Healing Gardens: Leveraging Serious Games to Deliver Accessible Pain-CBT and Pharmacologic Support for Patients With Advanced Cancer Managing Pain

Inclusion Criteria: * Age ≥ 18 years * Patient is diagnosed with a locally advanced or metastatic solid tumor malignancy, either undergoing active treatment or receiving treatment for an advanced cancer or are receiving supportive/palliative care at DFCI * Chronic pain related to cancer or treatment (\> pain score of 4 on a 0-10 scale on average over the past two weeks, Numeric Rating Scale) * Own/use a compatible device (e.g., smartphone, laptop) Exclusion Criteria: * Patients in survivorship: patients who have completed their treatment regimens, are not actively receiving curative or palliative treatment for an advanced cancer, or have a cancer that is in remission * Cognitive impairment that would interfere with study participation, as judged by the treating clinician (e.g. delirium, dementia) * Inability to speak English (the intervention has not yet been translated to other languages) * Enrolled in hospice * Currently hospitalized * Pain primarily related to a recent surgery (within the last 2 weeks) * Conditions that hinder device use (e.g., vision impairment) * We will exclude adults who are unable to consent, individuals who are not yet adults (infants, children, teenagers), pregnant women, and prisoners.