T&C's below, party time! Initial email did state that it was for VIC, SA and WA but it seems to work in other states as per comments below
25% off offer: offer ends Sunday 5th November 2023. Orders must be picked up by Sunday 5th November. No minimum spend. Offer excludes gift cards and custom cakes. Offer cannot be used in conjunction with any other offers. Promo code TAKE25 must be entered at online checkout to redeem discount. Offer available exclusively across Victoria, South Australia, Western Australia and Albury only in-store and online at www.cheesecake.com.au.
Same day pick up on selected products, excludes custom cakes.
I'm boycotting the The Cheesecake Shop as they didn't send me my birthday voucher this year…