Classic
Original rules of the base game.
Logic / 9 modes
Color Lines
Make room for possibilities. Line up five matching balls.
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One game. Several approaches.
Squares
Form matching 2×2 squares instead of five-in-a-row lines.
Hex lines
Six neighbors and three line axes; odd rows are offset to the right.
Groups
An orthogonally connected group of five matching balls clears, without requiring a straight line.
Numeric lines
Three or more connected equal ranks merge into the next rank at the lowest-index cell. Cascades continue until stable.
Directed board
Vertical movement is bidirectional; zero-indexed even rows lead right and odd rows lead left.
Wrapped board
Movement and lines continue across opposite edges. Each matched cell scores once.
Planning
Survive 20 waves. Colors and spawn-cell priorities are visible; occupied cells use the next reserve position.
Energy lines
Moves cost shortest-path distance; spawning follows energy thresholds.