There has been added some gambling games to MAME at 99u2, and there might be many, very many to be added later.R Belmont at mame.net forums wrote: "Prior versions of MAME have excluded some drivers (primarily gambling-
related) for philosophical reasons. Since these games are legitimately at
risk of being lost to the ages, and many of them have strong similarities
to the other sorts of games MAME emulates, it has been decided to allow their
inclusion going forward. The criteria for inclusion in MAME is now simply
"any primarily video based arcade machine, driven by one of more CPUs," and
should relieve any confusion surrounding this issue going forward.
They are those fruitmachine games, electronic blackjack and whatever.
They're based mostly on luck, or should I say payback ratio...
I suggest we don't give leaderboard points for these, they would get *'ed. Submission for these would be ok, just no LB points at MARP.
I believe most of you would agree on this, but now is the time to say something if you feel like it

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Pat,
lottof2.zip (m99u1) seems to be same kind of luck game, so should be treated same as gambling games, when added.
What's the current procedure with trivia games? Imo they could be *'d by default when new games are emulated.