Wiktionary
playfield
n. 1 A playing field. 2 The area within which a game (especially a video game) is played.
Usage examples of "playfield".
We make our way out of the zone of our sanctuary to the swirl of life, kingdom of actuality, the playfield of fortune, the polarity of cause and effect.
After our tour of the yard, we walked over to the Wallingford Playfield and had a catch-and-batting session, then it was the zoo, and then another hand-holding walk along nearby Green Lake.
The radically redesigned playfield apparently went against the grain of the company that traditionally has been the most conservative of pinball manufacturers, and after a brief run it was dropped from their line.