A bug is an error in the code of our game or website that makes it impossible to complete a certain action, or causes otherwise unintended behaviour. If you witness a bug yourself, please report the bug to us.
When filling out the bug report form, please make sure you provide as much detail as you can. An unhelpful bug report might read 'I can't complete level two' - this wouldn't give us enough information to reproduce the bug, so we wouldn't be able to fix it. A more useful report might read 'I can't complete level two of Crazy Crystals because the four boulders stacked on top of each other won't move, even when I push them, so I can't reach the last few crystals'. This gives us enough information to reproduce the bug on our own systems, allowing us to find the cause of the bug and apply a fix.
We regret that we can't reply to every bug report we receive, but we do thank you for your vigilance and your assistance.