How to play Clicker Knights vs Dragons?

Just tap quickly to attack enemies
One Line
Snakes
Spider Solitaire
Connect
Cowboy
Cowboys
Flappy Bird
Geometry Dash Lite
Solitaire
Solitaire Klondike
Klondike
Temple Run 2
Escape Game
Mathematics
Hill Climbing
Mahjongg Solitaire
Switch
Mahjong Connect
Mahjong
Soccer
Crossy Road
Extreme Car Driving Simulator
Space Invaders
TicTacToe
Tic Tac Toe
Freecell Solitaire
Draw In
Sudoku
Cars Racing
Fish