Here is the full list of all 29 FourChords Guitar Karaoke achievements.
Play 500 songs
Play 50 Pop songs
Play 50 Country songs
Play 15 Country songs
Play 100 songs
Play 5 songs between 5am and 9am
Play 50 Rock songs
Play 15 Pop songs
Play 5 songs with B chord
Play 5 songs with Dm chord
Play 5 songs with E chord
Play 5 songs with Bm chord
Play 5 Country songs
Watch 5 Justin chord videos
Play 5 songs with F chord
Play 5 Pop songs
Play a song with one string method
Watch a Justin chord video
Play 5 songs with Am chord
Play 20 songs
Play 5 songs with A chord
Play 15 Rock songs
Play 5 songs between 10pm and 2am
Play 5 songs with Em chord
Play 5 Rock songs
Play 5 songs with D chord
Play 5 songs with G chord
Play 5 songs with C chord
Play three songs