Number merge

Sliding tile puzzle

From the open-source project 2048

Simple rules, but every move counts on the way to a big number.

Make it mineTry it

“Make it mine” asks you to sign in first. On the Free plan, your copy is your one app; you can delete it any time.
“Try it” opens a copy Tofu keeps online for trying: what you do there stays in your browser.

Made by
gabrielecirulli
Licence
MIT
Popularity
13.4k stars on GitHub
Uses
Just a browser

What you can do

  • Swipe or press the arrow keys to slide all the tiles
  • Matching tiles merge into one worth double
  • Beat your best score, saved in your browser

Who it’s forAnyone who likes a quick puzzle in a spare minute

Once it’s yours

  • Your own copy, at its own address
  • Anyone with its address can open it, until you choose who can
  • Change it with your own coding agent

Ideas for changing it

Once it’s live, give any line below to your coding agent.

  • Make the board 5 by 5 instead of 4 by 4

  • Change the tile colors to soft pastel shades

  • Add an undo button for the last move

Source and licence

It comes from the open-source project 2048: its authors, gabrielecirulli, published the code for anyone to use and change. Its licence covers the code, not the name, so the copy on Tofu goes by a plain name.

Its licence, MIT, lets you use and change it freely, as long as you keep the authors’ copyright notice.

Your copy is the version you copied; the authors’ later updates don’t arrive by themselves.

This version on TofuThe authors’ original code

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