You need to win the best of three games at 21 points to gain a win in the Badminton game.
A gain of 2points
For the first 2 games a team has to get 25 points, In the last game (tie breaker) a team has to get 15 points. In most situations you have to win by 2 points.
To beat Naughty Doctor, much like any other game, you need to gain the most points in the most efficient manner. Points can be gained in many matters. The game will provide you with hints and also has a help section.
3
Depends on the game. Some have points, but others don't.
3 points
3 points when you win
2.5 points per game
2 points
there is no points loss for not wearing a seat belt
800 points in each mini game.
28.9 points a game
22 points