Galaxian 2
... that handheld video game Galaxian 2, released in 1981, is titled as such not because it is a sequel to Galaxian, but because it has a two-player mode?
... that handheld <a href="./Video_game" id="mwHKI" rel="mw:WikiLink" title="Video game">video game</a> <i id="mwHKM"><b id="mwHKQ"><a href="./Galaxian_2" id="mwHKU" rel="mw:WikiLink" title="Galaxian 2">Galaxian 2</a></b></i>, released in 1981, is titled as such not because it is a sequel to <i id="mwHKY"><a href="./Galaxian" id="mwHKc" rel="mw:WikiLink" title="Galaxian">Galaxian</a></i>, but because it has a <a class="mw-redirect" href="./Two-player_video_game" id="mwHKg" rel="mw:WikiLink" title="Two-player video game">two-player mode</a>?