The only clues are
Octal embedded in C39.
And
The barcode can be decoded using the number 69.
It is from a game that I am playing and may contain unsutible writen ocntent.
I dobt to bad though.
Wow!
It is late my typing is gettgin bad.
That and reading bar codes all night.
The barcode is in Code 39 (lacking the start and stop symbols) and reads: 16514215514115115404015.
Converted from octal to decimal: 135112972642800768080
I have no idea what the last clue means in this context.