In short, refers to a pirated, repacked, fully updated version of the game with all DLCs unlocked, distributed by scene groups for users who do not own a legitimate copy.
CorePack is a community known for "repacking" games—compressing the original game files to significantly reduce the download size, making it easier for users with slower internet connections to acquire the game. dead or alive 6 update 120 codex corepack
If you actually own DOA6 on Steam but hate the DLC pricing, do not use Corepack. Instead: In short, refers to a pirated, repacked, fully
This move was widely condemned by fans and reviewers, leading Team Ninja to eventually apologize and refund tickets in a later version (1.21a). CODEX and CorePack Involvement Instead: This move was widely condemned by fans
For many unofficial releases, you can change the language (including English or Japanese audio) by editing the steam_emu.ini file and modifying the Language= line.
The "Update 120" and "Codex Corepack" you're mentioning seem to relate to specific patches and updates for the game. Here's a brief overview: