.
- The math notebook has been significantly improved.
- The appearance of notebooks in other levels has also been improved.
- New items “Donut” and “Sketch Map” have been added.
- New character “Counselor” added.
- Numerous bugs fixed.
- Principal Time Switch Bug is one of them.
- In Hardcore mode, a bug where, in Math level and Science level, if you were killed by Principal, you would only transition to the normal game over screen and could restart from there has been fixed.
- The mouse cursor now looks like a pen.
- When approaching the bell, it now displays whether it is currently lesson time or break time.
Levels
- National flags level has been added.
- An unfinished stage has been added to the Gardening level.
1.3.1
- Updated on April 24, 2025.
Changes
- When purchasing items from a vending machine, items now come out from the bottom of the vending machine instead of directly into the slot.
- The size of the problem text in the math notebook has been increased.
- A bug where the Time Freezer could be brought into the Final Era Level has been fixed (the Item Box no longer appears).
- Several bugs have been fixed.
1.3.0
- Updated on April 11, 2025.
Changes
- An item store has been added to the Store. As a result, the store has been divided into two sections.
- A new item, “Item Box,” has been added.
- A new item, “Time Freezer,” has been added. It can only be obtained from the store.
- A new gimmick, “Fire Alarm,” has been added.
- 60 new types of text have been added to the Language Level notebook.
- Many bugs have been fixed.
- A Steam achievement for the Computer Science Level has been added.
- A Steam achievement for the Fire Alarm has been added.
- Free mode has been removed and moved to the Store.
- You can now skip the DyymaStudio cutscene when launching the game.
- The feature where sanity decreases while running has been removed, and instead, it now decreases while solving notebooks.
Levels
- Computer science level has been added.
- The unfinished National flags level has been added.
1.2.3
- Updated on December 16, 2024.
Changes
- A loading screen now appears before the level begins.
- This enhances the visuals but significantly increases loading times.
- The menu has been translated.
- Several bugs have been fixed.
1.2.2
- Updated on December 15, 2024.
Changes
- Fixed a bug where sanity would not decrease at all until the player took a deep breath after having their sanity restored by a nurse.
- A new item, “Mystery book,” has been added. Along with this, dedicated rooms have been added for Math level, Language level, Science level, and Music level, and a locker containing a Blue door key has been added to the Music level room.
- Level tasks have been added. These can be checked by pressing TAB during the level.
1.2.1
- Updated on December 9, 2024.
Changes
- Medical Equipment now appears only while receiving treatment after requesting sanity restoration from the Nurse.
- The Teleporter now appears after answering a question incorrectly.
1.2
- Updated on December 7, 2024.
Changes
- A new character, Nurse, has been added.
- Sanity now decreases while running.
- The amount of sanity that can be restored by deep breathing has been reduced to about half.
- Treatment rooms have been added to the Math level and Music level.
- New items “Medical Equipment” and “Teleporter” have been added.
- Free Mode has been added (unlocked on January 1).
- Stamina Decrease Speed Glitch has been fixed.
1.1
- Updated on September 24, 2024.
Changes
- Italian language added.
1.0
- Updated on September 19, 2024.
- Initial version.
Changes from the Classic Version
- Many textures, such as walls, have been changed, particularly in the Math Level and Language Level.
- The appearance of some objects has been changed.
- The appearance and voices of many characters have been changed.
- The appearance of many items has been changed.
- Some dialogue has been changed.
- Many BGM and SE have been changed.
- The visuals for the Final Era Level have been changed.
- Samara's name has been changed to Girly.
- Emily's 3D model has been added, and her appearance can now be seen when looking down.
- The visuals when hovering the cursor over items have been changed.
- The game over visuals have been changed.
- Data for many unused levels has been deleted.
- The content of the unused level raregameover has been changed.
- All levels available for purchase in the Store have been deleted except for Untitled1 and Untitled3. Untitled3 has been renamed to Untitled2, and while the deleted levels still exist as data, accessing them now immediately returns you to the menu screen.
- The startup animation has been changed.
- Many fonts have been changed.
- The screen filter effect has been changed, giving it a retro feel.
