What are they playing?
They're playing table tennis / ping-pong.
What are they playing?
They're playing (ice) hockey.
What is he playing?
He's playing golf.
Which game is this?
It's bowling.
Which sport is this?
It's baseball.
This is a sport in Southeast Asia. Players can only use their feet, knee, chest and head to touch the ball.
Sepak takraw / kick volleyball.
What are they playing?
They're playing volleyball.
Which sport is this?
It's basketball.
Which sport is this?
It's tennis.
This is a game for 2 players, played in a court surrounded by four walls, using rackets and a small rubber ball.
Squash.
This is a game played by 2 teams of people swimming in a swimming pool. Players try to throw a ball into the other team’s goal.
Water polo.
Which game is this?
It's billiards.
Which game is this?
It's table football / table soccer / foosball.
What are they playing?
They're playing badminton.
What is he playing?
He's playing soccer / football.
Which sport is this?
It's (American) football.
This is a game in which teams of players form circles and try to hit other teams with a large ball.
Dodgeball.