If you own a physical Neo Geo MVS (Arcade), AES (Home Console), or Neo Geo CD, using the BIOS requires a hardware modification.
Obtain the uni-bios23.zip file (ensure it is the correct CRC version). uni bios23 zip
Adds even more advanced features, improved cheat support, and faster loading, but 2.3 remains a rock-solid choice. If you own a physical Neo Geo MVS
While newer versions of the Universe BIOS exist (up to version 4.0), version 2.3 remains a widely distributed file in legacy ROM sets. The core features included in uni-bios23.zip include: While newer versions of the Universe BIOS exist
Change this setting from Default or MVS to . Restart the game content for the changes to take effect. Step 3: Accessing the Menus In-Game
If you encounter issues while trying to get the BIOS working, check for these common mistakes:
Access a built-in cheat engine for infinite lives, health, or secret character unlocks. Significance of Version 2.3