(idiomatic, sports) Competing in a game, with a chance of winning.
Synonyms: in the running, in the hunt
(idiomatic) Focused; engaged; serious.
He's seriously doing badly in school right now. He needs to get back in the game, or he's gonna drop out.
Used other than figuratively or idiomatically: in the game.
Source: en.wiktionary.orgIn the Game Boy and Game Boy Color versions, since the Game Boy is in its nature a single player device, the storyline involves Bub looking for "Moon Water" to cure his brother, they are known as Bubble Bobble, and Classic Bubble Bobble respectively. Source: Internet