



Mahjong Four Rivers is a tile-matching puzzle game that offers a distinct variation on classic Mahjong solitaire. In this single-player browser game, your goal is to clear the board by pairing up identical tiles.
The unique challenge comes from the connection rule: a valid pair must be linkable by a line that makes no more than two 90-degree turns without crossing over other tiles.
Unlike traditional Shanghai Mahjong where you match open pairs, Mahjong Four Rivers introduces a line-of-sight mechanic. To remove a pair of identical tiles, you must be able to draw an imaginary line between them.
This line can't have more than two bends, and the path must be completely clear of any other tiles.
This rule changes the entire dynamic of the game. You're not just looking for exposed tiles on the edges; you're constantly scanning the entire layout for clear pathways.
A tile in the middle of the board might be matchable with one on the opposite side, as long as a valid path exists between them.
Success in Mahjong Four Rivers requires a different approach than other Mahjong variants. Start by scanning for the most obvious pairs - those that are right next to each other or separated by a simple empty space.
These are the easiest to clear and will open up the board.
Next, focus on clearing tiles that are blocking potential pathways. Removing a single, strategically-placed tile can suddenly create multiple new matching opportunities across the grid. It's often better to make a match that clears a bottleneck than one that is simply convenient.
If you get stuck, use the hint or shuffle options, but be aware they are often limited.
Mahjong Four Rivers takes the timeless appeal of Mahjong tiles and combines it with gameplay more akin to a connection puzzle. This blend makes it feel both familiar and fresh.
The game typically features a timer, adding a sense of urgency to each level and rewarding quick thinking and sharp pattern recognition. It's an excellent brain-training exercise that tests your spatial awareness and planning skills.
You can play Mahjong Four Rivers directly in your web browser with no downloads or installation required. As an HTML5 game, it's designed to run on any modern device.
This makes it easy to enjoy a quick puzzle session on school or work networks where other sites might be restricted.
The goal in Mahjong Four Rivers is to clear the entire game board by matching all identical pairs of tiles before the timer runs out.
Gameplay is controlled entirely with your mouse. Use a left click to select a tile, and then left click on its identical match somewhere else on the board. If the match is valid according to the connection rules, the two tiles will be removed.
A match is only valid if the two tiles can be connected by a straight line that has no more than two 90-degree turns. The path of this line cannot be blocked by any other tiles on the board.
Continue making pairs until the board is empty to win the level.
Scan the Perimeter - The easiest matches are often on the outside edges of the puzzle. Clear these first to simplify the board. Prioritize Bottlenecks - Identify and remove tiles that are blocking the most potential pathways between other tiles.
Look for 'I' and 'L' Shapes - The simplest connections are straight lines ('I' shapes) or lines with one bend ('L' shapes). Train your eyes to spot these patterns first.
Use Hints Sparingly - The hint button is useful when you're truly stuck, but relying on it will prevent you from improving your own scanning skills.
Shuffle as a Last Resort - Shuffling can create new moves, but it completely changes the layout and can make things more difficult. Use it only when you have no other options.