ColorBlock Help Center

Find help with loading the game, browser controls, sign-in and leaderboard results. For rules and strategy, use the dedicated Block Blast guide.

Quick troubleshooting

  1. Reload the page and make sure your internet connection is stable.
  2. Use a current version of Chrome, Safari, Edge or Firefox with JavaScript enabled.
  3. If the game area remains blank, temporarily disable extensions that block scripts or storage, then reload the page.
  4. On mobile, rotate back to portrait mode and close other browser tabs if the page feels slow.
  5. If the issue continues, send us the page URL, device, browser and the steps that caused it.

Frequently asked questions

How do I play Block Blast?

Drag a piece onto an open space on the board. Completing a full row or column clears it. See the Block Blast guide for the complete rules and strategy tips.

Why is the game not loading?

Reload the page, check your connection and use an up-to-date browser with JavaScript enabled. Browser extensions that block scripts or storage can also prevent the game from loading.

Does ColorBlock work on phones and tablets?

Yes. The game supports touch input in modern mobile browsers as well as mouse input on desktop browsers.

How do I sign in or sign out?

Select Log In in the site header to use Google sign-in. When signed in, select your profile avatar and choose Sign Out to end the session on that browser.

Where can I see leaderboard results?

Open the Leaderboard page to see submitted scores from the latest 24-hour UTC period. If a recent result is missing, reload the page and confirm that your connection is active.

What should I include in a bug report?

Include the affected page, your device and browser, what you expected to happen, what actually happened and the steps needed to reproduce the issue.

Still need help?

Use the contact form to report a bug, a leaderboard problem or incorrect guide content. Do not include passwords, access tokens or other sensitive information.