What are the warning signs of video game addiction?

• Preoccupation with the Game. (Thoughts about previous on-line activity or anticipation of the next on-line session.)
• Use of the Game in increasing amounts of time in order to achieve satisfaction.
• Repeated, unsuccessful efforts to control, cut back or stop Game use.
• Feelings of restlessness, moodiness, depression, or irritability when attempting to cut down use of the Game.
• Gaming longer than originally intended. (...)
• Lies to family members, friends, therapists, or others to conceal the extent of involvement with the Game.
• Use of the Game is a way to escape from problems or to relieve a dysphoric mood. (e.g. feelings of hopelessness, guilt, anxiety, depression.)