Registration failed ("came to an end") in English; worked after switching to Chinese, well...
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1,000: 1 stay (same as Q1)
5,000: 5 stays (same as Q1)
5,600: Stay at 2 Holiday Inn hotel(s)
5,600: Stay 2 Weekends (Sat+1)
600: Spend $39 on food or beverages (same as Q1)
Bonus:
22,200: Complete 5 of 5 offers
2,500: Stay once before 30 June
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Only have 1 reward night planned within the period, which even changed to paid would only yield 3,500 points, gonna pass.
Also, it appears that this time T&C only requires stays to be consumed but not booked within the period, please check.