Gem Swap

Gem Swap — how to play and tips

Gem Swap is a classic match-three puzzle played on an eight-by-eight board of six gem types, each with its own colour and shape so the board stays readable even for colour-blind players. Swap any two neighbouring gems to line up three or more of the same kind. Matched gems vanish, everything above them drops down, and new gems fall in from the top — which often creates more matches automatically, chaining into a cascade.

How to play

Tap one gem, then tap a neighbour to swap them. Or swipe a gem in the direction you want it to move, which is the faster gesture once you know the board and don't need the extra confirmation of a second tap. A swap is only allowed if it actually creates a match — an illegal swap slides the two gems across, visibly, and then snaps them straight back to where they started, so you can always see that the game registered your attempt rather than simply ignoring your tap. Once you're in the middle of a swap or a cascade is resolving, input is locked out until the board settles, so a rushed extra tap can't interrupt an animation or get lost.

Cascades are where the points are

Every chain reaction raises a multiplier, up to 6×, and every gem cleared during a chain step is worth thirty points times that multiplier. A single match of three on its own is worth relatively little; a match that collapses the board and triggers four more matches behind it, one after another, is worth many times more per gem cleared. Look for moves near the bottom of the board rather than the top — clearing low gems drops everything above them through more empty space and is far more likely to set off a genuine chain than clearing gems that are already near the top with nothing much to fall.

Star gems

Line up four or more gems in a single match and a star gem appears in the slot where that match resolved. Star gems look ordinary until they themselves become part of a later match — at which point they detonate their entire row and column at once, clearing far more of the board than the match that triggered them. Setting one off inside a crowded, colour-dense area of the board is the single biggest scoring play available, since it can easily trigger a large cascade of its own from all the gems it exposes.

Two modes

30 Moves is the thinking version — every swap counts against your total, so it rewards patience, scanning the whole board before committing, and planning for cascades rather than making the first legal swap you spot. 90 Seconds is the frantic one, where swaps are unlimited and a countdown clock is the only constraint, so raw speed and pattern recognition matter more than careful planning. Best scores are tracked and saved separately for each mode, so switching between them doesn't overwrite your record on the other.

You'll never get stuck

Two things are guaranteed by how the board is built. The starting board is generated by rejecting any gem colour that would immediately complete a run of three as it's placed, so the game never opens by silently handing you points you didn't earn from a match that was already sitting there. And after every cascade finishes resolving, the board is checked for at least one legal swap remaining anywhere on it; if none exists, the gems reshuffle automatically — keeping the same overall mix of colours — rather than leaving you staring at a dead, unplayable board while your moves or seconds tick away.

Reading the board at a glance

Because each of the six gem types is drawn with both a distinct colour and a distinct shape — circle, diamond, square, hexagon, triangle and five-pointed star outline — you can identify a gem by its silhouette alone, which matters when scanning quickly for matches or playing under time pressure in the 90-second mode. Selected gems pulse gently so you can always confirm what you've picked before committing to a swap, and gems glow briefly as they're cleared so a fast cascade still reads clearly instead of blurring into a single flash.

Why cascades feel satisfying

A cascade in Gem Swap is never a coincidence dressed up as a bonus — it's a direct result of a move you chose, because clearing gems always drops the ones above them into new positions, and those new positions sometimes line up automatically. That's what makes hunting for a move near the bottom of a crowded column worthwhile: you're not just making a legal swap, you're setting up the physics of the board to do more work for you on the very next resolution step. Watching a well-placed single swap ripple into a five- or six-step chain, each one flashing a bigger multiplier than the last, is the core appeal of the genre, and this board is built specifically to make that possible on almost every turn if you look for it.