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  • 🎉 WE ARE BACK ONLINE! 🎉

    After few days of alot of maintenance and work. We are back online again.

    So you might be wondering what happened?

    After the moving with the servers its been good past few weeks until the day I woke up a week ago the server has been freezing/timing out

    So I ask a Server provider what's happening they were quick to respond and told me one of the SSD have BAD sectors and needs replacing.

    I have been waiting for the past 1 -3 days as they tried to get into the live cd to let me back up all my things but not working, had to do some maintance again to do a memory tests it took a long time, booting into the system I backed up everything and then the next few days was a nightmare fixing and gathering the things I needed and now its back up and running again.

    Thank you to everyone for your support and waiting patiently to get it up and running. Sorry for the inconvenience

    - DoomJoshuaBoy

How to Build Your MUGEN / IKEMEN Collection!

M.U.G.E.N & IKEMEN Roster Architecture Guide

Mastering select.def Configurations, Slot Organization, and Custom Collections

The roster configuration defines the structural playground of your fighting game build. By mastering your system's data files, you can cleanly organize character rosters, group fighters by universe or category, map hidden boss characters, and assign customized stages to specific combatants. This guide covers fundamental registration logic, workspace setup, and how to successfully manage mass roster updates.

1. Mikazuki's Recommended Video Learning Library

To understand exactly how coordinates, text syntax, and directory paths interact inside the engine, follow these sequential walkthroughs to build, scale, and debug your selection grids:

Part 1 • Beginner

Roster Foundations

A step-by-step primer on locating engine data structures, creating directories, and declaring files correctly.

Watch Tutorial →
Part 2 • Advanced

Slot & Grid Layouts

Advanced techniques for assigning custom grid slots, positioning elements, and handling spacing variables.

Watch Tutorial →
Part 3 • Debug

Troubleshooting Errors

Isolating syntax errors, identifying broken path hooks, and tracking down files that cause system crashes.

Watch Tutorial →

2. Core Directory Infrastructure

Every single roster choice on your selection grid is powered by a central map file located inside your game environment:

📄 DATA/SELECT.DEF (The Master Index) This text document handles your active characters and stages. The engine parses this file line-by-line. If a character folder name, main definition file path, or stage text block contains even a single typo, the launcher will error out immediately. It uses a straightforward registration syntax: ; Format: character_folder_name/character_file.def, stages/custom_stage.def
Kyo_Kusanagi, stages/Esaka_Stage.def

3. Customizing Pre-built Game Collections

Many creators choose to download massive, pre-configured community builds (like Jump Force MUGEN or compilation engines) to use as a foundations. If you want to modify, add, or remove characters from an existing build, pay close attention to this structural workflow:

  • Audit the Original Select Map: Before deleting or replacing files, open the game's native select.def file. Analyze how the original author structured their character tiers, hidden boss configurations, and spacing parameters.
  • Clean Asset Removal: To completely wipe a fighter, remove their directory lines from the selection script, and safely delete or archive their character package out of the engine's chars/ directory to free up build storage.
  • Adding Custom Tiers: When introducing new characters to the bundle, inject their folder configurations cleanly into empty grid slots or replace existing placeholder profiles while maintaining the underlying resolution metrics.

4. Detailed Text-Based Guides

If you need an explicit, step-by-step structural checklist to follow alongside visual guides, consult this community documentation:

📖 Instructables: How to Build Your Own MUGEN Roster A thorough, beginner-friendly text breakdown covering path creation, asset deployment, and standard grid populating methods.
Open Guide →

Experiencing "Can't Open File" Errors or Selection Screen Crashes?

If the engine throws a black screen, skips character portrait assets, or fails to launch entirely after registering a file—drop your select.def string below and our technical support staff will trace the error!

  • Published
    Jun 20, 2026
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