You can merge each set of 3 equal numbers. Try to get to 243 (3 x 81) in this way!  Credits to hgentry.

Arcade

2048

243 is an excellent 2048 game that you can enjoy here in your browser, free of charge. The game is unblocked. The game is powered by HTML5 to work in all modern browsers. 243 has been played by 67,331 people and has been rated 8.2 / 10 by 310 people. If you like the game, try out our other 2048 games or <a href='https://www.crazygames.com/game/niner' target='_blank'>Niner</a> and <a href='https://www.crazygames.com/game/4096' target='_blank'>4096</a>.

243

Walkthrough