I have done with all the posting on Universal Studio Singapore. You can find more information from their official website regarding the prices of their tickets.
It is S$66 for adults, S$48 for children (age 12 and below) and S$32 for senior citizen (age 65 and above) for weekday.
It is S$72 for adults, S$52 for children (age 12 and below) and S$36 for senior citizen (age 65 and above) for weekend.
And there are tickets for annual and express too.
If you do not want to take any of the rides or watch any of the shows in the theme park, alternatively you can visit the Hollywood zone in the theme park after all the rides/shows are closed only on Friday and Saturday for only $5 per entry.
Hollywood after hours:
Every Friday & SaturdayOpening Hours: 7:00pm to 10:00pmTicket Price: S$5*
*Same-day park guests, Annual Pass holders enter for FREE.
Please read the official website for more information about Hollywood after hours.