New ballgame and State of affairs

New ballgame noun - A particular situation that is radically different from the preceding situation.

State of affairs and new ballgame are semantically related. In some cases you can use "State of affairs" instead a noun phrase "New ballgame".

State of affairs noun - The general state of things; the combination of circumstances at a given time.

New ballgame and state of affairs are semantically related. Sometimes you can replace phrase "New ballgame" with "State of affairs", this phrases are similar.