Colors, patterns, mix-ins, and materials are verified customization families; option names, effects, rarity, prices, and unlock rules stay unknown. The description checked October 9, 2026 documents the core loop rather than a published customization catalog; the older mobile-build and premade-squishy wording is on watch.
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For my slime lab customization, start with the four documented families, then keep unknown names, effects, rarity, prices, and unlock rules separate.