Please don't assume to know what is legal or not in another jurisdiction. Not all states or countries have the same gambling rules as Nevada.

Could be browsing and pushing to GitHub on Tor. Biggest danger might be semantic analysis of his comments or code linking it to his real identity.

Well the original gif showed part of his face, he has since removed that from his repo and history, but there are several forks where it is still visible. So, anonymous fail.

It's not anon. The game was retired from machines and I left the ROM out. Hourly rate probably wouldn't be very high if you did try to actually make money. Fun challenge though!