| Problem | Likely cause | Fix | |---------|--------------|-----| | unrecognized version | Wrong Lua version | Detect and use correct tool | | no debug info | Stripped locals/names | Decompiled code has generic names (e.g., _1 , _2 ) | | compressed luac | Stripped or pre-compressed | Try lua-lz or unluac --rawstring | | invalid instruction | Corrupted file or encrypted | Check file header, XOR/obfuscation? | | unluac fails on 5.4 | Newer opcodes | Use --rawstring or wait for updates |
java -jar unluac2023-04-11.jar my_script.luac > decompiled.lua decompile luac
:
00000000: 1b4c 7561 5101 ... (0x51 = Lua 5.1) | Problem | Likely cause | Fix |