One day after shocking the NRL by being granted a release from the final year of his Melbourne Storm contract, Papenhuyzen took to Instagram on Friday night to explain the decision.
In a lengthy post, the 27-year-old said he wanted to consider the next chapter of his life, after opting to walk away from his $950,000 salary for 2026.
It comes after Papenhuyzen confirmed earlier this year he had been in talks with breakaway rugby competition R360, where he is understood to be a key target.
"For now I've decided to take a break and explore the next chapter of my life," Papenhuyzen wrote on Instagram on Friday evening.
"I'm well and healthy, but I've come to a point in my career where I'd like to explore life beyond the game I've dedicated myself to.
"It wasn't an easy decision, but it's an important one for me.
"I'm not sure what lies ahead but I know I'll give whatever it is a good crack. Your support and love will always be appreciated. Here's to the next chapter."
One of the best fullbacks in the NRL over the past six season, Papenhuyzen's last game could be the 26-22 grand-final defeat to Brisbane.
The prospect of R360 could appeal given his injury history, and the offer of big dollars from the lucrative breakaway league.
R360 officials would not comment when contacted by AAP about Papenhuyzen's exit this week, with the rebel competition expected to kick off next October.
The NRL have vowed to ban any player who joins for 10 years, as well as any player agents who take them there.
It is unclear whether Papenhuyzen would face such a ban if he joined, given he no longer has an NRL contract for next season.
"All I ever wanted to do as a kid was to play one game in the NRL," Papenhuyzen said in Friday's post.
"To not only achieve that dream, but to do it with one of the best sporting franchises in the country, with some of the best to ever play the game has been something I'll always be proud of.
"The memories I have created and lessons learnt will be invaluable going forward."
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