About Merge 2048
Merge 2048 is our take on the sliding number puzzle that swept the web in the mid-2010s. The board is a 4x4 grid. Every move slides all tiles as far as they can go in one direction, and when two tiles with the same number bump into each other they fuse into one tile worth double. Keep doubling and you climb from 2 and 4 up through 64, 256, 1024 and finally 2048.
We built our version to feel quick and clean. Tiles glide into place in about a tenth of a second, merged tiles pop, and bigger merges (64 and up) throw off a small burst of colored sparks so you can feel the progress. Every tile value has its own color in our palette, starting with mint and sky blue for the small numbers, moving through violet, coral and amber, and ending with a glowing green 2048. Anything past 2048 turns into a bright white tile.
A few details that make our version different:
- One undo per game. You get exactly one take-back. It reverses your most recent move and restores the score you had before it. Once it is spent, the button greys out until you start a new game.
- Keep going after 2048. Reaching 2048 shows a celebration screen, but you can dismiss it and keep building toward 4096 and beyond.
- Your game is saved. If you close the tab or reload the page, your board, score and remaining undo come back exactly as you left them. Your best score is stored too.
How to play
- The game starts with two tiles on the board.
- Swipe (or press an arrow key or W, A, S, D) to slide every tile in that direction. Tiles move until they hit the wall or another tile.
- When two tiles with the same number collide, they merge into a single tile with the sum. A 2 and a 2 become a 4; two 64s become a 128.
- Each tile can only merge once per move. If a row reads 4, 4, 4, 4 and you slide left, you get 8, 8 rather than a single 16.
- After every move that changes the board, a new tile appears in a random empty square. It is a 2 nine times out of ten and a 4 the rest of the time.
- If you slide in a direction where nothing can move, nothing happens and no new tile appears, so a “wasted” key press costs you nothing.
- The game ends when the board is full and no two neighboring tiles match.
Scoring
Every merge adds the value of the new tile to your score. Here is what the first few merges are worth:
| Merge | Points added |
|---|---|
| 2 + 2 | 4 |
| 8 + 8 | 16 |
| 64 + 64 | 128 |
| 256 + 256 | 512 |
| 1024 + 1024 | 2048 |
Because each new tile’s value includes everything that went into building it, your score climbs faster the bigger your tiles get. A game that reaches 2048 usually lands somewhere above 20,000 points.
Strategy tips
When we playtested, the players who reached 2048 all did roughly the same few things. None of them are secret, but together they turn a lucky game into a repeatable one.
1. Pick a corner and live there
Choose one corner, say the bottom left, and keep your biggest tile in it for the whole game. Most of your moves should be down and left. We wrote a full guide to this in The 2048 corner method.
2. Keep one edge row full
If your bottom row is completely filled, pressing left or right will never pull your big tile out of the corner. Try to keep that row packed with tiles that decrease in value away from the corner, for example 256, 128, 64, 32.
3. Use the third direction sparingly
With a bottom-left corner, down and left are safe and right is usually fine when the bottom row is full. Up is the dangerous move. Only press it when nothing else can move.
4. Build a chain, not a pile
Line tiles up so each one feeds the next: 32 next to 64, 64 next to 128. When the 32 doubles, it merges into the 64, which merges into the 128, and so on down the row in a few moves.
5. Don’t chase small merges everywhere
Merging two 2s on the far side of the board feels good, but it can pull tiles out of shape. Prefer moves that keep your chain in order, even if they score fewer points right now.
6. Save your undo for an emergency
The single undo is most valuable late in the game, when a surprise tile lands in your corner row. Spending it early on a small mistake leaves you without a safety net when it matters.
7. Watch where the new tile lands
After each move, glance at the new 2 or 4. If it lands next to your corner row, plan to absorb it quickly before it blocks the chain.
FAQ
Can I keep playing after I make 2048?
Yes. When the 2048 tile appears, press “Keep going” and the game continues exactly as before. Your score keeps counting, and you can try for 4096.
How does the undo work?
You get one undo per game. It restores the board and score from just before your last move. It also works from the “No moves left” screen, which can rescue a game that ended because of one bad slide.
Is my progress saved if I close the page?
Yes. Your current board, score and remaining undo are saved in your browser and restored when you come back. Your best score is saved too. Clearing your browser’s site data resets both.
Why didn’t a new tile appear after my move?
New tiles only appear when a move actually changes the board. If you press a direction where every tile is already against the wall and nothing can merge, the board stays the same and no tile is added.
Is it possible to get stuck with an empty square?
No. If there is at least one empty square, at least one move is available. The game only ends when all 16 squares are full and no neighbors match.
