Modern backup.

[kuzmi4]

Individually for each user backup game custom files (without base files) on local machine, ftp, or online service storage like Amazon

[LFA]

way ahead of you

[steam.roy]

Sounds good, i ended up coding done for v1 that would backup to remote ftp server expect for the files listed in a backupException.ini and allow users to download there backups. While it was very limited and only used in our dev environment.