I am happy to hear that you like the game Geoff. I've played a number of Castlevania hacks myself over the years and I found that many go overboard with the difficulty. I tried by best in keeping the game challenging but I also at the same time want people to fully enjoy the game. I hope I've managed to do that.
As for the remaining copies, I have three remaining that will be auctioned off at a later date. I'll be sure to let everyone know here before doing so.
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We can't game here, it's Donkey Kong Country.