Minor Series Giveaway #61 - Marble Duel [MINOR]

All kinds of comments welcome!
Good luck to win and have fun if you do!

Major Series [MAJOR] - Mainstream games as well as generally popular and cult hit ones; they often have "AAA" production quality or high monetary value.
Minor Series [MINOR] - Almost everything else, usually something that is good but not quite popular or valuable enough to warrant Major status.
???? Series [????] - To Be Revealed.