All Tools
Free calculators to optimize your Slime RNG gameplay.
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Luck Cap Calculator
Calculate your total luck and find the optimal Manual Luck Cap to hunt Big, Shiny, Huge, and Inverted mutations without base bypass.
luck overridebase bypassmutation cap
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Rebirth Efficiency Planner
See Goop requirements and luck multipliers for every rebirth level. Track your Goop upgrades.
gooprebirth levelsluck multiplier
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Roll Odds Simulator
Get exact probabilities and confidence intervals for any slime and mutation variant.
roll oddsexpected rollsconfidence