this is a good site for safe free online games if you need a moment or two to distract through a rough time. It was passed on to me by my T after she read a study about how non-triggering video games can help PTSD veterans get through tough moments of being flooded.
http://www.ferryhalim.com/orisinal/one other game for quad tetris
http://onemorelevel.com/game/quad_tetrisjust passing it on