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Gacha Chest
for Game Designers

Model pull rates, pity systems, and player luck variance with Monte Carlo precision. See the player experience before you tune a single drop rate.

Design gacha systems players trust

Setup your gacha in five steps

Define items

Set up multi-rarity item pools with individual drop rates for commons, rares, and chase items.

Define items - Set up multi-rarity item pools with individual drop rates for commons, rares, and chase items.

Configure rolls

Define single pulls, 10-pull discounts, and how many rolls players make per session.

Configure rolls - Define single pulls, 10-pull discounts, and how many rolls players make per session.

Set guaranteed items

Add hard pity, soft pity, or guaranteed high-rarity drops to protect unlucky players.

Set guaranteed items - Add hard pity, soft pity, or guaranteed high-rarity drops to protect unlucky players.

Add currencies

Add guaranteed currencies to your chests.

Add currencies - Add guaranteed currencies to your chests.

Track your system

Link currencies to track your system in Architect mode.

Track your system - Link currencies to track your system in Architect mode.

Analyze pull distributions

Analyze the results of opening 1000's of chests.

Analyze pull distributions - Analyze the results of opening 1000's of chests.