noun
roller game; roller derby
A type of roller derby competition, often referring to a specific format or event.
彼女は週末にローラーゲームの試合を観に行った。
She went to watch a roller game match over the weekend.
Variant with a middle dot, sometimes used for clarity.
ローラーダービー is the more general term for roller derby, while ローラーゲーム refers to a specific type or event within the sport.
Loanword from English 'roller game'.