Roms .wua ^new^ Jun 2026

aaru create --read-drive /dev/sr0 --output mydisc.wua

You need (cross-platform CLI). Download: aaru.app

: Instead of managing hundreds of files in a "Loadiine" folder, you have one clean file per game. [3] roms .wua

: Because the emulator reads from one compressed archive rather than searching through thousands of tiny files in a folder, library scanning and initial boot times are often improved. [3] How to Create .WUA Files

Would you like a practical example converting a specific system’s ROM (e.g., SNES, PS1) into .wua and using it? aaru create --read-drive /dev/sr0 --output mydisc

The file extension refers to the Wii U Archive format, a modern compression standard developed specifically for the Cemu emulator. It is designed to simplify library management by consolidating a base game, its updates, and all DLC into a single, losslessly compressed file. Key Advantages

.wua is not the same as .wad (Wii) or .wbfs (Wii). Do not confuse. [3] How to Create

| Format | Compression ratio (typical) | Emulator support | Archival grade | |--------|----------------------------|------------------|----------------| | .wua | High (LZMA) | Low | ✅ Very high | | .chd | High (lossless for data) | High (MAME, RetroArch) | ✅ High | | .rvz (Dolphin) | High | Very low (Dolphin only) | ❌ Medium | | .7z + raw | Max (solid) | Very low (must extract) | ✅ High (if keep raw) |

aaru info rom.wua