No piece may move to a square occupied by a piece of the same color.

It may not jump over other pieces or share a space with another piece of the same color.

He reached languidly into his vest and brought out another piece of the same color.

Each player selects four pieces of the same color and places them in their "nest," or starting area.

Four extra bits can store the number of pieces of the first color encountered.

Another extra bit appears when the number of pieces of the first color is eight or less.

If the player shoots a piece of the same color as their triangle, it will be "zooped" (cleared) and points are earned.

A 3 in-a-row is defined as exactly three pieces of the same color adjacent to one another in an orthogonal direction.

The lines must contain only pieces of the same color and no black holes.

Blocks will only explode if next to exploding pieces of the same color.