Game
Play, Sport
noun, verbal noun
You play and play all day! What do you play? A game! Or a sport! Which are technically games!
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
園児たちが音楽にあわせて遊戯をしています。
The kindergarteners played along to the music.