While the file itself is a legitimate tool for decompression in the repacking community, its safety depends entirely on where you downloaded the game. is generally considered safe by the community, but "cls" files from unknown mirror sites or third-party uploaders could potentially be malicious.

: If you downloaded the repack from a verified source like the official FitGirl Repack (check the URL carefully), it is safe. Install "Stuck" at 80-90% : This is usually when cls-magic_x86

: If you trust the source, you may need to add an exclusion for the folder where you are installing the game.

: Often used as a "Magic" marker to see if a register or memory location has been overwritten.