If your version of Call of Duty: Black Ops II is stuck in a language like Russian or Polish, you can manually apply an English language pack by swapping specific game files. Community-provided packs, often referred to as "English Language Pack .21," typically contain the necessary localization and zone files to override regional locks Manual Installation Guide Backup Your Files Navigate to your game installation folder (usually
C:\Program Files (x86)\Steam\steamapps\common\Call of Duty Black Ops II localization.txt files to a separate folder as a backup Steam Community Replace Zone Files folder in your game directory Delete the folder named after the current language (e.g., Extract your English language pack and drag the folder into the Update Localization Settings localization.txt file in the main game directory Replace it with the localization.txt from your English pack
If you don't have a replacement file, open the existing one in Notepad and change the first line from your current language (e.g., Rename Sound Files (If Needed) folder in your game directory Search for files with the current language tag (e.g., .russian.sabs .polish.sabs Rename these files by replacing the language tag with (for example, change cmn_root.polish.sabs cmn_root.english.sabs Verify via Steam (Official Version Only) Right-click the game in your Steam Library and select Properties tab and ensure is selected Call Of Duty Black Ops 2 English Language Pack.21
. Steam may download additional files to complete the switch. Troubleshooting Common Errors "R_RegisterFont" Error: This usually means localized_english_*.iwd
files are missing or corrupted. Re-verify your game files or ensure the pack you downloaded is complete Steam Community Settings Reset: If your version of Call of Duty: Black
Unlike modern Call of Duty titles which use on-demand texture streaming and unified language selection, Black Ops 2 (2012) on PC (Steam) ships with region-locked depots. The “English Language Pack” is not merely a subtitle file; it contains:
Why “21”?
In SteamDB, the base game depots are numbered (e.g., Depot 202970 for base content). Language packs are separate depots. Community references to “English Pack 21” likely point to a specific manifest ID (e.g., Manifest 6392806185508494455) or a depot revision that fixes audio desyncs from earlier versions. The exact number varies by update branch (MP, Zombies, campaign). Full voice-over audio (SP campaign + MP announcers
Cause: The .21 pack you downloaded is corrupt or missing the mp_hijacked.ff English localization.
Fix: Re-download the pack from a verified source. Check file sizes with MD5 hashes if available.
| Component | Format | Bitrate/Sample Rate | Notes | |--------------------|----------------|----------------------|-------| | Speech (campaign) | Wwise .wem | 48 kHz, ~192 kbps | Encoded with Wwise 2011.3 | | Announcer (MP) | .wem loop | 44.1 kHz, 96 kbps | Dynamic pitch variation | | UI Textures | .dds (DXT5) | 1024x1024 max | Stored in .iwd archives | | Script Strings | .csc (binary) | N/A | UTF-16 LE, null-terminated |