noun
casual game; simple game; small-scale game
A video game or mobile game with simple rules, easy to pick up and play in short sessions. Often contrasted with hardcore or complex games.
通勤中にカジュアルゲームで暇をつぶす。
I kill time with casual games during my commute.
このカジュアルゲームはルールが簡単で誰でも楽しめる。
This casual game has simple rules and anyone can enjoy it.