Crystal Diamond

Crystal Diamond is a 2D game about collecting diamonds, and every piece on its board is one. Lining up three or more identical diamonds clears them from the grid and adds to your score.

The swap is a single motion. You press on a diamond, drag it onto the one beside it, and let go, and the release is what completes the match. According to the developer the puzzles become harder as you move up through the levels, and each one needs a bit of careful thought before you commit. Special power-ups are mentioned as well, although their names and effects are not given, and sound effects accompany the action.

The frame is tall and narrow at 720 by 1320, closer to a phone screen held upright than to a desktop window. The stated aim is to gather every diamond and finish as the top scorer.

Click a diamond, or tap it on a touch screen, to select it. Keep holding and drag it onto a diamond directly next to it. Let go, and the two trade places; if that leaves three or more identical diamonds in a line, they are cleared and you score. Work through the levels this way, one swap at a time.

Nothing happens until you release, so you can line the drag up carefully before letting go. The developer says each level is harder than the one before, which makes it sensible to look over the whole board before every swap rather than taking the first match you spot. Watch for power-ups appearing as you play.

A swap match-3 with diamonds as the only piece type, set in a tall portrait frame (720 by 1320). Mouse and touch are both described. The number of levels is not stated.

Jewel Blaster is another score chase built on combos and chain reactions, and Gem Legends asks for matches of four or five to create special power gems.