The Stanley Parable
... that the interactive fiction Source engine modification The Stanley Parable was designed to "mess with the player's head in every way possible"?
... that the <a href="./Interactive_fiction" id="mwC1k" rel="mw:WikiLink" title="Interactive fiction">interactive fiction</a> <a class="mw-redirect" href="./List_of_Source_engine_mods" id="mwC1o" rel="mw:WikiLink" title="List of Source engine mods">Source engine modification</a> <i id="mwC1s"><b id="mwC1w"><a href="./The_Stanley_Parable" id="mwC10" rel="mw:WikiLink" title="The Stanley Parable">The Stanley Parable</a></b></i> was designed to "mess with the player's head in every way possible"?