NEW YORK — Made for just $3 million, the suspense thriller "The Purge" scared up more than 10 times that in its opening weekend at the box office.

The Universal horror film took in $2 million less than the studio estimated Sunday, but its actual weekend haul of $34.1 million still blew away industry forecasts.

The top 20 movies at U.S. and Canadian theaters Friday through Sunday, followed by distribution studio, gross, number of theater locations, average receipts per location, total gross and number of weeks in release, as compiled Monday by Hollywood.com, are:

1. "The Purge," Universal, $34,058,360, 2,536 locations, $13,430 average, $34,058,360, one week.

2. "Fast & Furious 6," Universal, $19,626,885, 3,771 locations, $5,205 average, $202,812,580, three weeks.

3. "Now You See Me," Lionsgate, $19,040,890, 3,020 locations, $6,305 average, $60,914,914, two weeks.

4. "The Internship," Fox, $17,325,307, 3,366 locations, $5,147 average, $17,325,307, one week.

5. "Epic," Fox, $11,876,003, 3,594 locations, $3,304 average, $83,930,559, three weeks.

6. "Star Trek Into Darkness," Paramount, $11,425,755, 3,152 locations, $3,625 average, $199,866,194, four weeks.

7. "After Earth," Sony, $10,712,240, 3,401 locations, $3,150 average, $46,103,809, two weeks.

8. "The Hangover Part III," Warner Bros., $7,343,414, 3,242 locations, $2,265 average, $102,337,370, three weeks.

9. "Iron Man 3," Disney, $5,753,661, 2,351 locations, $2,447 average, $394,283,326, six weeks.

10. "The Great Gatsby," Warner Bros., $4,222,409, 2,160 locations, $1,955 average, $136,167,527, five weeks.

11. "Mud," Roadside Attractions, $1,147,633, 580 locations, $1,979 average, $18,538,320, seven weeks.

12. "Yeh Jawaani Hai Deewani," Eros Int'l, $803,206, 161 locations, $4,989 average, $2,855,631, two weeks.

13. "The Croods," Fox, $724,969, 414 locations, $1,751 average, $181,649,007, 12 weeks.

14. "Frances Ha," IFC, $545,715, 233 locations, $2,342 average, $2,333,281, four weeks.

15. "Before Midnight," Sony Pictures Classics, $526,419, 52 locations, $10,123 average, $1,460,103, three weeks.

16. "Oz the Great and Powerful," Disney, $374,964, 322 locations, $1,164 average, $233,671,832, 14 weeks.

17. "42," Warner Bros., $364,175, 370 locations, $984 average, $92,924,954, nine weeks.

18. "Oblivion," Universal, $247,475, 298 locations, $830 average, $88,473,925, eight weeks.

19. "The East," Fox Searchlight, $228,561, 41 locations, $5,575 average, $336,002, two weeks.

20. "The Kings of Summer," CBS, $212,873, 44 locations, $4,838 average, $294,481, two weeks.