I got the chords from ShadowedBass13's bass tab, and transposed them down half a
chord to make them easier to play.

Intro 2x
E F# G F#
E F# F#/A/E/D 

Verse 1
E (022100@1)           F#The (244322@1)secrets inside of me,
G (320003@1)     F#I (244322@1)never let you see,
E (022100@1)       F#I (244322@1)keep it caged  
      F# (244322@1)  A (x02220@1) E (022100@1) D (xx0232@1)But I can't control it.
E (022100@1)      F#So (244322@1)stay away from me,
G (320003@1)          F#The (244322@1)beast is ugly,
E (022100@1)        F#I (244322@1)feel the rage
      F# (244322@1) A (x02220@1)   E (022100@1)  D (xx0232@1)and I just can't hold it.
E (022100@1)             F#It's (244322@1)scratching on the walls,
G (320003@1)             F#In (244322@1)the closets, In the halls,
E (022100@1)       F# (244322@1)       F# (244322@1)  A (x02220@1) E (022100@1) D (xx0232@1)It comes awake and I can't control it.
E (022100@1)      F#Hiding (244322@1)under the bed,
G (320003@1)         F#In (244322@1)my body, In my head.
E (022100@1)           F# (244322@1)          G (320003@1)     
Why won't somebody come and save me from this,
AMake (x02220@1)it end!

Chorus
F#I (244322@1)feel it deep within,
AIt's (x02220@1)just beneath the skin,
G (320003@1)                   F (133211@1)  A (x02220@1)    E (022100@1) DI (xx0232@1)must confess that I feel like a monster.
F#I (244322@1)hate what I've become,
AThe (x02220@1)nightmare's just begun,
G (320003@1)                   F (133211@1)  A (x02220@1)    E (022100@1) DI (xx0232@1)must confess that I feel like a monster.
F# (244322@1)A (x02220@1)G (320003@1)         E (022100@1) F#I, (244322@1) I  feel like a monster.
F# (244322@1)A (x02220@1)G (320003@1)         E (022100@1) F#I, (244322@1) I  feel like a monster.

E F# G F#
E F# F#/A/E/D

Verse 2
E (022100@1)        F#My (244322@1)secrets that I keep,
G (320003@1)          F#Hiding (244322@1)under lock and key,
E (022100@1)        F# (244322@1)       F# (244322@1)  A (x02220@1) E (022100@1) D (xx0232@1)I keep it caged but I can't control it.
E (022100@1)        F#Cause (244322@1)if I let him out,
G (320003@1)               F#he'll (244322@1)turn me up, break me down,
E (022100@1)           F# (244322@1)          GWhy (320003@1)won't somebody come and save me from this
AMake (x02220@1)it end.

Chorus
F#I (244322@1)feel it deep within,
AIt's (x02220@1)just beneath the skin,
G (320003@1)                   F (133211@1)  A (x02220@1)    E (022100@1) DI (xx0232@1)must confess that I feel like a monster.
F#I (244322@1)hate what I've become,
AThe (x02220@1)nightmare's just begun,
G (320003@1)                   F (133211@1)  A (x02220@1)    E (022100@1) DI (xx0232@1)must confess that I feel like a monster.
F#I (244322@1)feel it deep within,
AIt's (x02220@1)just beneath the skin,
G (320003@1)                   F (133211@1)  A (x02220@1)    E (022100@1) DI (xx0232@1)must confess that I feel like a monster.
F# (244322@1)A (x02220@1)G (320003@1)         E (022100@1) F#I, (244322@1) I  feel like a monster.
F# (244322@1)A (x02220@1)G (320003@1)         E (022100@1) F#I, (244322@1) I  feel like a monster.

Bridge
E (022100@1)         F#It's (244322@1)hiding in the dark,
AIt's (x02220@1)teeth are razor sharp,
E (022100@1)         F#There's (244322@1)no escape for me,
   F# (244322@1)     A (x02220@1)      E (022100@1)      DIt (xx0232@1)wants my soul, It wants my heart.
E (022100@1)        F#No (244322@1)one can hear me scream,
AMaybe (x02220@1)it's just a dream,
E (022100@1)             F#Or (244322@1)maybe it's inside of me,
F# (244322@1) A (x02220@1)  A (x02220@1)DStop (xx0232@1)this monster.

Chorus
F#I (244322@1)feel it deep within,
AIt's (x02220@1)just beneath the skin,
G (320003@1)                   F (133211@1)  A (x02220@1)    E (022100@1) DI (xx0232@1)must confess that I feel like a monster.
F#I (244322@1)hate what I've become,
AThe (x02220@1)nightmare's just begun,
G (320003@1)                   F (133211@1)  A (x02220@1)    E (022100@1) DI (xx0232@1)must confess that I feel like a monster.
F#I (244322@1)feel it deep within,
AIt's (x02220@1)just beneath the skin,
G (320003@1)                   F (133211@1)  A (x02220@1)    E (022100@1) DI (xx0232@1)must confess that I feel like a monster.
F#I'm (244322@1)'bout to lose control,
AIt's (x02220@1)something radical,
G (320003@1)                   F (133211@1)  A (x02220@1)    E (022100@1) DI (xx0232@1)must confess that I feel like a monster.
F# (244322@1)A (x02220@1)G (320003@1)         E (022100@1) F#I, (244322@1) I  feel like a monster.
F# (244322@1)A (x02220@1)G (320003@1)         E (022100@1) F#I, (244322@1) I  feel like a monster.
F# (244322@1)A (x02220@1)G (320003@1)         E (022100@1) F#I, (244322@1) I  feel like a monster.