M Network
... that with titles such as 1983's Kool-Aid Man, Mattel's M Network was an early developer of "promogames"?
... that with titles such as 1983's <i id="mwCqM"><a href="./Kool-Aid_Man_(video_game)" id="mwCqQ" rel="mw:WikiLink" title="Kool-Aid Man (video game)">Kool-Aid Man</a></i>, Mattel's <b id="mwCqU"><a href="./M_Network" id="mwCqY" rel="mw:WikiLink" title="M Network">M Network</a></b> was an early developer of "<a class="mw-redirect" href="./Promogame" id="mwCqc" rel="mw:WikiLink" title="Promogame">promogames</a>"?