What Newgrounds's terms say
Newgrounds's terms of service and privacy policy have 11 rated points: 1 serious, 3 bad, 2 worth knowing and 5 good. 9 apply whenever you use the site, signed in or not; 2 only once you have an account.
Whenever you use Newgrounds
Bad 3
Terms may be changed any time at their discretion, without notice to you
Terms may be changed any time at their discretion, without notice to the user
Where it says this ↗Third-party cookies are used for statistics
Third-party cookies are used for advertising
Worth knowing 1
This service assumes no responsibility and liability for the contents of links to other websites
Where it says this ↗
Good 5
Only temporary session cookies are used
This service only uses temporary session cookies
Where it says this ↗You can opt out of providing personal information to third parties
The service allows you to opt out of providing personal information to third parties
Where it says this ↗You can access most of the pages on the service's website without revealing any personal information
Users can access most of the pages on the service's website without revealing any personal information
Where it says this ↗This service claims that your personal data is not being sold
This service does not sell your personal data
Where it says this ↗The cookies used by this service do not contain information that would personally identify you
If you have a Newgrounds account
Serious 1
Specific content can be deleted without reason and may be removed without prior notice
The service can delete specific content without prior notice and without a reason
Where it says this ↗
Worth knowing 1
This service is only available to users over a certain age
This service is only available to users of a certain age
Where it says this ↗
The documents
Ratings by ToS;DR volunteers; they can lag behind the current terms. Not legal advice.