Wisps
... that Wisps, creatures in the Sonic the Hedgehog video games, were added to Sonic Colors as power-ups so that the player would not have to switch characters to experience varied gameplay?
... that <b id="mwDPQ"><a class="mw-redirect" href="./Wisp_(Sonic)" id="mwDPU" rel="mw:WikiLink" title="Wisp (Sonic)">Wisps</a></b>, creatures in the <i id="mwDPY"><a class="mw-redirect" href="./Sonic_the_Hedgehog_(series)" id="mwDPc" rel="mw:WikiLink" title="Sonic the Hedgehog (series)">Sonic the Hedgehog</a></i> video games, were added to <i id="mwDPg"><a href="./Sonic_Colors" id="mwDPk" rel="mw:WikiLink" title="Sonic Colors">Sonic Colors</a></i> as <a href="./Power-up" id="mwDPo" rel="mw:WikiLink" title="Power-up">power-ups</a> so that the player would not have to switch characters to experience varied gameplay?