He thought he had gotten away with it, but his lies were discovered and now the game is up
After weeks of surveillance, the police finally raided the hideout, and for the criminals, the game was up
She tried to pretend she didn't know about the surprise party, but when they sang 'Happy Birthday', the game was up
He confessed to cheating on the exam, realizing that the game was up
The spy's cover was blown by a careless remark, and for him, the game was up
They had been planning the heist for months, but a security camera caught them in the act, and the game was up
She pretended to be interested in his business proposal, but he saw through her act and knew the game was up
The child tried to hide the cookie crumbs, but the tell-tale signs were everywhere, and the game was up
The politician's corruption was exposed by the press, and it was clear that the game was up
He thought he could fool his parents, but they found the evidence, and for him, the game was up
I saw you sneaking that cookie.
Oh no, I guess the game is up.
You thought you could hide it?
He knew the game is up when the police arrived
His deception was exposed, and it was over
Their secret was out; the charade had ended