GemBurst
Puzzle
Match-3 against the clock. Line up three gems or more to burst them: every match adds seconds to the timer, and when it hits zero you are done. Fours create a row or column gem, fives create a bomb: setting those off is what raises the level, and every level adds another colour.
Play GemBurstHow to play
Touch: drag a gem onto its neighbour to swap them. Mouse: the same, by dragging. Keyboard: P or Esc pauses, Enter or Space resumes and replays, M turns sound on and off. The two buttons at top right open the rules and toggle sound, which starts off and remembers your choice.