YandereDev has stated publicly that he does not support old builds because they contain “unfixed exploits and embarrassing code.” However, he has never issued a DMCA takedown against archival sites.
This article is for educational and preservation purposes only. By downloading the 2015 build, you accept that:
There are only three reliable sources for this legacy content:
1. The Internet Archive (archive.org) – Highly Recommended The Internet Archive has a “Yandere Simulator Legacy Collection.” Search for “YandereSimulator 2015-03-01” or “YanSim March Build.” Look for uploads by verified archival groups. The SHA-256 checksums are often listed, so you can verify the file hasn’t been tampered with.
2. Dedicated Indie Game Archive Subreddits Subreddits like r/Archiveteam or r/GamePreservation occasionally host Mega or Google Drive links for old builds. Note: Never ask for links on the main r/yandere_simulator subreddit—it is against the rules.
3. The “Sickboy” Build Archive (Community Wiki)
A now-defunct community wiki once kept a chronological list of every debug build from 2015 to 2018. Some of those links are still alive via the Wayback Machine. You will need to look for filenames like: YandereSimulator-15thMarch2015.rar or Build_2015_04_15.zip.
Here is the hard truth: YandereDev does not officially host the 2015 builds on the main website anymore. The official website (yanderesimulator.com) currently pushes the latest debug builds. The old versions have been relegated to the digital graveyard.
However, “deleted” does not mean “gone forever.” Archives exist. But you must be extremely careful.
If you download the current build of Yandere Simulator (v10.x or later), you are greeted with a massive school, photography clubs, ghosts, video games, a gardening club, and dozens of elimination methods. It’s a lot.
The 2015 build is the opposite.
In 2015, Yandere Simulator was not a “serious” stealth game yet. It was a tech demo experiment built on the bones of Unity’s pre-made assets. It featured:
For many veterans, the 2015 build represents a “what could have been” simplicity—a pure, unhinged sandbox where the only goal was to figure out how to drag a body to the incinerator without any distracting minigames.
For fans of Yandere Simulator , downloading 2015-era builds offers a "time machine" look at the game’s core development phase when features like kidnapping were first introduced. While the official Yandere Simulator Website
only hosts the latest version, there are verified community archives for older releases. Where to Download 2015 Builds
Because the developer does not officially host old versions on the main site, you must use fan-maintained archives: Internet Archive (Recommended) : The most comprehensive and reliable source is the Yandere Simulator: Old Build Archive . It hosts individual
files for nearly every 2015 release, including the major April, June, and December milestones. MediaFire Links
: Some older fan blogs and wiki pages maintain direct links, such as the Nov 1, 2015 Build : This platform maintains a Version History Repository
where you can download older files for free, though it typically focuses on more recent years. Notable 2015 Build Milestones
The 2015 builds represent the transition from a simple sandbox to a complex stealth game: April 2, 2015 : Introduced the Kidnapping mechanic, the Nurse's office, and "Hateful Mode". May 3, 2015
, school classrooms with furniture, and the "Teacher's Pet" personality type. June 17, 2015 : Introduced the and the ability to drown rivals in toilets or fountains. December 2015
: Featured a major shift toward more time-intensive programming for final core features. Installation & Security Tips Extracting Files
: These old builds are usually distributed as ZIP or RAR archives. You will need a program like or WinRAR to unzip them into a folder. Running the Game : Once extracted, double-click YandereSimulator.exe to play. You do need the modern launcher for these old standalone files. Anti-Virus Warnings
: Old builds are often flagged as "unrecognized" by Windows or Norton because they lack a digital signature. Many users suggest adding the game folder to your antivirus exception list if the files are deleted upon extraction. Performance : If these old versions run poorly, choose the graphics quality in the opening configuration window.
Downloading a specific 2015 build of Yandere Simulator requires using third-party community archives, as the official Yandere Simulator website typically only hosts the most recent launcher and stable demo builds. Because these older versions are prototypes, they are often maintained by fans rather than the developer. Where to Find 2015 Builds
To access builds from 2015, you must visit community-run repositories that host historical files:
Internet Archive (YandereDev Old Build Archive): This is the most comprehensive source for historical versions. You can find collections spanning from 2015 to the present. Yandere Simulator 2015 Build Download LINK
Visit the Yandere Simulator Old Build Archive on Internet Archive.
Look for files labeled with dates from 2015 (e.g., April 2015, November 2015).
Fan-Made Archives: The Yandere Simulator Development Blog sometimes provides links to "Fan-Made Archives" at the bottom of the download page.
Third-Party Repositories: Sites like Uptodown and Softonic maintain a version history, though they may not go back as far as the earliest 2015 prototypes. How to Install an Old Build
Once you have located and downloaded the specific 2015 ZIP file from an archive:
Extract the Files: Use a tool like WinRAR or 7-Zip to extract the contents of the downloaded ZIP folder to a new location on your PC.
Run the Executable: Open the extracted folder and find the .exe file (typically YandereSimulator.exe). Double-click it to launch the game.
No Launcher Needed: Unlike current versions, these old builds do not use the official launcher. They are standalone prototypes.
For a visual walkthrough on how to navigate these archive sites and set up the files, you can watch this guide: How to Download Old Builds of Yandere Simulator Tsukasa YS YouTube• Jun 26, 2025 Important Considerations How to install - Yandere Simulator Wiki
I can’t provide a direct download link for “Yandere Simulator 2015 build” because:
Recommendation:
If you’re looking for archival or research purposes, check the official Yandere Simulator subreddit or YandDev’s blog for any mentions of legacy builds. For actual gameplay, download the latest official debug build from the official site — it’s free, safer, and far more complete.
If you need help finding the official download page (not a 2015 link), let me know and I can guide you there safely.
I can’t help find or provide links to download games or other copyrighted software. If you want a paper about Yandere Simulator (2015 build) instead, I can write one — specify length, format (essay, research paper, analysis), and any focus (game design, community reception, controversies, mechanics, or historical context).
Relive the Chaos: Downloading the Yandere Simulator 2015 Build If you’ve been following the development of Yandere Simulator
, you know that 2015 was a foundational year. This was the era when the game transitioned from a simple "high school murder sim" into a complex stealth project with actual mechanics like drowning, kidnapping, and the first iterations of the "heroic" student personality.
Whether you're a long-time fan looking for a hit of nostalgia or a new player curious about how the game looked a decade ago, here is how you can find and play those classic 2015 builds. Where to Find the 2015 Downloads
Because the game is constantly updated, the official website always hosts the latest debug build. To find the specific versions from 2015, you have to dig into the developer's archives.
Official Development Blog Archives: The most reliable way to find these is through the 2015 Yearly Archive on the official dev blog. Specific Monthly Milestones: March 2015: One of the earliest major bug-fixing periods. June 2015: Introduced drowning in toilets and fountains.
August 2015: Added the shower room and blood-cleaning mechanics.
November 2015: Debuted the "Heroic" student personality and the struggle minigame. How to Install an Older Build
Installing a 2015 build is slightly different from using the modern launcher, which is designed to keep you updated to the newest version.
Download the ZIP: Older builds are typically hosted on Mediafire or Mega links found in the specific blog posts above.
Extract the Files: Use a tool like WinZip or 7-Zip. Right-click the folder and select "Extract".
Run the Executable: Look for the YandereSim.exe file (it won't be a launcher for these older versions) and double-click to start.
Graphics Check: When the configuration window appears, remember that these builds are unoptimized. If you experience lag, choose the 'fastest' graphics setting. Why Play a 2015 Build? YandereDev has stated publicly that he does not
The 2015 versions are a "time capsule" of the game's growth. You can see the original school layout before it was expanded to 54 rooms and try out early Easter eggs that have since been changed or removed. Just keep in mind that these are debug builds—they are full of bugs, and many features we take for granted now (like Osana's full week) aren't there yet. October | 2015 - Yandere Simulator Development Blog
Finding a 2015 build of Yandere Simulator is like stepping into a digital time capsule. That year was the game's "golden age" of viral growth, where it transformed from a basic slaughter sandbox into a complex social simulation. 🕹️ Where to Find the 2015 Builds
Official development has moved far beyond these versions, but the community maintains deep archives for nostalgia and performance testing:
The YandereDev Old Build Archive: The most reliable source is the Yandere Simulator: Old Build Archive on Archive.org. This repository contains backups for almost every build from 2014 to the present.
Official Blog History: You can still browse the 2015 Development Blog to see the specific notes for updates like the August 21st bug-fix or the October "spooky" additions.
Fan-Made Repositories: Links are often shared in community spaces like the Yandere Simulator Fandom under "Old versions of the game". 🕰️ Why 2015 Was the "Deep" Turning Point
The 2015 builds are often considered the "purest" era of the game before the scope grew to its current massive scale. Major milestones that year included:
Social Sabotage: The introduction of the "Matchmaking" and "Befriend/Betray" mechanics, shifting the game from a "serial killer sim" to a psychological one.
The Sanity System: Features like the Insane Laughter were refined, allowing players to "blow off steam" and restore sanity at the risk of being caught by Senpai.
Environmental Storytelling: This was the year the "basement" became functional, and the mythos of Info-chan and the Saikou Corporation began to take root in the school's geometry.
Physics & Polish: 2015 saw the first successful implementation of hair physics and the transition to a spreadsheet-based student spawning system, which significantly improved how the world felt. ⚠️ Important Preservation Notes
Compatibility: 2015 builds were made in older versions of Unity. They may require Compatibility Mode (Windows 7 or XP) to run on modern Windows 10/11 systems.
Security: Always use trusted sources like Archive.org or the official dev blog. Avoid third-party "re-upload" sites that might bundle the .exe with malware.
Missing Features: These builds do not have Osana Najimi, the 1980s Mode, or the current high-poly models. They feature "Placeholder-chan" and the original, more basic school layout. Yandere Simulator: Old Build Archive : YandereDev
To download the Yandere Simulator 2015 build, you must use community-maintained archives, as the official site only provides the latest debug build. Step 1: Locate the 2015 Build
The most reliable source for historical versions is the Internet Archive, where several users have backed up every build from 2014 to the present.
Official Archive Collection: Use the Yandere Simulator: Old Build Archive on Internet Archive.
Alternative Archive: Another repository can be found at Previous Builds of Yandere Simulator.
Fandom Recommendations: Some community members also suggest using Uptodown's Version History for older files, though it typically prioritizes more recent updates. Step 2: Choose a Specific 2015 Version
The year 2015 saw major updates, including the introduction of rival mechanics and crafting. Notable dates to look for in the archive include:
April 2015: Introduced the "Cinematic Camera" and fixed major exploration bugs.
August 2015: Changed the blood cleaning process and fixed significant bug-fixing issues.
December 2015: Added the ability to frame rivals, use gloves, and track fingerprints. April | 2015 - Yandere Simulator Development Blog
If you are looking for the original 2015 builds of Yandere Simulator
, you can still access them through community-maintained archives, as the official site primarily hosts the latest version. Where to Download 2015 Builds There are only three reliable sources for this
Because these are historical versions, they are preserved on sites like Archive.org Yandere Simulator: Old Build Archive
: This is a comprehensive backup containing builds from 2014 through 2015 and beyond. Yandere Simulator Official Downloads Page
: While this link typically provides the most recent launcher, the developer occasionally links to community archives at the bottom of the page for legacy versions. Key 2015 Build Milestones
The year 2015 was a massive expansion period for the game's core features: January – March
: Added foundational mechanics like the "Wait for me" note, the Senpai shrine, and the calendar-based game flow. April – June
: Introduced blood splashes, crawling/crouching transitions, and fixed critical "permanent Yandere Vision" bugs. August – December : Launched the Senpai Customization
screen, intro cut-scenes (audio-only at the time), and the school cork-board for photos. Installation Guide for Old Builds
Since these older builds do not use the modern auto-updating launcher, you must install them manually: April | 2015 - Yandere Simulator Development Blog
While there is no single "official" standalone link for every specific 2015 build, you can find them through community-maintained archives. These older versions are popular among fans because they represent the game's earliest public development phases. Where to Find 2015 Builds
Because the official Yandere Simulator download page primarily hosts the latest version, you must use fan-run repositories for 2015 files.
Internet Archive (Wayback Machine): Several users have uploaded historical backups. The Yandere Simulator Old Build Archive contains a chronological list of builds dating back to 2014 and 2015.
Uptodown: This platform maintains a repository of previous Yandere Simulator versions specifically for users facing bugs with newer updates.
MediaFire/OneDrive Archives: Some community members on the Yandere Simulator Wiki and Reddit share direct links to cloud storage folders containing 2015 updates, such as the May 2015 build. Significance of the 2015 Builds
The 2015 era was critical for the game's identity, introducing many of its core mechanics: Yandere Simulator/How to install
You might finally get the Yandere Simulator 2015 Build download link, double-click the .exe, and… nothing happens. Or the screen turns pink. Or it crashes instantly.
That is because the 2015 build was compiled for an ancient version of Unity (Unity 4.x) and expects Windows 7-era drivers.
To run the 2015 build successfully, follow these steps:
Mac/Linux Users: The 2015 build was Windows-only. No Wine/Proton layer works perfectly. You will need a virtual machine or a cheap laptop from 2015.
After you successfully navigate the Yandere Simulator 2015 Build download LINK and launch the game, you will appear in the Debug Menu (because there was no "start" button in 2015).
The framerate will be weirdly high. Senpai will stare into your soul with his blank, black eyes. You will attempt to put a corpse in the locker, and the locker will eat your arm model.
And you will smile. Because that is the charm of the fossil.
By: Staff Writer | Game Archaeology Section
In the sprawling, chaotic history of indie game development, few titles have a backstory as dramatic as Yandere Simulator. Developed (mostly) by YandereDev, this stealth-stalking-sandbox game has undergone nearly a decade of iterative changes, feature bloats, and visual overhauls.
But for a specific breed of gamer—the archivist, the nostalgia hunter, or the curious modder—the modern builds are simply too complex. You want the raw, buggy, innocent essence of what the game was at its birth.
You are looking for the Yandere Simulator 2015 Build.
This is your complete guide to understanding why this build matters, what it contains, and—most importantly—where to find a safe, legitimate Yandere Simulator 2015 Build download link without falling into the trap of malware or fake files.