To help with accessibility or for those without sound, Portal 2 offers closed captions and subtitles. These can be enabled in the Audio tab of the Options menu.
In co-op mode, you can use text chat by pressing the "T" key to type messages directly to your partner.
The game uses game_text entities within the Hammer editor to display floating or view-relative text, such as chapter titles and level transitions. Visual Style & Typography
Уважаемые коллеги!
Пожалуйста, заполните данную форму, чтобы мы смогли оперативно информировать вас о предстоящих мероприятиях portal-2