: To make translated text appear as if it is part of the game’s UI (like signs or player menus), subbers use a feature called "clipping" . This allows translated text to stay "behind" in-game objects or only appear when specific pixel layers are visible, maintaining the "Virtual Reality" immersion.
: When Kirito reacts to Klein later in that scene, Netflix translates his thought as "Over the top," while Crunchyroll translates it as "Give me a break" . Sword Art Online (2012) subtitles
For a deeper look at the secrets and development of the series, check out this video on SAO facts: : To make translated text appear as if