TOOLS

Gacha Simulator

Expected pulls & cost from rates and pity

10連の金額（円）
試行回数
天井を使う（連で狙い確定）

アイテムと排出率（％）・狙いにチェック

狙い

合計排出率 10.0％（はずれ 90.0％）・狙い 1種

The tool UI is in Japanese.

Gacha — the invention of the "pity ceiling": how design changed after the complete-gacha ban

After Japan banned complete gacha, how did gacha design evolve? A history of probability and desire, told through the invention of the "pity ceiling."

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