Parameter modification
Boss bullet speed modification (fine-tuning)
Boss appearance time modification (easy 18 minutes, normal 20 minutes, difficult 22 minutes)
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Source: Steam Community (opens in a new tab)
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Source: Steam Community (opens in a new tab)
Parameter modification
Boss bullet speed modification (fine-tuning)
Boss appearance time modification (easy 18 minutes, normal 20 minutes, difficult 22 minutes)