This calculator is arithmetic on a table, not a live mixer. Enter quantities from your own [β³ 2H] π§ Stack A Butter Squishy [ASMR] session. It will not click the shop.
Drop probability
Crate reward chance
Estimate the chance of seeing a listed crate reward at least once. Enter the crate's published percentage, not a guess, and the number of openings you can pay for.
Chance of at least one success = 1 β (1 β chance per attempt) raised to the number of attempts.
The 50% default is the listed Royal Crate chance for Icecream, not a lever-roll rate and not a universal drop rate. Swap it for another published crate chance before you trust the result: Mochi 25%, Gummy 50%, Tanghulu 12%, Grape 50%, Blueberry 30%. The form estimates the chance of at least one success across independent openings. It does not model luck pets, Comet, or pity.
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