Portal-2 -

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

In co-op mode, you can use text chat by pressing the "T" key to type messages directly to your partner. portal-2

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. The game uses game_text entities within the Hammer