Substance Painter software is used to paint high-quality PBR textures on a 3d character model.

Game Modding Software – The Tools You Need To Create Mods

Picture this: you just finished your favorite game for the third time, and you’re craving something fresh. Maybe you want to add dragons to a racing game, or turn that zombie apocalypse into a unicorn paradise. That’s where modding software comes in your gateway to reshaping games exactly how you want them.

Whether you’re dreaming of creating the next viral mod or just want to tweak a few settings, having the right tools makes all the difference between spending five minutes installing a mod and three hours troubleshooting why your game won’t start.

What is Modding Software?

Modding software refers to specialized tools designed to modify, enhance, or completely overhaul video games. These programs range from simple mod managers that handle installation and load orders to complex development environments that let you create entirely new content.

Think of modding software as your Swiss Army knife for gaming. Some tools help you install mods created by others, while others give you the power to build your own creations from scratch. The beauty lies in their versatility: you can use basic managers to add a few quality-of-life improvements, or go full mad scientist and reconstruct entire game worlds.

If you’re new to this whole scene, check out my guide on how to start modding games to get your feet wet before diving into these tools.

Mod Managers and Installers

WeMod

WeMod stands out as the most user-friendly entry point into PC game modding. WeMod is the world’s best application for modding thousands of single-player PC games, offering everything from simple cheats to complex gameplay modifications.

WeMod trainer interface with options for unlimited health, stamina, and item spawning.

What it’s used for: WeMod specializes in providing ready-made trainers and cheats for single-player games. It’s perfect for players who want instant access to modifications without dealing with complex installation processes.

✅ Key Features:

  • Automatic game detection across thousands of titles
  • Real-time overlay adjustments while playing
  • Community-tested mods and trainers
  • One-click mod activation
  • Mobile app integration for remote control

Price: Free with basic features; Pro is premium service for WeMod with additional features like precision mods and mobile control

Vortex

Vortex is strictly speaking the replacement for NMM and represents the evolution of mod management from Nexus Mods. This tool bridges the gap between beginner-friendly interfaces and advanced modding capabilities.

Vortex Mod Manager interface showing dashboard, game selection, and quick access tools.

What it’s used for: Vortex handles mod installation, conflict resolution, and load order management for a wide variety of games, making it the go-to choice for intermediate modders.

✅ Key Features:

  • Automatic mod sorting and conflict detection
  • Virtual file system for clean installations
  • Support for multiple game platforms
  • Integrated with Nexus Mods ecosystem
  • Advanced rule-based load ordering

Price: Free, Premium for faster downloads

Mod Organizer 2

Considered the gold standard among serious modders, Mod Organizer 2 takes a different approach by using a virtual file system that keeps your original game files completely untouched.

Install Skyrim mods in MO2 by enabling them in the left pane.

What it’s used for: MO2 excels at managing massive mod lists (1000+ mods) while maintaining perfect organization and conflict visualization. It’s the weapon of choice for modders who want complete control over their setup.

✅ Key Features:

  • Virtual file system prevents game directory pollution
  • Advanced conflict visualization
  • Profile system for different mod configurations
  • Plugin and load order management
  • BSA/BA2 archive handling

Price: Free and open-source

Load Order and Conflict Resolution Tools

LOOT (Load Order Optimisation Tool)

LOOT solves one of modding’s biggest headaches—figuring out which mods should load first. This tool has saved countless hours of troubleshooting and prevented thousands of game crashes.

Install Skyrim mods and sort with LOOT for best load order.

What it’s used for: LOOT automatically sorts your mod load order to prevent conflicts and crashes, especially crucial for heavily modded setups.

✅ Key Features:

  • Automated load order sorting
  • Plugin incompatibility detection
  • Masterlist with thousands of plugin rules
  • Custom rule creation
  • Detailed conflict reports

Price: Free and open-source

xEdit (SSEEdit/TES5Edit)

When you need surgical precision in mod editing, xEdit becomes your scalpel. This powerful tool lets you peer into the very DNA of your mods and make precise adjustments.

xEdit mod editing tool interface displaying plugin and record-level conflict visualization.

What it’s used for: xEdit analyzes, cleans, and edits game plugins, allowing you to resolve conflicts at the record level and create compatibility patches.

✅ Key Features:

  • Plugin cleaning and error detection
  • Record-level conflict visualization
  • Batch processing capabilities
  • Scripting system for automation
  • Master file comparison

Price: Free

Unity Game Modding Frameworks

BepInEx

BepInEx has become the backbone of Unity game modding, providing a robust framework that doesn’t require you to touch original game files a modder’s dream come true.

BepInEx plugin creation using the class library template in Visual Studio for mod development.

What it’s used for: BepInEx enables code injection and plugin loading for Unity games, supporting both older Mono and newer IL2CPP builds.

✅ Key Features:

  • Support for both Mono and IL2CPP Unity games
  • Plugin dependency management
  • Harmony patching integration
  • Configuration system
  • Extensive logging and debugging tools

Price: Free and open-source

MelonLoader

With over 14 million downloads, MelonLoader has proven its worth in the Unity modding community. It’s particularly popular for games where other frameworks struggle.

Melonloader console displays the successful loading of compatible mods for a Unity game.

What it’s used for: MelonLoader provides cross-platform Unity modding capabilities with features designed to bypass common anti-cheat mechanisms.

✅ Key Features:

  • Cross-platform support (Windows, macOS, Linux)
  • IL2CPP and Mono support
  • Built-in anti-cheat bypass features
  • C# scripting support
  • Regular updates and active community

Price: Free

3D Modeling and Asset Creation

Blender

Every aspiring mod creator needs Blender in their toolkit. This powerhouse 3D software has democratized game asset creation by providing professional-grade tools for free.

Blender 3d model of a car being sculpted and textured for a game modification project.

What it’s used for: Blender handles 3D modeling, texturing, animation, and UV unwrapping for creating custom game assets and characters.

✅ Key Features:

  • Complete 3D modeling suite
  • Animation and rigging tools
  • UV unwrapping and texturing
  • Rendering capabilities
  • Extensive plugin ecosystem
  • Game engine export options

Price: Free and open-source

Substance Painter

When you want your mods to look absolutely stunning, Substance Painter delivers professional-quality texturing that rivals AAA game studios.

Substance Painter software is used to paint high-quality PBR textures on a 3d character model.

What it’s used for: Substance Painter specializes in creating realistic textures and materials for 3D models, bringing custom assets to life with incredible detail.

✅ Key Features:

  • Industry-standard texturing workflow
  • Smart materials and masks
  • Real-time viewport preview
  • PBR material creation
  • Extensive brush library
  • Integration with major 3D software

Price: Subscription-based (approximately $20/month)

Audio Editing and Sound Modding

Audacity

Don’t underestimate the power of custom audio in mods. Audacity gives you everything needed to create immersive soundscapes and replace those annoying NPC voice lines.

Audacity audio editing software displaying a multi-track project for game sound modding.

What it’s used for: Audacity handles audio editing tasks like creating custom sound effects, editing dialogue, and converting between audio formats.

✅ Key Features:

  • Multi-track audio editing
  • Extensive effects library
  • Format conversion capabilities
  • Noise reduction tools
  • Plugin support
  • Simple, intuitive interface

Price: Free and open-source

Wwise

For modders who want to create dynamic, responsive audio systems, Wwise offers the same tools used in AAA game development though expect a learning curve steeper than a cliff face.

Wwise audio editor interface for dynamic sound design and environmental audio processing.

What it’s used for: Wwise creates sophisticated audio systems with environmental responses, dynamic mixing, and interactive sound design.

✅ Key Features:

  • Professional audio engine
  • Dynamic sound mixing
  • Environmental audio processing
  • Integration with major game engines
  • Advanced scripting capabilities
  • Real-time parameter control

Price: Free for projects under certain revenue thresholds

Text Editors and Programming Tools

Notepad++

Every modder needs a reliable text editor, and Notepad++ has been the trusty sidekick for script editing and configuration tweaking for years. It’s like the duct tape of modding simple, reliable, and fixes everything.

Notepad++ displaying the contents of the mods.cfg file for Kenshi mod order editing.

What it’s used for: Notepad++ handles script editing, configuration file modification, and general text editing tasks with syntax highlighting for multiple programming languages.

✅ Key Features:

  • Syntax highlighting for numerous languages
  • Find and replace with regex support
  • Multiple document interface
  • Plugin system
  • Macro recording and playback
  • File comparison tools

Price: Free and open-source

Visual Studio Code

When your modding projects grow beyond simple scripts, Visual Studio Code provides a full development environment that scales with your ambitions.

Visual studio code interface displays C sharp source code for advanced mod script editing.

What it’s used for: VS Code serves as a comprehensive code editor and lightweight IDE for complex modding projects, especially useful for scripting and plugin development.

✅ Key Features:

  • IntelliSense code completion
  • Integrated debugging tools
  • Git integration
  • Extensive extension marketplace
  • Terminal integration
  • Multi-language support

Price: Free

Advanced and Low-Level Tools

Cheat Engine

For when you need to peek behind the curtain and see how games really work, Cheat Engine opens doors that developers never intended to be opened. Use responsibly! 😉

Cheat engine interface shows a memory scan to find and alter specific game values.

What it’s used for: Cheat Engine performs memory scanning, real-time value modification, and code injection for advanced modding and reverse engineering.

✅ Key Features:

  • Memory scanner and editor
  • Debugger and disassembler
  • Code injection capabilities
  • Speedhack functionality
  • Trainer creation tools
  • Lua scripting support

Price: Free

HxD Hex Editor

Sometimes you need to edit files at the binary level, and HxD provides the precision tools for when regular editors just won’t cut it.

HxD hex editor is used for binary file editing, showing the hexadecimal view of a file.

What it’s used for: HxD handles low-level file editing, allowing you to modify binary data, analyze file structures, and perform checksums.

✅ Key Features:

  • Fast file handling for any size
  • Search and replace in binary data
  • Checksum calculation
  • File comparison tools
  • Data interpretation views
  • Memory editor capabilities

Price: Free for personal use

dnSpy

Unity games hiding their secrets? dnSpy exposes the code beneath, making it invaluable for understanding how games work and creating compatibility patches.

The dnSpy dotnet decompiler is used to view and analyze the code of a game assembly.

What it’s used for: dnSpy decompiles and analyzes .NET assemblies, crucial for Unity game modding and understanding game code structure.

✅ Key Features:

  • .NET assembly decompilation
  • Code editing and recompilation
  • Debugging capabilities
  • Assembly browsing
  • Search functionality
  • Multiple language output

Price: Free and open-source

Asset Extraction and Specialized Tools

JPEXS Free Flash Decompiler

Flash games might seem like ancient history, but there’s still a treasure trove of browser and mobile titles waiting to be modded. JPEXS brings these games back to life with modern modding capabilities.

JPEXS free flash decompiler interface showing the assets and timeline from a SWF file for modding.

What it’s used for: JPEXS Free Flash Decompiler allows you to view, edit, and modify ActionScript code and embedded assets in Flash-based games.

✅ Key Features:

  • ActionScript decompilation and editing
  • Asset extraction (images, sounds, fonts)
  • SWF file structure analysis
  • Direct editing of Flash elements
  • Export capabilities for various formats
  • Timeline and sprite editing

Price: Free and open-source

AssetStudio

Unity games are everywhere, and AssetStudio is your key to unlocking their hidden treasures. This tool extracts the raw materials you need for your modding projects.

AssetStudio unity asset extraction tool showing a 3D character model from a game's files.

What it’s used for: AssetStudio extracts assets from Unity games, including audio files, textures, meshes, and other game resources for use in external editing software.

✅ Key Features:

  • Unity asset extraction across multiple versions
  • Support for audio, texture, and mesh extraction
  • Batch processing capabilities
  • Asset preview functionality
  • Multiple export formats
  • Regular updates for new Unity versions

Price: Free and open-source

Universal Unreal Engine 4 Unlocker (UUU)

UE4 games often have hidden features just waiting to be unlocked. UUU is like having a master key to the developer’s toolbox.

Universal Unreal Engine 4 Unlocker tool used to inject a DLL file into a game process.

What it’s used for: UUU enables console commands, free camera mode, and other developer features in Unreal Engine 4 games, perfect for modders and screenshot enthusiasts.

✅ Key Features:

  • Console command activation
  • Free camera movement
  • Developer menu access
  • Screenshot and video capture tools
  • Game speed manipulation
  • HUD toggle functionality

Price: Free

Game Extractor

When you encounter a game with a proprietary archive format that nothing else can open, Game Extractor comes to the rescue with its massive format support.

Game Extractor software previews various texture assets from a proprietary game archive.

What it’s used for: Game Extractor handles asset extraction from over 1,000 different game archive formats, making it invaluable for working with obscure or proprietary game files.

✅ Key Features:

  • Support for 1,000+ archive formats
  • Asset preview capabilities
  • Batch extraction tools
  • Format conversion options
  • Plugin system for custom formats
  • Regular format updates

Price: Free with optional donation

AI-Powered Modding Assistants

ChatGPT

AI has entered the modding scene, and ChatGPT can be your coding buddy when you’re stuck on a tricky script or need to brainstorm mod ideas.

ChatGPT creating mod answers in response to a prompt about changing weapon length in Skyrim SE.

What it’s used for: ChatGPT assists with code generation, debugging, documentation writing, and creative brainstorming for modding projects.

✅ Key Features:

  • Code generation and explanation
  • Debugging assistance
  • Documentation creation
  • Creative idea generation
  • Multi-language programming support
  • Step-by-step tutorials

Price: Free tier available; ChatGPT Plus subscription for enhanced features

ChatGPT creating mod instructions for a Skyrim mod that uses SSEEdit to alter weapon reach.
Part 1 of a ChatGPT-generated guide, detailing how to edit weapon reach in Skyrim with SSEEdit.
ChatGPT creating mod guide shows how to use NifSkope for visual adjustments to a weapon model.
Part 2 of the modding tutorial from ChatGPT focuses on visually adjusting the weapon model using NifSkope.

Google Gemini

Gemini brings Google’s AI power to your modding workflow, offering excellent code analysis and multimodal capabilities for working with different types of content.

Gemini AI assists with Skyrim mod creation by providing foundational steps and ideas.

What it’s used for: Gemini provides coding assistance, content analysis, and creative support for modding projects with strong multimodal capabilities.

✅ Key Features:

  • Advanced code analysis
  • Multimodal content processing
  • Integration with Google services
  • Creative writing assistance
  • Technical documentation help
  • Image and code interpretation

Price: Free tier available; Gemini Advanced for premium features

Claude

Claude excels at understanding complex technical documentation, writing code and can help you navigate tricky modding challenges with detailed, nuanced responses.

Claude AI generates modding ideas for Kenshi, covering new content, gameplay, and quality of life.

What it’s used for: Claude assists with technical writing, code review, complex problem-solving, and detailed analysis of modding documentation.

✅ Key Features:

  • Technical documentation analysis
  • Code review and optimization
  • Complex problem-solving
  • Detailed explanations
  • Long-form content creation
  • Ethical AI practices

Price: Free tier available; Claude Pro for enhanced capabilities

Specialized and Utility Tools

7-Zip

You’d be surprised how much modding involves dealing with compressed files. 7-Zip handles pretty much any archive format you’ll encounter in the modding world.

The 7-zip file manager interface, a crucial tool for handling compressed mod archives.

What it’s used for: 7-Zip extracts and creates compressed archives in multiple formats, essential for handling mod packages and game assets.

✅ Key Features:

  • Support for numerous archive formats
  • High compression ratios
  • Command-line interface
  • File manager integration
  • Encryption capabilities
  • Free and lightweight

Price: Free and open-source

Git

When your mods start getting complex, version control becomes a lifesaver. Git tracks your changes so you can experiment fearlessly and roll back when things go sideways.

The Git version control official download page for downloading the software on any OS.

What it’s used for: Git provides version control for mod development projects, enabling collaboration and change tracking.

✅ Key Features:

  • Distributed version control
  • Branch management
  • Collaboration tools
  • Change tracking and history
  • Merge conflict resolution
  • Integration with platforms like GitHub

Price: Free and open-source

Your Modding Journey Starts Here

Remember, the tools you choose depend entirely on what you want to achieve. If you’re just starting out, begin with user-friendly options like WeMod or Steam Workshop. As you get more comfortable (and inevitably more ambitious), you can graduate to more powerful tools like Mod Organizer 2 and Blender.

The modding community thrives on experimentation and sharing knowledge. Don’t be afraid to try different tools and see what clicks with your workflow. For more detailed guidance on getting started, check out my comprehensive article on what modding is to understand the fundamentals and choose your game before getting deep in these tools.Most importantly, have fun with it! The best mods come from passionate creators who aren’t afraid to break things, learn from mistakes, and try again. These tools are just the beginning your creativity is what transforms them into something amazing.

P.S. Don’t forget to send your mods to me for review, I’ll gladly add them to my collection of best mods which is being updated for each game I’m playing.

Dafy
Dafy

Smashing keyboard buttons since 1999.
My love for RPGs, RTS, Sandbox and MMOs often leads to spending way too much time modding, taking screenshots, editing videos, and messing with game settings. Hope you like my blog! Cya 🙃