Newegg
32-166-112 Sleeping Dogs: Martial Arts Pack CA, USN82E16832166112Steam
app/202191 Sleeping Dogs: Martial Arts Pack AR, AU, BR, CA, CN, FR, GB, ID, IN, JP, KR, NZ, PH, PL, TR, TW, USapp/215250 sub/18085 Sleeping Dogs: Martial Arts Pack AR, AU, BR, CA, CN, FR, GB, ID, IN, JP, KR, NZ, PH, PL, TR, TW, US