Backrooms added $1.3M on Day 31 in the US, taking its domestic total to $184.2M and worldwide gross to $330.1M.

The internet-lore horror continues to deliver steady numbers in its fifth week.
| Day 28 | $1.0M |
|---|---|
| Day 29 | $1.3M |
| Day 30 | $1.7M |
| Day 31 | $1.3M |
The film is showing a typical Week 5 moderation but is still adding respectable numbers. The $1.3M figure on Day 31 reflects that Backrooms continues to maintain a solid floor even as it enters the later stages of its run. The unique concept and strong word-of-mouth have helped the film achieve impressive longevity.
With a current 19.41x ratio, Backrooms has already achieved BLOCKBUSTER status. It remains one of the most profitable releases of the year relative to its budget.
Market-wise, the film continues to perform well among its core audience. It is expected to keep adding numbers for several more weeks.