If the game ask for serial(CDK) use one theses:

101513-6730-2295-8144-608
101513-6730-2295-173-344
101513-6730-2295-286-286
101513-6730-2295-456-456
101513-6730-2295-47-350
101513-6730-2295-201-456
101513-6730-2295-138-204
101513-6730-2295-323-434
101513-6730-2295-365-602

NOTES (For Mods Pack):
• Contains all mods available as of now.
• You'll have to cross-reference the Workshop file ID with the folder name to
  see which mod corresponds to a folder.
• You can find it in the address bar when browsing a mod page or by copying it
  out via right click+Copy page URL.