| Music by Letter - F | 0 | - | 4.48 | 26,958 |
| Music by Letter - A | 0 | - | 4.61 | 31,327 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,266 |
| Music by Letter - E | 0 | - | 4.39 | 26,652 |
| Music by Letter - I | 0 | - | 4.22 | 15,766 |
| Music by Letter - H | 0 | - | 4.27 | 22,494 |
| Music by Letter - B | 0 | - | 4.39 | 25,325 |
| Music by Letter - J | 0 | - | 4.37 | 20,630 |
| Music by Letter - G | 0 | - | 4.35 | 21,297 |
| Music by Letter - R | 0 | - | 4.04 | 15,089 |
| Music by Letter - C | 0 | - | 4.14 | 21,269 |
| Music by Letter - P | 0 | - | 4.38 | 19,528 |
| Music by Letter - D | 0 | - | 4.27 | 22,208 |
| Music by Letter - W | 0 | - | 4.36 | 18,638 |
| Music by Letter - N | 0 | - | 4.23 | 14,762 |
| Music by Letter - M | 0 | - | 4.27 | 18,249 |
| Music by Letter - K | 0 | - | 4.11 | 16,208 |
| Music by Letter - T | 0 | - | 4.31 | 19,346 |
| Music by Letter - L | 0 | - | 4.33 | 16,057 |
| Music by Letter - S | 0 | - | 4.22 | 19,029 |
| Music by Letter - O | 0 | - | 4.21 | 17,035 |
| Geography by Letter - T | 0 | - | 4.84 | 153,557 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,983 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,683 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,162 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,046 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,832 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,659 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,147 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,936 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,569 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,385 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,250 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,265 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,352 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,202 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 67,848 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,644 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 73,218 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 60,170 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 53,057 |
| Musical Acts by Letter - E | 0 | - | 4.37 | 61,620 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,186 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 11,010 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,323 |
| NATO Military Alphabet | 0 | - | 4.98 | 558,001 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 801,014 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,961 |
| Geography by Letter - A | 0 | - | 4.74 | 211,336 |
| Geography by Letter - B | 0 | - | 4.56 | 184,385 |
| Geography by Letter - H | 0 | - | 4.69 | 150,131 |
| Geography by Letter - C | 0 | - | 4.47 | 158,487 |
| Geography by Letter - D | 0 | - | 4.50 | 150,341 |
| Geography by Letter - E | 0 | - | 4.42 | 147,428 |
| Geography by Letter - I | 0 | - | 4.42 | 121,855 |
| Geography by Letter - K | 0 | - | 4.53 | 117,966 |
| Geography by Letter - L | 0 | - | 4.43 | 148,340 |
| Geography by Letter - M | 0 | - | 4.49 | 118,477 |
| Geography by Letter - N | 0 | - | 4.51 | 126,896 |
| Geography by Letter - P | 0 | - | 4.47 | 175,857 |
| Geography by Letter - R | 0 | - | 4.43 | 131,414 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,371 |
| Geography by Letter - U | 0 | - | 4.53 | 142,870 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,101 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,849 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,313 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,516 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,118 |
| Movies that Start with G | 0 | - | 4.49 | 68,459 |
| Movies that Start with I | 0 | - | 4.41 | 65,098 |
| History by Letter - A | 0 | - | 4.51 | 152,763 |
| History by Letter - B | 0 | - | 4.45 | 171,993 |
| History by Letter - C | 0 | - | 4.70 | 171,270 |
| History by Letter - E | 0 | - | 4.51 | 140,453 |
| History by Letter - G | 0 | - | 4.46 | 121,959 |
| History by Letter - H | 0 | - | 4.45 | 136,419 |
| History by Letter - J | 0 | - | 4.51 | 153,867 |
| History by Letter - N | 0 | - | 4.45 | 103,978 |
| History by Letter - S | 0 | - | 4.47 | 94,276 |
| History by Letter - W | 0 | - | 4.45 | 109,215 |
| History by Letter - M | 0 | - | 4.54 | 119,736 |
| History by Letter - K | 0 | - | 4.50 | 101,263 |
| History by Letter - L | 0 | - | 4.50 | 111,986 |
| History by Letter - I | 0 | - | 4.46 | 104,111 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,999 |
| Musical Acts by Letter - F | 0 | - | 3.84 | 62,446 |
| Musical Acts by Letter - G | 0 | - | 3.97 | 69,345 |
| Musical Acts by Letter - L | 0 | - | 3.81 | 71,474 |
| Musical Acts by Letter - S | 0 | - | 3.98 | 82,974 |
| Musical Acts by Letter - K | 0 | - | 3.88 | 89,249 |
| Countries by Military Spending | 0 | - | 4.93 | 177,270 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,845 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,320 |
| All Hamilton Songs | 0 | - | 4.75 | 48,825 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,312,984 |
| Animals that Start with L | 0 | - | 4.47 | 101,759 |
| Animals that Start with P | 0 | - | 4.45 | 86,001 |
| Animals that Start with S | 0 | - | 4.49 | 87,203 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,196 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,269 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,838 |
| Islands A-Z | 0 | - | 4.46 | 118,246 |
| Human Body A-Z | 0 | - | 4.51 | 128,997 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,355 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,143 |
| Africa A-Z | 0 | - | 4.57 | 46,555 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,908 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,033 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,125 |
| Queen Songs | 0 | - | 4.83 | 25,507 |
| Longest Running Broadway Theater Productions | 0 | - | 4.03 | 52,271 |
| Songs From Broadway Musicals #1 | 0 | - | 4.14 | 56,661 |
| Songs From Broadway Musicals #2 | 0 | - | 4.20 | 33,739 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.24 | 50,407 |
| Disney A-Z | 0 | - | 4.37 | 86,935 |
| Literature by Letter - A | 0 | - | 4.23 | 31,890 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,137 |
| Companies A-Z | 0 | - | 4.30 | 42,677 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,594 |
| Geography by Letter - G | 0 | - | 4.35 | 126,134 |
| Geography by Letter - F | 0 | - | 4.27 | 137,698 |
| Geography by Letter - J | 0 | - | 4.34 | 122,759 |
| Geography by Letter - O | 0 | - | 4.37 | 129,603 |
| Geography by Letter - V | 0 | - | 4.39 | 121,574 |
| Geography by Letter - W | 0 | - | 4.39 | 114,713 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,205 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,516 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,358 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,220 |
| Video Games A-Z | 0 | - | 4.08 | 38,906 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,199 |
| Movies that Start with A | 0 | - | 4.13 | 61,816 |
| Movies that Start with C | 0 | - | 4.30 | 61,780 |
| Movies that Start with B | 0 | - | 4.36 | 85,140 |
| Movies that Start with D | 0 | - | 4.34 | 68,384 |
| Movies that Start with E | 0 | - | 4.13 | 68,313 |
| Movies that Start with J | 0 | - | 4.18 | 76,096 |
| Movies that Start with L | 0 | - | 4.16 | 60,368 |
| Movies that Start with M | 0 | - | 4.28 | 48,183 |
| Movies that Start with N | 0 | - | 4.02 | 41,218 |
| Movies that Start with P | 0 | - | 4.25 | 54,118 |
| Movies that Start with R | 0 | - | 4.17 | 46,592 |
| Movies that Start with W | 0 | - | 4.07 | 44,228 |
| Movies that Start with T | 0 | - | 4.34 | 49,248 |
| Movies that Start with S | 0 | - | 4.35 | 56,419 |
| Movies that Start with F | 0 | - | 4.13 | 68,791 |
| History by Letter - D | 0 | - | 4.39 | 137,428 |
| History by Letter - F | 0 | - | 4.18 | 114,132 |
| History by Letter - O | 0 | - | 4.32 | 99,425 |
| History by Letter - P | 0 | - | 4.39 | 107,764 |
| History by Letter - Q | 0 | - | 4.34 | 80,266 |
| History by Letter - R | 0 | - | 4.26 | 122,091 |
| History by Letter - T | 0 | - | 4.39 | 105,195 |
| History by Letter - U | 0 | - | 4.19 | 100,715 |
| History by Letter - V | 0 | - | 4.27 | 80,699 |
| History by Letter - Y | 0 | - | 4.27 | 87,209 |
| History by Letter - Z | 0 | - | 4.20 | 76,982 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,210 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,774 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,307 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,471 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,874 |
| Questions in Music | 0 | - | 4.41 | 54,300 |
| Top Musical Acts of All-Time | 0 | - | 3.86 | 132,485 |
| Countries with the Most Metal Bands | 0 | - | 4.96 | 67,462 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,715 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,051 |
| Middle East A-Z | 0 | - | 4.47 | 45,962 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,289 |
| 20th Century A-Z | 0 | - | 4.50 | 53,600 |
| 19th Century A-Z | 0 | - | 4.77 | 47,181 |
| 18th Century A-Z | 0 | - | 4.54 | 43,067 |
| Movie Musicals by Cast | 0 | - | 4.22 | 14,712 |
| Who Did that Pop Song #1 | 0 | - | 4.41 | 352,973 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.95 | 67,657 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,498 |
| Tony Best Musicals | 0 | - | 4.32 | 25,566 |
| Characters from Musicals | 0 | - | 4.24 | 26,659 |
| Musical Theater Trivia | 0 | - | 4.21 | 16,859 |
| Family Bands | 0 | - | 4.11 | 21,800 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,491 |
| Star Wars A-Z | 0 | - | 4.46 | 87,981 |
| Monarchies of the World | 0 | - | 4.94 | 167,822 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,288 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,516 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,030 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,961 |
| Literature by Letter - D | 0 | - | 4.30 | 20,560 |
| Literature by Letter - C | 0 | - | 4.34 | 26,506 |
| Literature by Letter - F | 0 | - | 4.26 | 17,181 |
| Literature by Letter - E | 0 | - | 4.03 | 15,061 |
| Literature by Letter - H | 0 | - | 4.23 | 18,089 |
| Literature by Letter - I | 0 | - | 4.25 | 15,230 |
| Literature by Letter - L | 0 | - | 4.32 | 23,225 |
| Literature by Letter - M | 0 | - | 4.18 | 18,631 |
| Literature by Letter - P | 0 | - | 4.18 | 16,746 |
| Literature by Letter - O | 0 | - | 4.30 | 13,538 |
| Literature by Letter - J | 0 | - | 4.23 | 14,830 |
| Literature by Letter - N | 0 | - | 4.24 | 14,315 |
| Literature by Letter - K | 0 | - | 4.13 | 12,297 |
