This remedy may appear to be simple, yet it may be all you require. Steam and other gaming platforms are built to perform as expected. However, they may occasionally encounter a little issue that can be readily remedied by restarting the computer.
Restart Your Computer
Restart your computer and try to play the game again. Check to see if that helps. If there isn't a difference, move on to the next option below.
Check to see whether the game server is down.
It's possible that server troubles are causing your game to launch but not play. It's possible that the server is undergoing maintenance and is unavailable. Wait a while — a few hours or a day – and then try again. it will work this time.