1. Constantly thinking about or preoccupied with the Internet games they used to play.
2. I feel nervous, anxious, or sad when I am not playing online games.
3. Spending more and more time playing online games.
4. I have tried to control my Internet gaming, but have not been successful.
5. Internet gaming has made me less interested in other hobbies or recreational activities that I used to enjoy.
6. I continue to play too much Internet gaming even though it is causing problems in my life.
7. I have lied to my family, therapist, or others about the amount of time I spend playing online.
8. I use internet gaming to relieve or avoid negative emotions.
9. I have jeopardized or lost important relationships, jobs, or educational or career opportunities due to excessive internet gaming.