Four Square II

About Four Square II

Four Square takes the tic-tac-toe idea and raises the bar: instead of a line of three, you need four blocks of your colour arranged as a square, and each completed square scores points. Because squares can be built anywhere on the board, the space stays open far longer than in tic-tac-toe and both players are usually one move from scoring.

The result is a game where every placement does two jobs — building toward your own square while denying your opponent theirs. It is silent, mouse-only and quick, which puts it alongside Checkers as a thinking game for a shared screen.

How to play

Click an empty space to place a gem in your colour. Build four of your gems into a square to score — the points depend on the square you complete. Watch what your opponent is building at the same time, because the best placements block their square and advance yours in one move.

Controls

• Mouse click — place a gem in an empty space
• Play against an opponent building squares at the same time

Tips to win

• Every move should do two jobs. A placement that only builds is usually a placement that loses.
• Count your opponent’s near-squares before your own; a block is worth as much as a score.
• Corners are underrated — squares built there are the hardest for the other player to see coming.

Four Square II strategy guide

Click to place. The only control is the mouse: click an empty space on the board to put down one of your gems. There are no keys to learn, which keeps all of your attention on the board itself. Each click is a decision, so it pays to look carefully before you place anything.

Build a square, not a line. If you have played tic-tac-toe, the idea will feel familiar, but the goal is harder. Instead of three in a row, you need four blocks of your own color arranged as a square. Each square you complete grants you points, so the aim is to keep finding new squares, not just one.

Your opponent wants the same thing. The adversary is trying to build squares of their own at the same time. That makes every placement a two-sided choice: you can add to your own shape, or you can drop a gem into the gap your opponent needs. The strongest moves do both, blocking their square while completing or advancing yours.

Common mistakes. The usual way to lose is to focus only on your own pieces. A player who never looks across the board lets the opponent finish square after square. Another mistake is leaving your own nearly finished square with an obvious missing corner that your opponent can simply fill. Spread your threats so that blocking one of them does not stop all of them.

How to improve. Before each click, scan the board for any spot where either side is one gem away from a square. Handle those first, then look for a placement that sets up two possible squares at once, since your opponent can only block one. The game's own advice is to think quick and act quicker, so practise spotting these patterns until the check takes seconds rather than minutes.

Four Square II FAQ