Control the moving cube and color the gray squares in Color Fill 3D. Form a closed circle and avoid obstacles of different colors. Complete two challenges to move to the next level.
Overview
Color Fill 3D is a puzzle game centered around filling gray squares by controlling the moving cube and creating closed circles. Each level consists of two challenges. Failing one of the two challenges will restart from the first challenge of that level. This online 3D game challenges the player's precise control skills and quick reflexes through coloring and clearing obstacles.

How to play Color Fill 3D for beginners
Color Fill 3D is suitable for all players, including children, thanks to its simple and easy-to-understand gameplay. Here are some tips for newbies playing this puzzle game:
- Mission: Control your cube to move and expand your territory by creating closed circles. Fill the entire grid to complete the challenge.
- Obstacles: For static obstacles, create circles around them to clear them from the grid. For dynamic obstacles, you need to expand your territory slowly and avoid collisions. If the cube is inside a closed circle, you are safe. Touching an obstacle before completing a closed circle will restart you from the first challenge of that level.
- Collect diamonds: To buy patterns for your paint colors. Diamonds in Color Fill 3D don't upgrade your skills or tactics. They simply provide new and visually appealing experiences, making the game more engaging.
Controls
- PC users: Press and hold the left mouse button and move the mouse horizontally or vertically to navigate the cube. Or you can use the WASD keys.
- Mobile users: Swipe vertically or horizontally on your mobile screen to control the cube.
Challenge yourself by filling the grid with your colors in Color Fill 3D. Easy to play, yet engaging and exciting.