1) Absorbed 2) American Christian novel 3) Anxiety disorder 4) Besotted 5) Compulsively preoccupied with 6) Concerned 7) Crazed 8) Engrossed 9) Excessively preoccupied 10) Fanatical 11) Haunted 12) Hooked 13) Infatuated 14) Lovesick 15) Not just focused 16) Overcome 17) Overly focused on one thing 18) Paranoid 1) Absorbed 2) Besotted 3) Concerned 4) Controlled 5) Driven 6) Enthusiastic 7) Haunted 8) Hooked 9) Infatuated 10) Possessed 11) Smitten 12) Suspicious 13) Troubled 
(playstyle) See specialist (playstyle).
[adj] - influenced or controlled by a powerful force such as a strong emotion
obsessed 1. Influenced or controlled by a powerful force; such as, a strong emotion. 2. Having or showing excessive or compulsive concern with something or someone. 3. Having or displaying signs of an obsession.
possessed(p) adjective influenced or controlled by a powerful force such as a strong emotion; `by love possessed`