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