Get the 'Experienced Cashier' title by collecting 100 stars.
Get the 'Apprentice Cashier' title by collecting 10 stars.
Get the 'Master Cashier' title by collecting 170 stars.
Make a 25 Combo.
Hold 3 minutes during an Endless stage (days 10, 20, 30, 40, 50 and 60).
Complete a full month with 3 stars only.
Complete day 60.
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