# Card counts in set collection

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chris_mancini
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Joined: 05/01/2015

Here's another for the math-minded members of the community...I have 2 games I'm working on which feature set collection as a core mechanic.

One in particular called SushiBOOM! has a deck of over 140 ingredient cards, which was created based on the total number of cards needed to fill all of the orders on the customer cards, plus a few extra for padding. I'm certain I don't need to deliver that many, but I'm unsure how to find that perfect number which keeps the probability of drawing each type of card the same.

The rules also currently have players keeping the sets along with the customer cards as they are won, but creating a discard pile and re-shuffling is of course a better option...which again raises the question of how many cards are really needed.

Can anyone help me? I have to imagine this is a concern for any set collection game, so hopefully this inquiry can help others as well...thanks!

andymakespasta
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Joined: 07/26/2015
Since you only have 1 copy of

Since you only have 1 copy of fuguu blowfish thing, any decrease in the total number of cards will increase the odds of it appearing. Of course if you just add : "this card is not reshuffled", this only makes the card appear earlier rather than more common.

If you adjust the number of all the cards at a fixed ratio, then the probability will stay about the same, though depending on if a card is likely to be "keep in hand" or "play right away", you should add more copies or place fewer copies to compensate. If I had to guess, rarer cards would be "keep in hand".

For a simple game like yours, maybe aim for something like 70 cards, and just halve all the cards? If you can somehow balance it to 112 cards or 56 cards, then you can play with standard playing cards, which is nice.

chris_mancini
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Joined: 05/01/2015
Makes perfect sense I'll

Makes perfect sense I'll reduce them individually by a common percentage. I'd love to get this down to under 100 cards total. I was also planning on reducing the number of customers to 20 and making each unique instead of pairs, which would further reduce the cards needed.

Thanks!