Credited names: Bandai

Oldest to newest, including sub-studios. Releases with unknown years appear last.

1. 2002

   • .hack//Infection

     Bandai (publisher)

   • .hack//Mutation

     Bandai (publisher)

   • .hack//Outbreak

     Bandai (publisher)

   • Digimon World 3

     Bandai (developer), Bandai (publisher)

2. 2003

   • .hack//Quarantine

     Bandai (publisher)

3. 2005

   • .Hack//Frägment

     Bandai (publisher)