Is there a language filter on Modern Warfare 2?

Yes, there is a language filter on Modern Warfare 2. To enable the language filter, follow these steps:

1. Open the Activision/Blizzard Battle.net launcher.

2. Go to the "Settings" menu.

3. Select the "Game Settings" tab.

4. Locate the "Language Filter" section and select the desired language filter settings.

5. Click "Save" to apply the changes.

You can choose to filter out any language that you do not understand or find offensive. The filter will apply to all text chat in the game, including both public and private messages.