Roblox uses a customized version of Lua (Luau). While traditional unluac might work on older Roblox scripts, modern Roblox scripts require specialized tools designed for Luau bytecode to handle new syntax and bytecode differences. Summary Table Version Support General/Modern LuaDec51 Luau Tools
A game modder named Alex lost the source of a Lua AI script for a strategy game. Only ai.luac remains (Lua 5.2 with debug stripped).
Several legitimate scenarios call for decompiling .luac files:
Roblox uses a customized version of Lua (Luau). While traditional unluac might work on older Roblox scripts, modern Roblox scripts require specialized tools designed for Luau bytecode to handle new syntax and bytecode differences. Summary Table Version Support General/Modern LuaDec51 Luau Tools
A game modder named Alex lost the source of a Lua AI script for a strategy game. Only ai.luac remains (Lua 5.2 with debug stripped).
Several legitimate scenarios call for decompiling .luac files:
