Accessibility in Gaming Resources - information - a Google Doc by Jennifer Kretchmer with a great collection of resources about making games (both digital and physical) more accessible and less violent and oppressive towards Disabled people.
How to be an Ally for People with PTSD - information - this article is a decent introduction to the lived experiences of those enduring the aftereffects of trauma. While it has a lot of great suggestions, please keep in mind the single most important one: every person who has survived trauma is unique and different. We may all want and need different things, and that may change over time. When trying to support trauma survivors, defer to their needs and preferences, always, not just what's on a checklist somewhere on the internet - and be prepared to adapt and change alongside them.