Encryption
It’s not really Encryption but anyway, some game data text files are encrypted using Two’s complement. Since it’s used to represent negative values in signed integers, one can simply de-/encrypt it using the sign operator -.
for example in C:
char decrypted = -encrypted;
Encrypted Files
Usualy all files ending with .cod.
- editor.cod
- figuren.cod
- haeuser.cod
- text.cod