| Music by Letter - F | 0 | - | 4.45 | 24,951 |
| Music by Letter - P | 0 | - | 4.41 | 18,003 |
| Music by Letter - A | 0 | - | 4.60 | 28,975 |
| A to Z: Musical Terms | 0 | - | 4.44 | 37,906 |
| Music by Letter - E | 0 | - | 4.37 | 24,751 |
| Music by Letter - I | 0 | - | 4.17 | 14,377 |
| Music by Letter - H | 0 | - | 4.18 | 20,829 |
| Music by Letter - B | 0 | - | 4.37 | 23,344 |
| Music by Letter - G | 0 | - | 4.33 | 19,622 |
| Music by Letter - R | 0 | - | 4.04 | 13,806 |
| Music by Letter - C | 0 | - | 4.14 | 19,604 |
| Music by Letter - D | 0 | - | 4.29 | 20,524 |
| Music by Letter - W | 0 | - | 4.34 | 17,415 |
| Music by Letter - N | 0 | - | 4.18 | 13,523 |
| Music by Letter - V | 0 | - | 4.33 | 16,597 |
| Music by Letter - M | 0 | - | 4.26 | 16,853 |
| Music by Letter - K | 0 | - | 4.15 | 14,954 |
| Music by Letter - T | 0 | - | 4.29 | 18,066 |
| Music by Letter - L | 0 | - | 4.29 | 14,764 |
| Music by Letter - S | 0 | - | 4.29 | 17,686 |
| Music by Letter - O | 0 | - | 4.21 | 15,751 |
| Geography by Letter - T | 0 | - | 4.82 | 124,638 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 70,157 |
| Geography by Letter on the World Map - A | 0 | - | 4.82 | 93,461 |
| Geography by Letter on the World Map - C | 0 | - | 4.81 | 104,129 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 140,423 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 182,598 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 162,706 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 177,774 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 288,291 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 168,778 |
| Musical Acts by Letter - J | 0 | - | 4.19 | 71,713 |
| Musical Acts by Letter - M | 0 | - | 4.13 | 79,444 |
| Musical Acts by Letter - N | 0 | - | 4.06 | 57,804 |
| Musical Acts by Letter - P | 0 | - | 4.18 | 54,573 |
| Musical Acts by Letter - R | 0 | - | 4.24 | 71,249 |
| Musical Acts by Letter - A | 0 | - | 4.27 | 74,498 |
| Musical Acts by Letter - B | 0 | - | 4.30 | 65,703 |
| Musical Acts by Letter - C | 0 | - | 4.39 | 53,966 |
| Musical Acts by Letter - D | 0 | - | 4.11 | 47,616 |
| Musical Acts by Letter - E | 0 | - | 4.37 | 55,829 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 216,038 |
| 19th Century A-Z | 0 | - | 4.82 | 34,637 |
| A to Z: Musical Terms #2 | 0 | - | 4.12 | 9,874 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.10 | 40,720 |
| NATO Military Alphabet | 0 | - | 4.98 | 505,228 |
| Geography by Letter - A | 0 | - | 4.66 | 193,990 |
| Geography by Letter - B | 0 | - | 4.55 | 166,956 |
| Geography by Letter - H | 0 | - | 4.75 | 135,348 |
| Geography by Letter - C | 0 | - | 4.50 | 143,386 |
| Geography by Letter - D | 0 | - | 4.47 | 136,820 |
| Geography by Letter - I | 0 | - | 4.43 | 111,218 |
| Geography by Letter - K | 0 | - | 4.54 | 106,913 |
| Geography by Letter - L | 0 | - | 4.45 | 135,969 |
| Geography by Letter - M | 0 | - | 4.48 | 106,420 |
| Geography by Letter - N | 0 | - | 4.53 | 115,649 |
| Geography by Letter - P | 0 | - | 4.46 | 163,001 |
| Geography by Letter - S #1 | 0 | - | 4.79 | 116,699 |
| Geography by Letter - U | 0 | - | 4.54 | 118,993 |
| Geography by Letter - W | 0 | - | 4.42 | 97,150 |
| Asian Geography By Letter - K | 0 | - | 4.77 | 55,712 |
| Geography A-Z #2 | 0 | - | 4.46 | 49,591 |
| Geography A-Z #5 | 0 | - | 4.42 | 34,949 |
| Geography A-Z #1 | 0 | - | 4.55 | 66,146 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 109,783 |
| Movies that Start with G | 0 | - | 4.48 | 64,884 |
| Movies that Start with I | 0 | - | 4.41 | 61,820 |
| History by Letter - A | 0 | - | 4.50 | 139,496 |
| History by Letter - B | 0 | - | 4.48 | 157,180 |
| History by Letter - C | 0 | - | 4.70 | 154,858 |
| History by Letter - E | 0 | - | 4.49 | 128,190 |
| History by Letter - G | 0 | - | 4.48 | 111,356 |
| History by Letter - H | 0 | - | 4.42 | 124,326 |
| History by Letter - J | 0 | - | 4.49 | 140,988 |
| History by Letter - N | 0 | - | 4.44 | 94,838 |
| History by Letter - S | 0 | - | 4.46 | 85,500 |
| History by Letter - W | 0 | - | 4.45 | 99,292 |
| History by Letter - M | 0 | - | 4.54 | 109,812 |
| History by Letter - K | 0 | - | 4.48 | 92,749 |
| History by Letter - L | 0 | - | 4.47 | 102,946 |
| History by Letter - I | 0 | - | 4.48 | 95,568 |
| Musical Acts by Letter - F | 0 | - | 3.86 | 58,492 |
| Musical Acts by Letter - G | 0 | - | 3.95 | 64,958 |
| Musical Acts by Letter - L | 0 | - | 3.74 | 66,895 |
| Musical Acts by Letter - S | 0 | - | 3.96 | 69,978 |
| Musical Acts by Letter - T | 0 | - | 4.00 | 55,178 |
| Musical Acts by Letter - K | 0 | - | 3.89 | 84,683 |
| Countries by Military Spending | 0 | - | 4.93 | 161,153 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.90 | 98,622 |
| All Hamilton Songs | 0 | - | 4.58 | 39,879 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,183,223 |
| Animals that Start with L | 0 | - | 4.44 | 94,958 |
| Animals that Start with P | 0 | - | 4.42 | 80,413 |
| Animals that Start with S | 0 | - | 4.49 | 81,073 |
| Geography by Letter on the World Map - B | 0 | - | 4.49 | 79,495 |
| World Cities A-Z #1 | 0 | - | 4.54 | 59,178 |
| Islands A-Z | 0 | - | 4.46 | 106,500 |
| World Cities A-Z #2 | 0 | - | 4.46 | 51,825 |
| Human Body A-Z | 0 | - | 4.49 | 109,179 |
| Africa A-Z | 0 | - | 4.54 | 43,947 |
| People in History A-Z #1 | 0 | - | 4.65 | 91,352 |
| People in History A-Z #2 | 0 | - | 4.46 | 50,434 |
| People in History A-Z #3 | 0 | - | 4.47 | 42,504 |
| Queen Songs | 0 | - | 4.81 | 22,241 |
| Longest Running Broadway Theater Productions | 0 | - | 4.01 | 50,997 |
| Songs From Broadway Musicals #1 | 0 | - | 4.11 | 52,779 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.29 | 46,361 |
| Disney A-Z | 0 | - | 4.40 | 78,990 |
| Classic Novels by Plot #2 | 0 | - | 4.81 | 31,392 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.41 | 14,019 |
| Companies A-Z | 0 | - | 4.32 | 41,504 |
| Religion A-Z #1 | 0 | - | 4.31 | 58,904 |
| Geography by Letter - E | 0 | - | 4.40 | 134,525 |
| Geography by Letter - G | 0 | - | 4.36 | 114,501 |
| Geography by Letter - F | 0 | - | 4.27 | 125,184 |
| Geography by Letter - J | 0 | - | 4.36 | 111,797 |
| Geography by Letter - O | 0 | - | 4.38 | 117,873 |
| Geography by Letter - R | 0 | - | 4.40 | 106,105 |
| Geography by Letter - V | 0 | - | 4.38 | 97,019 |
| Geography by Letter - Y | 0 | - | 4.37 | 92,305 |
| Geography by Letter - Z | 0 | - | 4.04 | 63,995 |
| Geography by Letter - Q | 0 | - | 4.33 | 56,546 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.20 | 33,389 |
| Video Games A-Z | 0 | - | 4.04 | 35,573 |
| Geography A-Z #3 | 0 | - | 4.21 | 36,880 |
| Movies that Start with A | 0 | - | 4.11 | 58,662 |
| Movies that Start with C | 0 | - | 4.30 | 58,086 |
| Movies that Start with B | 0 | - | 4.36 | 80,833 |
| Movies that Start with D | 0 | - | 4.35 | 65,637 |
| Movies that Start with E | 0 | - | 4.16 | 65,540 |
| Movies that Start with J | 0 | - | 4.22 | 72,753 |
| Movies that Start with L | 0 | - | 4.17 | 57,900 |
| Movies that Start with M | 0 | - | 4.27 | 46,148 |
| Movies that Start with N | 0 | - | 4.06 | 39,362 |
| Movies that Start with P | 0 | - | 4.25 | 52,077 |
| Movies that Start with R | 0 | - | 4.13 | 43,953 |
| Movies that Start with W | 0 | - | 4.06 | 42,576 |
| Movies that Start with T | 0 | - | 4.37 | 46,950 |
| Movies that Start with S | 0 | - | 4.37 | 53,945 |
| Movies that Start with F | 0 | - | 4.15 | 66,044 |
| History by Letter - D | 0 | - | 4.34 | 126,561 |
| History by Letter - F | 0 | - | 4.18 | 104,797 |
| History by Letter - O | 0 | - | 4.30 | 91,802 |
| History by Letter - P | 0 | - | 4.37 | 99,022 |
| History by Letter - Q | 0 | - | 4.35 | 74,424 |
| History by Letter - R | 0 | - | 4.22 | 113,344 |
| History by Letter - T | 0 | - | 4.40 | 97,092 |
| History by Letter - U | 0 | - | 4.19 | 92,977 |
| History by Letter - V | 0 | - | 4.27 | 75,011 |
| History by Letter - Y | 0 | - | 4.28 | 81,321 |
| History by Letter - Z | 0 | - | 4.20 | 72,062 |
| Top Musical Acts of All-Time | 0 | - | 3.84 | 128,456 |
| Countries with the Most Metal Bands | 0 | - | 4.95 | 60,294 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 138,708 |
| Top Five Exporting Partners by Country | 0 | - | 4.85 | 62,508 |
| The Americas Geography by Letter - B | 0 | - | 4.51 | 49,075 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,691 |
| Middle East A-Z | 0 | - | 4.46 | 43,326 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.44 | 41,605 |
| 20th Century A-Z | 0 | - | 4.48 | 38,943 |
| 18th Century A-Z | 0 | - | 4.60 | 31,750 |
| Movie Musicals by Cast | 0 | - | 4.17 | 13,123 |
| Combined Song Titles #1 | 0 | - | 4.82 | 80,259 |
| Songs that Start with the Same Word | 0 | - | 4.86 | 99,189 |
| Tony Best Musicals Quiz | 0 | - | 4.30 | 23,713 |
| Songs From Broadway Musicals #2 | 0 | - | 4.19 | 31,096 |
| Characters from Musicals | 0 | - | 4.22 | 24,434 |
| Musical Theater Trivia | 0 | - | 4.16 | 15,562 |
| Family Bands | 0 | - | 4.07 | 21,128 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 77,233 |
| Star Wars A-Z | 0 | - | 4.44 | 80,355 |
| Monarchies of the World | 0 | - | 4.93 | 153,897 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 82,438 |
| Countries where the Sea Freezes | 0 | - | 4.91 | 81,989 |
| Largest Countries Without Deserts | 0 | - | 4.87 | 66,939 |
| Literature by Letter - A | 0 | - | 4.21 | 29,569 |
| Literature by Letter - D | 0 | - | 4.24 | 18,884 |
| Literature by Letter - C | 0 | - | 4.32 | 24,614 |
| Literature by Letter - F | 0 | - | 4.28 | 15,715 |
| Literature by Letter - E | 0 | - | 4.02 | 13,628 |
| Literature by Letter - H | 0 | - | 4.22 | 16,731 |
| Literature by Letter - I | 0 | - | 4.19 | 13,997 |
| Literature by Letter - L | 0 | - | 4.31 | 21,785 |
| Literature by Letter - M | 0 | - | 4.19 | 17,380 |
| Literature by Letter - P | 0 | - | 4.15 | 15,615 |
| Literature by Letter - O | 0 | - | 4.28 | 12,454 |
| Literature by Letter - J | 0 | - | 4.20 | 13,656 |
| Literature by Letter - N | 0 | - | 4.20 | 13,179 |
| Literature by Letter - K | 0 | - | 4.12 | 11,229 |
| Literature by Letter - R | 0 | - | 4.02 | 10,920 |
| Literature by Letter - T | 0 | - | 4.35 | 17,300 |
| Literature by Letter - U | 0 | - | 4.18 | 12,178 |
| Literature by Letter - V | 0 | - | 4.04 | 10,784 |
| Literature by Letter - W | 0 | - | 4.12 | 12,534 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.75 | 710,835 |
| A Quiz About Buddhism | 0 | - | 4.81 | 16,809 |
| Astronomy Quiz | 0 | - | 4.87 | 65,070 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 87,876 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 58,485 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 92,076 |
