How to play Yes or No Challenge?

If playing single Use MOUSE and LEFT-CLICK Player 1 Pick W Move left right A D Player 2 Pick UP ARROW Move left right LEFT-RIGHT ARROWS
One Line
Snakes
Spider Solitaire
Connect
Cowboy
Cowboys
Flappy Bird
Solitaire
Solitaire Klondike
Klondike
Temple Run 2
Escape Game
Mathematics
Mahjongg Solitaire
Switch
Mahjong Connect
Mahjong
Soccer
Crossy Road
Extreme Car Driving Simulator
TicTacToe
Tic Tac Toe
Freecell Solitaire
Draw In
Sudoku
Cars Racing
Fish
Kingdom Rush
Tetris
2048