All newspaper crossword game endorsements are not created equal
The Sun, on the other hand, is a tabloid best known for its topless women and anti-immigration stance. It's a less desirable association, we think, in terms of prestige. However, The Sun has the highest circulation of any daily English-language newspaper, so maybe it's not such a bad idea.
No, it's a pretty bad idea to tie your puzzle game to an insulting rag.