Suika Game and Other Merge Puzzles

What makes a merge puzzle

In a merge puzzle, pieces of the same kind combine into a single piece of the next level. The player's job is to bring matching pieces together while managing a limited space. Three ingredients appear in almost every game of the genre:

• A ladder of levels. Numbers, fruits, tiles or objects that grow step by step, usually with a final goal at the top.
• Limited space. A grid, a board or a box that fills up when merges fail.
• New pieces you do not choose. Something new arrives regularly, and you decide only where it goes.

The tension comes from the fact that each merge frees some space while every new piece takes some. A game lasts as long as the player keeps that balance.

Threes (2014)

Threes, designed by Asher Vollmer with art by Greg Wohlwend, was released for iOS in early 2014. Numbered cards slide across a four-by-four grid. A 1 and a 2 combine into a 3, and from then on two identical cards combine into their sum: 3 and 3 make 6, 6 and 6 make 12, and so on. Every swipe moves all cards at once and pushes a new card onto the board. Threes was praised for its careful design and charm and became the starting point for a wave of similar games.

2048 (2014)

Only weeks later, the Italian developer Gabriele Cirulli released 2048, a free browser game inspired by Threes and by an earlier clone called 1024. Tiles with powers of two slide across a grid, and two equal tiles merge into their sum. The goal is to build a tile with the number 2048. Because it was free, open source and playable in any browser, 2048 spread enormously in 2014 and produced countless variants with letters, pictures and characters instead of numbers.

Merge Big Watermelon (2021)

In January 2021 the Chinese web game Merge Big Watermelon (合成大西瓜) went viral. It changed one fundamental thing: instead of tiles on a grid, it used round fruits that fall into a container under gravity. Merges no longer happen because the player slides a row in one direction, but because fruits collide. Space is no longer counted in grid cells but in the real shapes of the fruits and the gaps between them. Suika Game took this physics-based formula a few months later.

Suika Game (2021)

Suika Game, released by Aladdin X for its popIn Aladdin projectors in April 2021 and for Nintendo Switch in December 2021, keeps the falling-fruit idea and polishes it: eleven fruits from cherry to watermelon, a clear box with a line at the top, gentle art and no time pressure. It became a worldwide hit in 2023, largely thanks to live streamers. The history page tells the full story.

How Suika differs from grid games

Physics instead of rules

In 2048 or Threes the result of every move is completely predictable. If you know the board, you know what will happen. In Suika Game fruits bounce and roll, and a merge pushes its neighbours in ways you can estimate but not calculate exactly. This adds luck and excitement, and it means that skill is about controlling risk rather than solving a position.

One piece at a time

Grid games move every piece with each swipe. In Suika Game you place exactly one fruit per turn, and the rest of the box changes only through gravity and merges. This makes each decision smaller and easier to understand, which is one reason the game is so approachable.

Size as a resource

In grid games every tile occupies one cell, whatever its value. In Suika Game bigger fruits really are bigger. A watermelon fills a large part of the box, and the way sizes grow along the chain decides when merges free space and when they do not. Our fruit guide looks at these sizes in detail.

No moves, no timer

Many merge games limit the number of moves or add time pressure. Suika Game has neither. The game ends only when the box overflows, so the player sets the pace.

What players can transfer between the games

Despite the differences, some strategies carry over. The most famous one comes from 2048: keep your largest piece in a corner and build a descending row next to it, so that merges travel towards the corner. In Suika Game the same corner method works very well, because the walls hold the biggest fruit in place. The habit of planning one move ahead and of not chasing every possible merge is also useful in all merge puzzles. The strategy guide explains how to apply these ideas to falling fruit.

Merge games beyond puzzles

The merge mechanic has also spread to other genres. Mobile games such as Merge Dragons! combine merging with collecting and building, and many casual games use merging as their main progression system. Compared with these, Suika Game is refreshingly pure: there is nothing to unlock, buy or collect, only the box, the fruits and your score.

Try them yourself

If you like Suika Game, the classic grid games are worth a try, and the reverse is true as well. Each version of the idea trains a slightly different skill: exact planning in 2048, careful timing in Threes, and spatial judgement in Suika. You can play Suika Game right now on the home page.