| Music by Letter - F | 0 | - | 4.48 | 26,199 |
| Music by Letter - A | 0 | - | 4.61 | 30,493 |
| A to Z: Musical Terms | 0 | - | 4.43 | 39,791 |
| Music by Letter - I | 0 | - | 4.20 | 15,248 |
| Music by Letter - H | 0 | - | 4.26 | 21,861 |
| Music by Letter - B | 0 | - | 4.38 | 24,614 |
| Music by Letter - J | 0 | - | 4.37 | 20,140 |
| Music by Letter - G | 0 | - | 4.34 | 20,690 |
| Music by Letter - R | 0 | - | 4.10 | 14,616 |
| Music by Letter - C | 0 | - | 4.18 | 20,675 |
| Music by Letter - P | 0 | - | 4.38 | 18,989 |
| Music by Letter - D | 0 | - | 4.30 | 21,614 |
| Music by Letter - W | 0 | - | 4.36 | 18,204 |
| Music by Letter - N | 0 | - | 4.23 | 14,322 |
| Music by Letter - V | 0 | - | 4.35 | 17,355 |
| Music by Letter - M | 0 | - | 4.27 | 17,736 |
| Music by Letter - K | 0 | - | 4.11 | 15,746 |
| Music by Letter - T | 0 | - | 4.30 | 18,875 |
| Music by Letter - L | 0 | - | 4.31 | 15,575 |
| Music by Letter - S | 0 | - | 4.28 | 18,543 |
| Music by Letter - O | 0 | - | 4.22 | 16,553 |
| Geography by Letter - T | 0 | - | 4.84 | 146,760 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.88 | 77,932 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 150,982 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 190,067 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 167,598 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 186,761 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 295,607 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 175,767 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.81 | 70,290 |
| Musical Acts by Letter - J | 0 | - | 4.19 | 76,138 |
| Musical Acts by Letter - M | 0 | - | 4.12 | 91,167 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 67,160 |
| Musical Acts by Letter - P | 0 | - | 4.23 | 64,203 |
| Musical Acts by Letter - R | 0 | - | 4.32 | 81,730 |
| Musical Acts by Letter - T | 0 | - | 4.11 | 66,069 |
| Musical Acts by Letter - A | 0 | - | 4.27 | 80,606 |
| Musical Acts by Letter - B | 0 | - | 4.34 | 71,389 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 58,727 |
| Musical Acts by Letter - D | 0 | - | 4.11 | 51,782 |
| Musical Acts by Letter - E | 0 | - | 4.36 | 60,193 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 228,573 |
| A to Z: Musical Terms #2 | 0 | - | 4.11 | 10,493 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 42,286 |
| NATO Military Alphabet | 0 | - | 4.98 | 534,831 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,077 |
| Geography by Letter - A | 0 | - | 4.70 | 205,228 |
| Geography by Letter - B | 0 | - | 4.56 | 178,557 |
| Geography by Letter - H | 0 | - | 4.70 | 145,382 |
| Geography by Letter - C | 0 | - | 4.51 | 153,552 |
| Geography by Letter - D | 0 | - | 4.49 | 145,830 |
| Geography by Letter - E | 0 | - | 4.41 | 142,813 |
| Geography by Letter - I | 0 | - | 4.41 | 118,375 |
| Geography by Letter - K | 0 | - | 4.53 | 114,518 |
| Geography by Letter - L | 0 | - | 4.45 | 144,245 |
| Geography by Letter - M | 0 | - | 4.49 | 114,491 |
| Geography by Letter - N | 0 | - | 4.51 | 123,232 |
| Geography by Letter - P | 0 | - | 4.48 | 171,570 |
| Geography by Letter - R | 0 | - | 4.43 | 125,982 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 135,340 |
| Geography by Letter - U | 0 | - | 4.52 | 137,687 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,268 |
| Geography A-Z #2 | 0 | - | 4.46 | 51,697 |
| Geography A-Z #5 | 0 | - | 4.46 | 36,484 |
| Geography A-Z #1 | 0 | - | 4.56 | 68,291 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 112,513 |
| Movies that Start with G | 0 | - | 4.49 | 67,215 |
| Movies that Start with I | 0 | - | 4.41 | 63,899 |
| History by Letter - A | 0 | - | 4.51 | 147,995 |
| History by Letter - B | 0 | - | 4.46 | 166,836 |
| History by Letter - C | 0 | - | 4.68 | 165,449 |
| History by Letter - E | 0 | - | 4.50 | 135,924 |
| History by Letter - G | 0 | - | 4.46 | 118,090 |
| History by Letter - H | 0 | - | 4.44 | 132,284 |
| History by Letter - J | 0 | - | 4.50 | 149,195 |
| History by Letter - N | 0 | - | 4.43 | 100,591 |
| History by Letter - S | 0 | - | 4.46 | 91,062 |
| History by Letter - T | 0 | - | 4.43 | 102,491 |
| History by Letter - W | 0 | - | 4.47 | 105,768 |
| History by Letter - M | 0 | - | 4.53 | 115,923 |
| History by Letter - K | 0 | - | 4.50 | 98,262 |
| History by Letter - L | 0 | - | 4.48 | 108,646 |
| History by Letter - I | 0 | - | 4.45 | 100,969 |
| Brand Logos That Start with A | 0 | - | 4.51 | 65,542 |
| Musical Acts by Letter - F | 0 | - | 3.83 | 61,576 |
| Musical Acts by Letter - G | 0 | - | 3.93 | 68,373 |
| Musical Acts by Letter - L | 0 | - | 3.80 | 70,520 |
| Musical Acts by Letter - S | 0 | - | 3.99 | 81,363 |
| Musical Acts by Letter - K | 0 | - | 3.87 | 88,242 |
| Countries by Military Spending | 0 | - | 4.93 | 171,161 |
| Classic Novels by Plot #2 | 0 | - | 4.83 | 35,257 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 115,136 |
| All Hamilton Songs | 0 | - | 4.70 | 45,643 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,262,962 |
| Animals that Start with L | 0 | - | 4.46 | 99,107 |
| Animals that Start with P | 0 | - | 4.44 | 83,826 |
| Animals that Start with S | 0 | - | 4.49 | 84,789 |
| Geography by Letter on the World Map - B | 0 | - | 4.53 | 86,515 |
| Geography by Letter on the World Map - A | 0 | - | 4.80 | 102,646 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 112,893 |
| World Cities A-Z #1 | 0 | - | 4.52 | 61,129 |
| Islands A-Z | 0 | - | 4.46 | 113,435 |
| World Cities A-Z #2 | 0 | - | 4.44 | 53,494 |
| Human Body A-Z | 0 | - | 4.50 | 125,466 |
| Africa A-Z | 0 | - | 4.57 | 45,596 |
| People in History A-Z #1 | 0 | - | 4.63 | 96,319 |
| People in History A-Z #2 | 0 | - | 4.47 | 53,407 |
| People in History A-Z #3 | 0 | - | 4.48 | 44,809 |
| Queen Songs | 0 | - | 4.83 | 24,272 |
| Longest Running Broadway Theater Productions | 0 | - | 4.03 | 51,776 |
| Songs From Broadway Musicals #1 | 0 | - | 4.14 | 55,062 |
| Songs From Broadway Musicals #2 | 0 | - | 4.21 | 32,595 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.28 | 48,782 |
| Disney A-Z | 0 | - | 4.38 | 83,583 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.41 | 14,710 |
| Companies A-Z | 0 | - | 4.30 | 42,248 |
| Religion A-Z #1 | 0 | - | 4.31 | 60,889 |
| Geography by Letter - G | 0 | - | 4.35 | 122,359 |
| Geography by Letter - F | 0 | - | 4.27 | 133,438 |
| Geography by Letter - J | 0 | - | 4.33 | 118,982 |
| Geography by Letter - O | 0 | - | 4.37 | 125,905 |
| Geography by Letter - V | 0 | - | 4.38 | 116,893 |
| Geography by Letter - W | 0 | - | 4.39 | 111,518 |
| Geography by Letter - Y | 0 | - | 4.38 | 107,823 |
| Geography by Letter - Z | 0 | - | 4.09 | 78,745 |
| Geography by Letter - Q | 0 | - | 4.38 | 66,624 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.17 | 34,595 |
| Video Games A-Z | 0 | - | 4.06 | 37,566 |
| Geography A-Z #3 | 0 | - | 4.20 | 38,345 |
| Movies that Start with A | 0 | - | 4.11 | 60,704 |
| Movies that Start with C | 0 | - | 4.29 | 60,507 |
| Movies that Start with B | 0 | - | 4.34 | 83,685 |
| Movies that Start with D | 0 | - | 4.34 | 67,451 |
| Movies that Start with E | 0 | - | 4.13 | 67,350 |
| Movies that Start with J | 0 | - | 4.22 | 74,937 |
| Movies that Start with L | 0 | - | 4.15 | 59,504 |
| Movies that Start with M | 0 | - | 4.28 | 47,466 |
| Movies that Start with N | 0 | - | 4.01 | 40,582 |
| Movies that Start with P | 0 | - | 4.25 | 53,413 |
| Movies that Start with R | 0 | - | 4.16 | 45,696 |
| Movies that Start with W | 0 | - | 4.06 | 43,634 |
| Movies that Start with T | 0 | - | 4.34 | 48,418 |
| Movies that Start with S | 0 | - | 4.36 | 55,555 |
| Movies that Start with F | 0 | - | 4.13 | 67,831 |
| History by Letter - D | 0 | - | 4.35 | 133,579 |
| History by Letter - F | 0 | - | 4.19 | 110,729 |
| History by Letter - O | 0 | - | 4.31 | 96,686 |
| History by Letter - P | 0 | - | 4.37 | 104,570 |
| History by Letter - Q | 0 | - | 4.35 | 78,191 |
| History by Letter - R | 0 | - | 4.25 | 119,001 |
| History by Letter - U | 0 | - | 4.18 | 97,920 |
| History by Letter - V | 0 | - | 4.29 | 78,649 |
| History by Letter - Y | 0 | - | 4.25 | 84,997 |
| History by Letter - Z | 0 | - | 4.20 | 75,206 |
| The 3rd and 4th Century | 0 | - | 4.59 | 26,376 |
| Questions in Music | 0 | - | 4.41 | 51,907 |
| Top Musical Acts of All-Time | 0 | - | 3.85 | 131,028 |
| Countries with the Most Metal Bands | 0 | - | 4.95 | 64,921 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 150,615 |
| Top Five Exporting Partners by Country | 0 | - | 4.85 | 65,536 |
| Middle East A-Z | 0 | - | 4.46 | 44,915 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 43,368 |
| 20th Century A-Z | 0 | - | 4.51 | 51,093 |
| 19th Century A-Z | 0 | - | 4.74 | 44,763 |
| 18th Century A-Z | 0 | - | 4.57 | 40,687 |
| Movie Musicals by Cast | 0 | - | 4.19 | 14,066 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.94 | 62,781 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 106,514 |
| Tony Best Musicals Quiz | 0 | - | 4.31 | 24,798 |
| Characters from Musicals | 0 | - | 4.25 | 25,711 |
| Musical Theater Trivia | 0 | - | 4.18 | 16,332 |
| Family Bands | 0 | - | 4.11 | 21,545 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 82,232 |
| Star Wars A-Z | 0 | - | 4.45 | 85,100 |
| Monarchies of the World | 0 | - | 4.93 | 159,678 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 107,160 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 106,086 |
| Countries where the Sea Freezes | 0 | - | 4.92 | 98,801 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 72,198 |
| Literature by Letter - A | 0 | - | 4.23 | 31,008 |
| Literature by Letter - D | 0 | - | 4.29 | 19,911 |
| Literature by Letter - C | 0 | - | 4.32 | 25,766 |
| Literature by Letter - F | 0 | - | 4.25 | 16,621 |
| Literature by Letter - E | 0 | - | 4.03 | 14,519 |
| Literature by Letter - H | 0 | - | 4.23 | 17,572 |
| Literature by Letter - I | 0 | - | 4.23 | 14,745 |
| Literature by Letter - L | 0 | - | 4.32 | 22,680 |
| Literature by Letter - M | 0 | - | 4.16 | 18,133 |
| Literature by Letter - P | 0 | - | 4.16 | 16,319 |
| Literature by Letter - O | 0 | - | 4.30 | 13,130 |
| Literature by Letter - J | 0 | - | 4.23 | 14,386 |
| Literature by Letter - N | 0 | - | 4.24 | 13,900 |
| Literature by Letter - K | 0 | - | 4.13 | 11,886 |
| Literature by Letter - R | 0 | - | 4.06 | 11,536 |
| Literature by Letter - T | 0 | - | 4.37 | 18,100 |
| Literature by Letter - U | 0 | - | 4.20 | 12,754 |
| Literature by Letter - V | 0 | - | 4.06 | 11,378 |
| Literature by Letter - W | 0 | - | 4.15 | 13,145 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.77 | 757,820 |
| Astronomy Quiz | 0 | - | 4.89 | 78,292 |
