Ninjatris is a merge numbers game. You have to merge two same numbers. The numbers are from 1 to 9. When you reach number 9, the whole row is released. The next suggested ninja number can be seen at the bottom of the screen. The game is played by tapping the screen. Enjoy and have fun!!! Ninjatris, merge numbers game, puzzle game, mobile game, math game, matching game, number puzzle, 1-9, brain teaser, fun game, easy to play, addictive, concentration, problem solving, casual game, free game, mobile puzzle