Dragon's Crown Pro Announced For PS4 With 4K Resolution And Cross-Play With PS3 And PS Vita - Siliconera
DCUO on PS4 will allow cross-play with PS3 - GameSpot
Helldivers coming to PS4, PS3 and Vita with Cross-Play | Engadget
How Does Cross-Play And Cross-Platform Work In Cold War And Warzone On PS4, Xbox One, PC, PS5 And Xbox One
52 Best Cross-Platform Games for PS3
Games with crossplay on PS3 - cross play games · Crossplayable Games
GTA 5 And Crossplay - Does GTA Online Support Crossplay? - GTA BOOM
Games with crossplay on PS3 - cross play games · Crossplayable Games
Best crossplay games: play with friends across platforms | TechRadar
Portal 2 on PS3 was the only Valve game on console to be cross play and cross progressions with PC via logging into steam on your PS3 and you'd get steam achievements +
Sony: PS3 and PS4 cross-play is 'technically possible' (update) - Polygon
PC/PS4/PS3 CrossPlay Now Available In DC Universe Online; Here's How It Works