Gravity Four

Connect Four with gravity. Pick a column and your piece falls to the lowest empty square. Line up four in a row — vertically, horizontally or diagonally — and you win. That's the whole game. ■ Choose your board Four sizes, from the classic 6x7 up to a 10x12 monster. A wider board means more to read and a genuinely different game. Four in a row wins on every size. ■ Play solo Three difficulty levels. "Hard" searches ten moves ahead and will almost certainly beat you. "Easy" is tuned so a beginner can win — but it still blocks your threats. ■ Play with a friend on one device Pass the phone back and forth. No network, no waiting for an opponent — it works on a plane. ■ Play with a friend who isn't with you Create a six-character passphrase and send it to them. When they type it in, the two of you are matched. No sign-up. Passphrases are never listed publicly, so a stranger cannot wander…