| Music by Letter - F | 0 | - | 4.48 | 26,889 |
| Music by Letter - A | 0 | - | 4.61 | 31,255 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,172 |
| Music by Letter - E | 0 | - | 4.39 | 26,598 |
| Music by Letter - I | 0 | - | 4.22 | 15,722 |
| Music by Letter - H | 0 | - | 4.27 | 22,435 |
| Music by Letter - B | 0 | - | 4.39 | 25,265 |
| Music by Letter - J | 0 | - | 4.37 | 20,588 |
| Music by Letter - G | 0 | - | 4.35 | 21,246 |
| Music by Letter - R | 0 | - | 4.10 | 15,048 |
| Music by Letter - P | 0 | - | 4.38 | 19,487 |
| Music by Letter - D | 0 | - | 4.32 | 22,145 |
| Music by Letter - W | 0 | - | 4.36 | 18,600 |
| Music by Letter - N | 0 | - | 4.23 | 14,720 |
| Music by Letter - V | 0 | - | 4.33 | 17,767 |
| Music by Letter - M | 0 | - | 4.27 | 18,195 |
| Music by Letter - K | 0 | - | 4.11 | 16,161 |
| Music by Letter - T | 0 | - | 4.31 | 19,302 |
| Music by Letter - L | 0 | - | 4.33 | 16,019 |
| Music by Letter - S | 0 | - | 4.22 | 18,990 |
| Music by Letter - O | 0 | - | 4.21 | 16,995 |
| Geography by Letter - T | 0 | - | 4.84 | 152,851 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,519 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,193 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,941 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,326 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,617 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,190 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,766 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,609 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,351 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,272 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,091 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,163 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,239 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,082 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 67,686 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,460 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 73,059 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 60,040 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 52,955 |
| Musical Acts by Letter - E | 0 | - | 4.36 | 61,494 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,494 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 10,980 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,260 |
| NATO Military Alphabet | 0 | - | 4.98 | 555,868 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 799,071 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,892 |
| Geography by Letter - A | 0 | - | 4.74 | 210,706 |
| Geography by Letter - B | 0 | - | 4.56 | 183,669 |
| Geography by Letter - H | 0 | - | 4.69 | 149,567 |
| Geography by Letter - C | 0 | - | 4.47 | 157,914 |
| Geography by Letter - D | 0 | - | 4.50 | 149,819 |
| Geography by Letter - E | 0 | - | 4.42 | 146,942 |
| Geography by Letter - I | 0 | - | 4.42 | 121,444 |
| Geography by Letter - K | 0 | - | 4.53 | 117,566 |
| Geography by Letter - L | 0 | - | 4.43 | 147,880 |
| Geography by Letter - M | 0 | - | 4.49 | 117,879 |
| Geography by Letter - N | 0 | - | 4.51 | 126,497 |
| Geography by Letter - P | 0 | - | 4.47 | 175,422 |
| Geography by Letter - R | 0 | - | 4.44 | 130,665 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,901 |
| Geography by Letter - U | 0 | - | 4.53 | 142,371 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,026 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,757 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,237 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,419 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,004 |
| Movies that Start with G | 0 | - | 4.48 | 68,332 |
| Movies that Start with I | 0 | - | 4.41 | 64,978 |
| History by Letter - A | 0 | - | 4.51 | 152,369 |
| History by Letter - B | 0 | - | 4.45 | 171,552 |
| History by Letter - C | 0 | - | 4.70 | 170,656 |
| History by Letter - E | 0 | - | 4.51 | 140,080 |
| History by Letter - G | 0 | - | 4.46 | 121,648 |
| History by Letter - H | 0 | - | 4.45 | 136,095 |
| History by Letter - J | 0 | - | 4.51 | 153,490 |
| History by Letter - N | 0 | - | 4.45 | 103,561 |
| History by Letter - S | 0 | - | 4.47 | 93,821 |
| History by Letter - W | 0 | - | 4.45 | 108,922 |
| History by Letter - M | 0 | - | 4.54 | 119,287 |
| History by Letter - K | 0 | - | 4.50 | 100,982 |
| History by Letter - L | 0 | - | 4.50 | 111,685 |
| History by Letter - I | 0 | - | 4.46 | 103,846 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,605 |
| Musical Acts by Letter - F | 0 | - | 3.84 | 62,365 |
| Musical Acts by Letter - G | 0 | - | 3.97 | 69,262 |
| Musical Acts by Letter - L | 0 | - | 3.81 | 71,391 |
| Musical Acts by Letter - S | 0 | - | 3.98 | 82,831 |
| Musical Acts by Letter - K | 0 | - | 3.88 | 89,164 |
| Countries by Military Spending | 0 | - | 4.93 | 176,777 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,653 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.91 | 119,959 |
| All Hamilton Songs | 0 | - | 4.74 | 48,544 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,308,447 |
| Animals that Start with L | 0 | - | 4.47 | 101,631 |
| Animals that Start with P | 0 | - | 4.45 | 85,888 |
| Animals that Start with S | 0 | - | 4.49 | 87,072 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,845 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,874 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,017 |
| Islands A-Z | 0 | - | 4.46 | 116,998 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 58,361 |
| Human Body A-Z | 0 | - | 4.51 | 128,786 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,972 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,967 |
| Africa A-Z | 0 | - | 4.57 | 46,460 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,748 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,908 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,033 |
| Queen Songs | 0 | - | 4.84 | 25,354 |
| Longest Running Broadway Theater Productions | 0 | - | 4.03 | 52,230 |
| Songs From Broadway Musicals #1 | 0 | - | 4.14 | 56,523 |
| Songs From Broadway Musicals #2 | 0 | - | 4.20 | 33,633 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.27 | 50,298 |
| Disney A-Z | 0 | - | 4.37 | 86,741 |
| Literature by Letter - A | 0 | - | 4.23 | 31,811 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,087 |
| Companies A-Z | 0 | - | 4.30 | 42,641 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,531 |
| Geography by Letter - G | 0 | - | 4.35 | 125,708 |
| Geography by Letter - F | 0 | - | 4.27 | 137,307 |
| Geography by Letter - J | 0 | - | 4.34 | 122,387 |
| Geography by Letter - O | 0 | - | 4.37 | 129,229 |
| Geography by Letter - V | 0 | - | 4.39 | 121,170 |
| Geography by Letter - W | 0 | - | 4.39 | 114,403 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,882 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,225 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,065 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,156 |
| Video Games A-Z | 0 | - | 4.08 | 38,783 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,131 |
| Movies that Start with A | 0 | - | 4.13 | 61,717 |
| Movies that Start with C | 0 | - | 4.30 | 61,659 |
| Movies that Start with B | 0 | - | 4.36 | 85,009 |
| Movies that Start with D | 0 | - | 4.34 | 68,291 |
| Movies that Start with E | 0 | - | 4.13 | 68,227 |
| Movies that Start with J | 0 | - | 4.18 | 75,991 |
| Movies that Start with L | 0 | - | 4.16 | 60,272 |
| Movies that Start with M | 0 | - | 4.28 | 48,115 |
| Movies that Start with N | 0 | - | 4.02 | 41,146 |
| Movies that Start with P | 0 | - | 4.25 | 54,049 |
| Movies that Start with R | 0 | - | 4.17 | 46,505 |
| Movies that Start with W | 0 | - | 4.07 | 44,173 |
| Movies that Start with T | 0 | - | 4.33 | 49,172 |
| Movies that Start with S | 0 | - | 4.35 | 56,326 |
| Movies that Start with F | 0 | - | 4.13 | 68,705 |
| History by Letter - D | 0 | - | 4.39 | 137,088 |
| History by Letter - F | 0 | - | 4.18 | 113,851 |
| History by Letter - O | 0 | - | 4.32 | 99,208 |
| History by Letter - P | 0 | - | 4.39 | 107,495 |
| History by Letter - Q | 0 | - | 4.34 | 80,097 |
| History by Letter - R | 0 | - | 4.26 | 121,833 |
| History by Letter - T | 0 | - | 4.39 | 104,999 |
| History by Letter - U | 0 | - | 4.19 | 100,494 |
| History by Letter - V | 0 | - | 4.27 | 80,501 |
| History by Letter - Y | 0 | - | 4.27 | 87,037 |
| History by Letter - Z | 0 | - | 4.18 | 76,832 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,158 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,469 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,956 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,219 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,498 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,002 |
| Questions in Music | 0 | - | 4.41 | 54,137 |
| Top Musical Acts of All-Time | 0 | - | 3.86 | 132,370 |
| Countries with the Most Metal Bands | 0 | - | 4.95 | 67,272 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,198 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,938 |
| Middle East A-Z | 0 | - | 4.47 | 45,880 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,213 |
| 20th Century A-Z | 0 | - | 4.50 | 53,252 |
| 19th Century A-Z | 0 | - | 4.77 | 46,801 |
| 18th Century A-Z | 0 | - | 4.54 | 42,690 |
| Movie Musicals by Cast | 0 | - | 4.22 | 14,651 |
| Who Did that Pop Song #1 | 0 | - | 4.41 | 352,526 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.95 | 67,314 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,194 |
| Tony Best Musicals | 0 | - | 4.31 | 25,484 |
| Characters from Musicals | 0 | - | 4.24 | 26,571 |
| Musical Theater Trivia | 0 | - | 4.21 | 16,815 |
| Family Bands | 0 | - | 4.11 | 21,784 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,328 |
| Star Wars A-Z | 0 | - | 4.46 | 87,376 |
| Monarchies of the World | 0 | - | 4.94 | 167,156 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,971 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,201 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,698 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,789 |
| Literature by Letter - D | 0 | - | 4.30 | 20,496 |
| Literature by Letter - C | 0 | - | 4.34 | 26,432 |
| Literature by Letter - F | 0 | - | 4.26 | 17,115 |
| Literature by Letter - E | 0 | - | 4.03 | 14,999 |
| Literature by Letter - H | 0 | - | 4.23 | 18,034 |
| Literature by Letter - I | 0 | - | 4.25 | 15,176 |
| Literature by Letter - L | 0 | - | 4.32 | 23,175 |
| Literature by Letter - M | 0 | - | 4.18 | 18,571 |
| Literature by Letter - P | 0 | - | 4.18 | 16,694 |
| Literature by Letter - O | 0 | - | 4.30 | 13,487 |
| Literature by Letter - J | 0 | - | 4.23 | 14,778 |
