Chainfall Block Puzzle

Four blocks of one colour, touching, and they're gone. Then whatever falls into the gap can match as well — that's a chain, and chains are where the points are. Chainfall is a falling-block colour matcher built around that one idea. Pieces drop into a six-by-twelve well, you steer and rotate them, and the board pays you back for setting up a collapse instead of just clearing what is in front of you. THREE WAYS TO PLAY Survival — three minutes on the clock, and every clear buys more of it. The pieces keep getting faster, so the only way to stay ahead is to clear better; the longer you last, the more each clear is worth. There is no ceiling on the clock — how long a run goes is up to you. Endless — no clock at all. Set the falling speed yourself with the slider, change it whenever you like, and it stays exactly where you put it. Faster pieces score more, so it is a wager as much as a…