Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Call emergency services if there is an immediate risk of suicide, serious self-harm, violence, or danger to another person.
Stay with the person if it is safe to do so, and move away from weapons or other immediate hazards.
Prompt assessment is important if someone is missing most school or work, staying awake through repeated nights, neglecting food or hygiene, spending money they cannot afford, or becoming increasingly depressed or isolated.
Seek urgent mental health help if there are thoughts of self-harm or suicide, severe agitation, confusion, or behaviour that feels unsafe.
Arrange a routine appointment with a primary care or mental health professional if gaming is repeatedly disrupting sleep, school, work, relationships, self-care, or finances.
It is also reasonable to seek help after unsuccessful attempts to cut down, even if the person is unsure whether the term “addiction” fits.
Every sign above is quoted from the sofidex article on Video game addiction. If you are not sure, err upward — it is always reasonable to be checked.