The phrase "beat the game" means to complete a game or task successfully. Some antonyms for this phrase include "fail the game," "lose the game," or "give up on the game." These words denote an unsuccessful attempt to complete the task or game, often resulting in frustration or disappointment. Another antonym could be "quit the game," which suggests the individual voluntarily ending their attempt to complete the game. These antonyms highlight the fact that success and failure are two sides of the same coin and that accomplishing a task requires commitment, perseverance, and resilience in the face of defeat.