why is blockblast an 17

An app with a 17+ age rating will have at least one of these scenarios. The developer is free to change their app to one that these conditions are not a concern and it is the developer that makes that choice to target the app to the age group they want. Contact the developer about your request.

• Unrestricted web access, such as with an embedded browser
• Gambling
• Frequent or intense simulated gambling
• Frequent or intense mature or suggestive content
• Frequent or intense medical or treatment-focused content
• Frequent or intense references to alcohol, tobacco, or drug use
• Frequent or intense sexual content or nudity
• Frequent or intense realistic violence

DjRyanRocks777 wrote:

So the blockblast is a 17+ but can you please change it to an 9 plus or something it’s a kids game help for strategy to help kids out.

Apple doesn't own Blockblast, so Apple has no control over the ratings for their products.

You'll have to ask them why it has a 17+ rating. This has NOTHING to do with Apple.