Mahjong Slide Puzzle is a connect-style, sliding-tile logic-puzzle game. It features classic green-backed ivory Mahjong tiles across two modes displayed face-up on a gradient dark teal tabletop. The player's goal is to flip every tile into a face-down position. They can only flip matching pairs.
In Lv. Mode, the player must flip all tiles before they run out of moves to unlock the next level. In Daily mode, they must flip the tiles before time runs out to reveal new puzzles.
When a pair of matching tiles rests in adjacent positions, they flip the pair by selecting one tile. A red connecting line appears, and the tiles flip over to display the green backs. When the tiles have non-adjacent positions, the player must use the gaps between face-up tiles created by the green backs to slide tiles into new positions. They must create either an adjacent alignment or bring two matching tiles into an unobstructed connect-style layout across a gap.
Mahjong Slide Puzzle randomly presents difficulty surges that increase the number of overall tiles and reduce the number of adjacent matches. The player can offset this challenge with three tools below the face-up tiles that allow them to shuffle all tiles, remove pairs with one button, and reveal pair hints. After they access these tools, they must view ads for continued access.