Flood Cube is the ultimate strategic 3D puzzle game on the web. Your objective is simple to understand but execution requires deep spatial reasoning: color every face of the 3D cube the exact same color within the strict "Par" move limit. Unlike traditional 2D flood fill games, Flood Cube challenges you to think in three dimensions. You must carefully rotate the cube, plan your color sequences, and anticipate how a single move will cascade across multiple hidden faces simultaneously.
Puzzle games on the web often rely on artificial difficulty, timers, or random chance gimmicks. Flood Cube is built entirely on pure logic. Every puzzle is solvable — the challenge is doing it within the "Par" move budget, which we calibrate from real player results so it stays tough but fair. It tests your ability to visualize hidden connections and formulate complex, multi-step execution plans. Whether you just have two minutes for a quick brain-teaser on your mobile phone, or an hour to dedicate to climbing the global leaderboards on desktop, Flood Cube offers a deeply satisfying and consistently rewarding mental challenge. Create an account to log in and save your gameplay progression, customize your personal color palettes, and unlock difficult achievements as you master the art of the 3D flood.
Every game begins from a single highlighted cell on the cube. When you pick a color from the palette, that starting region — and every same-colored cell connected to it — instantly changes to your chosen color, growing your controlled area. Because the grid wraps around all six faces of the cube, a single well-chosen color can cascade across the front, top, and side faces at once. The challenge is to chain these floods together so the whole cube becomes one color before you run out of moves. It is a game of a few simple rules and near-infinite strategic depth.
Traditional flood-fill puzzles play out on a flat square grid, where you only ever reason about the tiles at the edge of your blob. Flood Cube wraps that same mechanic around a three-dimensional solid. Suddenly a move made on the visible front face also reshapes the hidden back and bottom faces, and connections you cannot currently see become just as important as the ones you can. This is why rotating the cube and thinking several moves ahead matters so much more here than in any 2D version.
Flood Cube is designed for anyone who enjoys a genuine mental workout — fans of logic puzzles, daily brain-teasers, and competitive leaderboard chasing alike. Casual players can enjoy a relaxed cube in Zen mode, while competitive solvers can fight for the fewest-moves record on the shared Daily Double. It requires no downloads and runs directly in your browser on phone, tablet, or desktop.
Yes. The daily puzzles and the core game modes are completely free to play. An optional Premium upgrade removes advertising and unlocks unlimited runs of the Power and Zen modes.
Yes — a connected cube can always be reduced to a single colour. The real test is doing it within the "Par" move budget, which we tune from aggregate player results so most players can win with smart play. If a cube feels impossible, there is almost always a more efficient path waiting to be found.
Ready to try it? Play Flood Cube now, or read the full How to Play guide first.