Known Issue & Workaround
We are aware of a bug that may cause the special ? Block to stop appearing in the dinosaur level. Normally, the first block should appear within about 15-20 seconds at the start of each run. If you notice that you haven't seen a block after this time, you may have encountered this issue.
Workaround:
If this happens, please press F5 to reload the game. This will fix the problem. Thank you for your patience!