When game servers go down like gta 5 ect i see some people asking in the chat.So if you would like to check if a game server is running these are the links.
Activision: for cod bo2,ghosts,aw,bo3,mwr,iw https://support.activision.com/
Gta 5: https://support.rockstargames.com/hc/en-us/articles/200426246-GTA-Online-Server-Status-Latest-Updates
Battlefield: https://www.bfstatus.com/
Activision: for cod bo2,ghosts,aw,bo3,mwr,iw https://support.activision.com/
Gta 5: https://support.rockstargames.com/hc/en-us/articles/200426246-GTA-Online-Server-Status-Latest-Updates
Battlefield: https://www.bfstatus.com/