Crystal Clear - Free Brain Game

Crystal Clear
Play:  Small | Medium | Large


Crystal Clear trains strategic thinking and spatial visualization skills.

To begin, click the Small, Medium, or Large link or PLAY GAME button under the picture at left. This opens the game in a pop-up window. Wait for the game to load, then click the "Start Game" button.

The object of the game is to clear out the colored crystals before the board becomes full.

Crystal Clear Instructions

This game is only available in Medium size.

If you like this game, you might also enjoy my Free Tetris Games Online pages.

You make crystals disappear by moving crystals around until five or more of the same color are touching.

Use your mouse to move the crystals. To move a crystal, first click the crystal then click the square where you want it to go.

OTHER RULES. You cannot move a crystal if there is no free way to the destination square (that is, if the path is blocked). Broken crystals explode and clear the area around them.

You can move a heart next to a group of crystals to color them. You cannot move "locked" crystals.

For a step-by-step how to play, go to the Instructions section from the Crystal Clear main menu screen. I've reproduced the text of the tutorial here for your convenience:

crystal clear
Crystal Clear - Main Menu
  • You cannot move a crystal if there is no free way to the destination tile.

  • Form groups of at least 5 crystals.

  • Broken crystals will explode and clear the area around them.

  • Move a Heart tile next to a group of crystals to color them.

  • You cannot move locked crystals.

CONTROLS. Besides the quick tutorial, the Instructions screen is where you can mute the game music and sound effects.

From the Instructions screen, press the 'S' key on your keyboard to toggle the sound effects on or off. Press the 'M' key to toggle the music.

This game quickly gets challenging and really gives your brain a workout.

Game distributed by Used with Permission.

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GAME TIP #1: Many games on this site such as Curveball were built with Adobe Flash. To play these games, you must allow the free Adobe Flash Player to run in your browser. If you don't see an animation in the red rectangle above, click in the red rectangle and activate your Flash Player. Then the Flash-based games should open for you.

If you see a message that the Adobe Flash Player is "blocked", go to your browser's Settings page and change Block to Ask First, if possible.

If the red rectangle is empty, your browser might not have the Flash Player. To check this, follow the steps on Adobe's Flash Player Help page.

GAME TIP #2: If you cannot get the Flash-based brain games to work, try the HTML5 brain games instead. HTML5 games do not use the Adobe Flash Player. They work in modern browsers automatically. All the HTML5 games are listed on this page.

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