noun
minigame; subgame; microgame
A small, self-contained game within a larger video game, often with its own rules and objectives.
このRPGには、カジノで遊べるミニゲームがたくさんある。
This RPG has many minigames you can play at the casino.
ミニゲームで高得点を
If you get a high score in the minigame, you can receive a rare item.
noun
practice game; reduced-player game
In sports, a practice match or scrimmage, often with fewer players than a full game.
練習の最後に、7人制のミニゲームをやった。
At the end of practice, we played a 7-a-side minigame.
ミニゲーム形式で、パス練習を兼ねた試合をした。
We played a match in a minigame format that also served as passing practice.