CareerCup

Class Cell  {
	---  Responsible Each individual cell of the game board
}
Class Board  {
	--- Class responsible for Drawing Board 
	--- Draw() method with taken NumCol and NumRow as input for 
		Drawing the Board with Cell[][]
}
Class Player  {
	--- Class for mainting Players 
	--- constructor taking Number of players as input for Multi Player support
	--- If no of player is not supplied, then create one player vs Computer
}
Class GameState  {
	--- To keep track of state of the Game
	--- Evaluate() method to check if somebody won the game becasue of a move made 
}

Class Game  {
	--- Responsible for Overrall control of the Game
	--- Keep track the Moves made by Player
	--- GamePlay() method taking care of rotation of players for their respective Turn
}

Putting out these details to the interviewer, you can start discussing what all detaisl are required and
keep evolving the design.

how to understand "multi-player" ?