Play somebody’s game
Definition 1 of 1
Pro Tip 1/3Strategic Manipulation
Used when someone is being manipulated or coerced to suit another’s strategy or plan. 
The salesman tried to make us play his game, but we stuck to our budget.
Pro Tip 2/3Peer Pressure
Often used in social contexts where conforming to others' expectations may lead to self-compromise. 
At the party, I felt pressured to play their game and ignored my own comfort.
Pro Tip 3/3Power Dynamics
Implies a power struggle, where one party tries to dominate or control the situation. 
I refused to play his game and give him the satisfaction of control.