All totals are U.S. box office only. Sci-fi and genre-related films are in bold.

Title (Dist.)….Reported Weekend BO….# of Engagements….Cumulative

1. Meet The Spartans (20th Century Fox)….$18,505,530….2,605….$18,505,530

2. Rambo (Lionsgate)….$18,203,876….2,751….$18,203,876

3. 27 Dresses (20th Century Fox)….$13,360,535….3,074….$45,107,889

4. Cloverfield (Paramount)….$12,712,134….3,411….$64,306,110

5. Untraceable (Sony)….$11,354,069….2,368….$11,354,069

6. Bucket List, The (Warner Bros.)….$10,532,406….2,915….$58,006,449

7. Juno (Fox Searchlight)….$10,151,100….2,426….$100,013,577

8. National Treasure: Book Of Secrets (Disney)….$4,916,131….2,154….$205,672,738

9. There Will Be Blood (Paramount Vantage)….$4,869,383….885….$14,746,644

10. Mad Money (Overture Films) $4,578,394….2,470….$15,252,568

Source: Variety Data provided by Rentrak