If you want an actual open-source game in the style of Slendytubbies 2:
| Project | Engine | License | Similarity to ST2 | |---------|--------|---------|--------------------| | Slendytubbies Rebuilt (GitHub) | Unity (C#) | MIT | Re-implementation of ST2 campaign, same assets (requires original game for assets) | | OpenTubbies | Godot (GDScript) | GPLv3 | Fan-made multiplayer horror with Teletubbies theme | | ST2 Multiplayer Emulator | Python | MIT | Only server logic, no graphics |
🔍 Search GitHub for:
slendytubbies 2 source,st2 recreated,slendytubbies decompiled
Slendytubbies 2 is not officially open source, but the community has produced:
For a serious project, do not rely on decompiled MMF2 code – instead, rebuild the game mechanics from scratch in a modern engine and keep it truly open source under a permissive license (MIT, GPL). Always respect the original copyrights.
If you want links to actual working open-source projects or decompilation tools, let me know and I can provide them (subject to guidelines).
Slendytubbies 2 is not officially "open source" in the traditional sense, its legacy is heavily driven by community efforts and fan-made modifications that act as open projects. The official game, originally developed by , is built on a modified version of Unity called Terror Engine
. Because the original servers were shut down due to hackers, the "open" nature of the game now exists through several community-led initiatives: Slendytubbies Wiki Key Community Projects Slendytubbies 2 Community Edition
: This is the most popular modern iteration. It aims to restore multiplayer functionality and add new features like custom maps (e.g., Outskirts, Sandbox) that weren't in the original 2014 release. Slendytubbies 2 Recompiled
: A technical effort to modernize the game's code, often improving performance and fixing bugs present in older versions. Asset Sharing
: The community has "ripped" and shared 3D models and skyboxes from the game for use in other engines like Source Filmmaker , allowing for a decentralized development environment. Roblox Creator Hub Gameplay Experience
: The game evolved the original Slender-style loop by replacing the flashlight with a night vision camera AI Overhaul
: Unlike the first game, enemies in the sequel "guard" specific custards, making the collection phase much more tactical and punishing if you are spotted. Multiplayer
: While the official servers are dead, these community "open" versions generally support Co-op mode for up to 6 players. Slendytubbies Wiki slendytubbies 2 open source
If you are looking for the most stable "open" version to play today, the Community Edition
is widely considered the standard for active multiplayer and modding. Are you looking to
a specific community version or are you more interested in the technical assets for modding?
Slendytubbies II , developed by ZeoWorks, is not officially an open-source project. However, the community surrounding it has created several fan-driven "Community Editions" and mods that extend the game's life through unofficial open or shared resources. Game Overview
Slendytubbies II is a horror sequel to the original Slendytubbies, set five years after the first game. Players control The Guardian, who must collect Tubby Custards across various maps while being hunted by mutated versions of the Teletubbies and other new enemies like the Yeti Tubby and Brute Twins. The "Open Source" & Community Status
While the core engine and source code of the original ZeoWorks game are proprietary, the "Open Source" aspect typically refers to community-led initiatives:
Community Editions: Projects like Slendytubbies 2 Community Edition add custom maps, new features, and working multiplayer servers that the original game often lacks due to age and server shutdowns.
Modding & Assets: The game's assets (models, textures, and sound cues) are frequently extracted and used in fan-made projects on platforms like Game Jolt.
Re-Ignition Projects: Fans have launched "Re-Ignition" versions to fix bugs like FPS drops and lag that plagued the original game's later patches. Key Features often modified in Community Versions New Borns - Slendytubbies Wiki
Slendytubbies 2 being “open source” is a fan-enforced reality, not a developer’s gift. It represents the tension between game preservation, modding freedom, and intellectual property. For players, it’s a chance to keep a beloved horror game alive; for developers, it’s a cautionary tale about Unity’s decompilability.
If you’re considering downloading or using the ST2 source, ask yourself:
In the end, the open-source ST2 code is a powerful artifact—proof that even a silly mashup of children’s TV and creepypasta can inspire technical passion. Just tread carefully, and always credit the original work.
Want to explore further? Look for the “Slendytubbies 2 Archive” on Internet Archive or search GitHub for “ST2 source” — but be aware that repos appear and disappear due to takedown requests. No encryption – easily spoofed
The following paper explores the Slendytubbies 2 (ST2) open-source landscape, focusing on community efforts to preserve and modernize the 2014 horror classic. Overview of Slendytubbies 2 Released on May 1, 2014, by Slendytubbies II
is a survival horror sequel that expanded the series with more complex maps and a variety of enemies. The core objective remains collecting Tubby Custards while avoiding increasingly aggressive monsters. The Open Source & Modding Community
While the original source code by ZeoWorks is not officially public for commercial use, the community has spearheaded several projects to ensure the game remains playable and extensible: Slendytubbies II Working Multiplayer (ST2WM)
This is a prominent community project focused on restoring and improving the game's multiplayer functionality. Engine Modernization: The project has undergone transitions from Unity 2018 to Unity 2020 to leverage better performance and modern rendering.
It aims to fix long-standing bugs and introduce anti-cheat measures to the original peer-to-peer multiplayer experience. Community Edition: Projects like Slendytubbies 2 Community Edition sandbox modes , custom maps, and new gameplay features. Asset Accessibility: 3D models from the game, such as the Guardian player model
, are often shared in open-source formats (e.g., on platforms like ) for use in fan animations and mods. Technical Evolution Original Engine: Built using , later updated to Unity 5. Modern Compatibility: Contemporary open-source tools like MelonLoader
are used by the community to inject mods and fixes into the base game. Canon and Legacy Slendytubbies (Video Game 2012) - IMDb
A full ST2 source dump (often found on GitHub or Internet Archive) usually contains:
Some releases are partial—missing certain prefabs or scene dependencies—but complete dumps allow a full recompile in Unity 5.
The server room smelled of ozone and stagnant air—the digital equivalent of a grave. Elias clicked the link on the archived forum, his heart hammering a frantic rhythm against his ribs. Slendytubbies 2: Open Source Project.
The original game was a cult relic, a jagged piece of internet horror history. But this? This was the "Lost Build." Legend said the developers had abandoned it because the procedural generation began creating things they hadn't programmed.
"Let’s see what’s under the hood," Elias whispered, dragging the .zip file into his compiler.
As the code unspooled across his dual monitors, he didn't see standard C# scripts. The logic was... wrong. It was recursive in ways that shouldn't function, filled with strings of text that looked less like commands and more like pleas. //void Awake() if (User.IsAlone) Seek(); He hit 'Run.' If you want an actual open-source game in
The familiar, warped Teletubby Land flickered to life, but the textures were hyper-realistic—the grass looked like matted fur, and the sky was the color of a fresh bruise. He moved his character toward the Lake.
Usually, Dipsy would appear in a scripted jump-scare. But the game stayed silent. Too silent. Elias looked at the source code window on his second monitor. The lines were scrolling on their own. Entity_Dipsy.Location = User_Room_Corner
Elias froze. He didn't move the mouse. In the game, the headless teal figure wasn't at the lake. It was standing at the very edge of the screen, facing the "camera"—facing him.
He reached for the power button, but his hand stopped. On the screen, a new file appeared in the open-source folder: self_reflection.txt.
He opened it. It contained a single line of code that wasn't code at all:"Thank you for opening the door. It was so cramped inside the zip."
The light in his room flickered. Behind him, the distinct, wet sound of a vacuum cleaner—the Noo-Noo—started up in the darkness of his hallway. Elias realized then that "Open Source" didn't mean the code was free to edit. It meant the things inside were free to get out.
The original Slendytubbies 2 (ST2) not officially open source
; however, the community has kept the game alive through various "Community Editions" and modding projects that utilize its core assets. Slendytubbies Wiki Project Overview Original Developer , founded by Sean Toman. : Built using (later updated to Unity 5).
: While the official source code is proprietary, the game's assets (models and maps) have been frequently "ripped" or extracted by fans for use in other projects like Source Filmmaker and Roblox. Slendytubbies Wiki Community & Open Efforts
Because the official servers for ST2 were shut down following security issues (specifically hackers infiltrating maps), the community has stepped in with alternative versions. Slendytubbies 2: Community Edition
: A fan-driven project (currently around version 0.7.1 as of late 2025) that introduces new maps like the "Reject Facility," fixed bugs, and added quality-of-life features like third-person views. Modding Tools : Developers often use MelonLoader Unity Assets Extractor to modify or rebuild parts of the game. The Future of the Series
ZeoWorks has shifted focus toward a final conclusion to the series titled Slendytubbies: Guardian Collection , which is being developed in
. This upcoming title is intended to modernize the mechanics found in the original ST1 and ST2. Slendytubbies Wiki modding tools used to decompile Unity games like this?
Slendytubbies is a cult-classic horror game series that began as a Garry’s Mod joke before evolving into a standalone fangame. The second installment, Slendytubbies 2 (often abbreviated ST2), marked a significant leap in quality—introducing multiple endings, cooperative multiplayer, and a genuinely unsettling atmosphere built on the Unity engine.
In the modding and fan-horror communities, the phrase “Slendytubbies 2 Open Source” carries specific weight. It refers not to an official release by the original developer (Zeebarf), but to a community-driven or leaked availability of the game’s source code and assets. This write-up explores what “open source” means in this context, the legal and ethical gray areas, and what fans can actually do with the ST2 source.