 Several Ace Attorney games introduce new gameplay mechanics to the series . Justice for All introduces " psyche @-@ locks " , which are shown over a witness when the player asks them about a topic they do not want to discuss ; using a magatama , the player can start breaking the psyche @-@ locks by showing the witness evidence or character profiles that proves they are hiding something . The number of psyche @-@ locks depends on how deep the secret is ; when all locks are broken , the topic becomes available , giving the player access to new information . Apollo Justice introduces the " perceive " system , where the player looks for motions or actions made by witnesses that show nervousness , similar to a tell in poker . 
 Several Ace Attorney games introduce new gameplay mechanics to the series . Justice for All introduces " psyche @-@ locks " , which are shown over a witness when the player <a href='uninflect' title='1'><mark>asks</mark></a> them about a topic they do not want to discuss ; using a magatama , the player can start breaking the psyche @-@ locks by showing the witness evidence or character profiles <a href='null_relcl' title='2'><mark>that</mark></a><a href='uninflect' title='3'><mark>proves</mark></a> they are hiding something . The number of psyche @-@ locks <a href='uninflect' title='4'><mark>depends</mark></a> on how deep the secret is ; when all locks are broken , the topic <a href='uninflect' title='5'><mark>becomes</mark></a> available , giving the player access to new information . Apollo Justice <a href='uninflect' title='6'><mark>introduces</mark></a> the " perceive " system , where the player <a href='uninflect' title='7'><mark>looks</mark></a> for motions or actions made by witnesses <a href='null_relcl' title='8'><mark>that</mark></a>show nervousness , similar to a tell in poker . 
Several Ace Attorney games introduce new gameplay mechanics to the series . Justice fa alll introduces " psyche @-@ locks " , which r shown ova a witness when the player ask them bou a topic they do not want to discuss ; using a magatama , da player can start breaking the psyche @-@ locks by showing the witness evidence or character profiles prove they are hiding somthin . Tdanumber of psyche @-@ locks depend on how deep thdaecret is ; when all locks are broken , thedapic become available , giving the player access to new information . Apollo Justice introduce the daerceive " system , where the pdaer look for motions or actions made by witnesses show nervousness , similar to a tell in poker .