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A five-in-a-row game with a brilliant, fidgety twist: you never place a new piece — you SHOVE the ones already on the board. Twenty-five blank cubes fill a 5×5 grid, and on your turn you grab one from the outer rim, stamp it with your mark, and ram it back into the far end of its row or column so the whole line slides over by one. The catch that makes it sing is that pushing your own line also drags the opponent's cubes around, and a cube you don't own can be quietly rotated to your side the moment it reaches the edge — so the board is in constant churn, threats appear and dissolve as lines shunt sideways, and a winning row can be smeared out of existence by a single shove. It is tense, tactical, and completely luck-free. Beat the AI, and the next game's AI thinks a step deeper — your streak measures how long you can keep the board bending your way.
The board is a 5×5 grid of cubes, all blank to start. You stamp X, the AI stamps O, and you move first.
Tap a cube on the OUTER ring (the border) that is either blank or already shows your X. You may not take a cube showing the AI's O. Once selected, arrows appear around the cube pointing in the directions you can push it; tap one. The whole row or column slides one square that way, the cubes already there shift along, and your chosen cube re-enters at the OPPOSITE end of the line carrying your X. A cube can never be pushed straight back where it came from, so it always travels across the board.
The goal is five of your X in a straight line — any full row, full column, or one of the two main diagonals. Because every push slides a whole line, your mark can be carried into a row, and the opponent's neatly lined-up cubes can be knocked out of line just as easily.
One important rule: if your own push happens to complete a line of five O's for the AI, the AI wins — so watch what your slide does to the opponent's cubes, not only your own. The board is always full, so very long games are simply called a draw.
Win and a new game begins at once, keeping your streak — your score is how many you win in a row, and the AI searches a step deeper as the streak climbs. Tap Save on the result screen to post your streak to the Hall of Fame.
Build on a side you control, not in the open middle. Because you can only ever take cubes from the border and your mark always re-enters at the edge of a line, the rows and columns nearest the rim are where your X's stick. Try to grow a line along a row or column you can keep feeding from its own ends, rather than hoping to stamp a mark dead in the center, which you can only reach by shoving a whole line through it.
Every push is double-edged. Sliding a line to extend your own four can, in the same motion, shove an opponent's cube into a gap and ruin their line — or hand them one. Before you commit, look at BOTH ends of the line you are moving: what arrives, and what falls off the far side. The strongest moves attack and defend at once.
Never push an opponent's four into five. The cruelest way to lose at Quixo is to complete the AI's row for it, because the rule says that line still wins for the AI even though you moved. When the AI has four of its O lined up, treat every push that touches that line as radioactive unless it actually breaks the four apart.
Breaking lines is as good as building them. Since cubes are never removed, only shoved, a single well-aimed push can shear the AI's promising row sideways and reset its progress to nothing. When you can't make your own threat, spend the move dragging the AI's best line out of alignment — denying a four is often worth more than adding to your own three.