Modding

Modding on GTAMaps.io

Guide to GTA map modding: tools, file types, MLOs, safe practices and the scene's status across previous Rockstar titles.

38 articles

GTA 6 Map Modding Guide: What to Expect
Modding

GTA 6 Map Modding Guide: What to Expect

GTA 6 map modding isn't a thing yet, but it's fairly easy to see where it's heading. This is the realistic roadmap for GTA 6 modding toolchains, what to learn now, and where the community will end up.

8 min read
GTA 6 Roleplay Server Map Guide
Modding

GTA 6 Roleplay Server Map Guide

The RP community created full-fledged parallel universes within GTA 5's Los Santos. GTA 6 will receive the same treatment - only larger in scale, denser, and starting with a much better foundation. This is what the RP server map scene will look like when the toolchain releases.

8 min read
GTA 6 PC Release and the Future of Map Modding
Modding

GTA 6 PC Release and the Future of Map Modding

Console first, PC later, then mods trickle in after that. That's how it's been with every Rockstar title these past few years. Here's what that means for GTA 6 modding.

8 min read
What is an MLO? GTA Map Modding Glossary
Modding

What is an MLO? GTA Map Modding Glossary

"MLO" is one of the most misused acronyms in the GTA modding community. What does it actually stand for, where did it originate, and why should you care about it for GTA 6?

5 min read
OpenIV: A History
Modding

OpenIV: A History

OpenIV is the editor that launched the modern GTA modding scene. Here's its history - including the 2017 Take-Two cease-and-desist that nearly killed it.

9 min read
CodeWalker: An Editor That Defined the Scene
Modding

CodeWalker: An Editor That Defined the Scene

CodeWalker is the visual editor that allowed serious GTA 5 map mods to become reality. This is a brief introduction to what it does and why you should care.

7 min read
What Is a YMAP File? GTA Map Modding Glossary
Modding

What Is a YMAP File? GTA Map Modding Glossary

YMAP files are one of the first file types every GTA mapper learns about. Here's a short glossary entry on what they do and why they matter.

4 min read
YMT Files Explained
Modding

YMT Files Explained

YMT files contain metadata the GTA engine uses to interpret models and animations. A short glossary entry.

3 min read
YDR Files Explained
Modding

YDR Files Explained

YDR is GTA V's drawable model format - the file that contains the actual 3D model. A short glossary entry.

3 min read
FiveM MLOs Explained
Modding

FiveM MLOs Explained

FiveM MLOs operate differently from regular single-player MLOs. A simple explanation of the differences.

5 min read
What Modding Tools Are Likely for GTA 6
Modding

What Modding Tools Are Likely for GTA 6

What modders can and can't expect from the GTA 6 toolchain. Clearly framed speculation.

7 min read
Will There Be a FiveM for GTA 6?
Modding

Will There Be a FiveM for GTA 6?

FiveM was essentially the alternative multiplayer that made the GTA 5 RP scene exist. Whether something similar can come about for GTA 6 depends on Rockstar's choices.

7 min read
RAGE MP and GTA 6
Modding

RAGE MP and GTA 6

RAGE MP was GTA 5's second-largest alternative multiplayer. Where it fits into GTA 6's future is what this piece outlines.

5 min read
What to Expect from GTA 6 RP Servers
Modding

What to Expect from GTA 6 RP Servers

RP will be in GTA 6. When, in what format, and at what quality level - all very guarded statements here.

7 min read
RP Mapping Overview: How RP Servers Use Custom Maps
Modding

RP Mapping Overview: How RP Servers Use Custom Maps

RP servers deliver custom locations out of the box. Here's how the RP mapping process works as a sub-discipline.

6 min read
Custom Locations Common to RP Servers
Modding

Custom Locations Common to RP Servers

RP servers differ, but a handful of custom locations show up on nearly every server. Here's the default pack.

5 min read
Why GTA IV Modding Faded
Modding

Why GTA IV Modding Faded

Why GTA IV's modding scene didn't grow like V's: an honest look.

5 min read
A Timeline of GTA Modding
Modding

A Timeline of GTA Modding

Timeline from 1997 to the present - tools, takedowns, total conversions.

9 min read
MLOs in GTA 6: A Likely Future
Modding

MLOs in GTA 6: A Likely Future

Assuming the GTA 6 toolchain develops like V's did, MLOs will be one of the first prominent mod types to expand.

5 min read
Rockstar's Modding Policy and GTA 6
Modding

Rockstar's Modding Policy and GTA 6

The 2017 OpenIV reversal is our clearest indicator yet. Here's how to interpret it.

6 min read
Rockstar's Anti-Mod Policy: Reality vs Reputation
Modding

Rockstar's Anti-Mod Policy: Reality vs Reputation

Rockstar has an anti-mod image. It's not quite that simple. An honest editorial.

6 min read
The History of GTA Online Modding Bans
Modding

The History of GTA Online Modding Bans

Rockstar has consistently cracked down on using mods online. Here's the timeline.

5 min read
Modding Singleplayer vs Online: The Ban Question
Modding

Modding Singleplayer vs Online: The Ban Question

Why single-player modding is generally safe, while modding online usually isn't.

5 min read
GTA Singleplayer vs Online Modding
Modding

GTA Singleplayer vs Online Modding

Single-player and multiplayer modding: different scenes, different objectives, different rules. Here's how they differ.

5 min read
GTA Map Mod File Formats Explained
Modding

GTA Map Mod File Formats Explained

A reference page for YMAP, YMT, YDR, YDD, YBN, YTYP and more. Think of it as a glossary.

6 min read
GTA Safe Mod Installation Practice
Modding

GTA Safe Mod Installation Practice

A practical guide to installing GTA mods safely. It's educational - nothing is hosted for download here.

6 min read
GTA Safe Modding Checklist
Modding

GTA Safe Modding Checklist

An installation safety checklist for anyone planning to install GTA mods.

4 min read
Backing Up Your GTA Game Files
Modding

Backing Up Your GTA Game Files

A step-by-step walkthrough of how to back up your GTA installation before modding.

4 min read
Why Some GTA Mods Are Malware
Modding

Why Some GTA Mods Are Malware

Certain mods spread malware. Here's how the scam operates and how to steer clear.

5 min read
GTA Mod Malware: Warning Signs
Modding

GTA Mod Malware: Warning Signs

Specific red flags to watch for before downloading any GTA mod.

5 min read
The Tools GTA Mappers Actually Use
Modding

The Tools GTA Mappers Actually Use

A tool list for anyone learning the basics of GTA map modding.

6 min read
3ds Max for GTA Map Modding
Modding

3ds Max for GTA Map Modding

Tool overview – what 3ds Max is doing in the GTA modding workflow.

4 min read
Blender for GTA Map Modding
Modding

Blender for GTA Map Modding

The free authoring solution for GTA mapping. Increasingly capable.

4 min read
GTA MLO Creation Process: The Workflow
Modding

GTA MLO Creation Process: The Workflow

An overview of the MLO creation process (not a click-by-click tutorial).

6 min read
GTA 6 Modding Anticipation Cycle
Modding

GTA 6 Modding Anticipation Cycle

Editorial about managing the hype around GTA 6 modding.

4 min read
GTA 6 PC Release Anxiety: Worth It?
Modding

GTA 6 PC Release Anxiety: Worth It?

An emotional-ground article that's also genuinely useful.

4 min read
GTA 6: RP vs Singleplayer Debate
Modding

GTA 6: RP vs Singleplayer Debate

Editorial about what kind of experience GTA 6 should be optimised for.

5 min read
Rockstar's Stance on Roleplay
Modding

Rockstar's Stance on Roleplay

Comparing and contrasting Rockstar's involvement with the RP scene now vs. years ago.

5 min read