Your comments

Also, when you mouse over the Go button. Does it turn blue?
Hi David,

I really want to fix this issue. A few people have reported it, but I am having a devil of a time reproducing it. Couple of follow-up questions.

You are on Windows? Does this always happen for you? Does it only happen on specific designs? How many pieces are the designs?

Let's try and nail this one once and for all!

Unfortunately, the physics engine used in the game is not guaranteed to be deterministic between simulations. They usually are however. 

If you are on Windows, can you download and run this?

http://www.crashtastic.com/public/Crashtastic_Reset.zip

If you are on a Mac... delete the file called unity.Mark Smith.Crashtastic.plist in ~/Library/Preferences


Let me know if that fixes the issue for you.

My best guess is that this was caused by an old graphics. Try updating your graphics driver, if you are still having problems, please send an email to support@crashtastic.com. 

Can you look in C:\windows\system32\drivers\etc\host and remove any listing to api.crashtastic.com and try again?


If you are on Windows, can you download and run this?


http://www.crashtastic.com/public/Crashtastic_Reset.zip


If you are on a Mac... delete the file called unity.Mark Smith.Crashtastic.plist in ~/Library/Preferences