If you are using a standard Ikemen GO installation, you may need to manually enable the larger team sizes:
Running 16 characters at once is hardware-intensive. Players often encounter "crashtests" where the engine may struggle if too many high-resolution characters are used at once.
To achieve 8v8 gameplay, you typically need to use a specific build or modify the engine's configuration files. You can find pre-configured builds on community hubs like the AK1 MUGEN Community . Manual Configuration (Ikemen GO) mugen 8v8 patch
Players can swap between eight different fighters or have them all active as AI-controlled allies. How to Install and Enable 8v8
The 8v8 patch is primarily an implementation for , an open-source clone of the MUGEN engine designed for modern features like online play and expanded team sizes. While traditional MUGEN 1.0 or 1.1 can sometimes be hex-edited for 3v3 or 4v4, true 8v8 stability is almost exclusively found in specialized builds of Ikemen GO. Key features of this patch include: If you are using a standard Ikemen GO
Ensure your system.def (found in the data folder) has enough character slots and a layout that supports 8 health bars per side. Gameplay Mechanics and Performance
Some versions introduce affinity bonuses, where characters from the same series gain buffs to health or damage when paired together. You can find pre-configured builds on community hubs
Open your save/config.json file. Find the NumTag settings and change the maximum team size to 8 .