wˈɔːkɚ sˈɛd vˈælv jˈuːzd hˈæflˈaɪf ɡˈeɪmz tuː "sˈɑːlv sˌʌm ˈɪntɹɛstɪŋ kəlˈɪʒən ʌv tɛknˈɑːlədʒi ænd ˈɑːɹt ðæt hæd ɹˈɪɹd ɪtsˈɛlf".
Walker said Valve used Half-Life games to "solve some interesting collision of technology and art that had reared itself".