I've always been a big fan of Rory O'Connor and Hub Games. They've made some impactful games such as Holding On, a game about palliative care, and Story Cubes.

They are leading a fundraiser for the Turkey-Syria Earthquake and giving away games:
https://fight-for-hope.myshopify.com/?fbclid=IwAR25IUlf6ZaGmzt5R78lF23FXr820cF7JiMX6eyIT5K8u9feoU6EoShQAz8