| Music by Letter - F | 0 | - | 4.48 | 26,859 |
| Music by Letter - A | 0 | - | 4.61 | 31,233 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,121 |
| Music by Letter - E | 0 | - | 4.39 | 26,577 |
| Music by Letter - I | 0 | - | 4.22 | 15,700 |
| Music by Letter - H | 0 | - | 4.27 | 22,409 |
| Music by Letter - B | 0 | - | 4.39 | 25,242 |
| Music by Letter - J | 0 | - | 4.37 | 20,571 |
| Music by Letter - G | 0 | - | 4.35 | 21,225 |
| Music by Letter - R | 0 | - | 4.10 | 15,026 |
| Music by Letter - C | 0 | - | 4.19 | 21,196 |
| Music by Letter - P | 0 | - | 4.38 | 19,466 |
| Music by Letter - D | 0 | - | 4.32 | 22,122 |
| Music by Letter - W | 0 | - | 4.36 | 18,584 |
| Music by Letter - N | 0 | - | 4.23 | 14,698 |
| Music by Letter - V | 0 | - | 4.33 | 17,745 |
| Music by Letter - M | 0 | - | 4.27 | 18,176 |
| Music by Letter - K | 0 | - | 4.11 | 16,144 |
| Music by Letter - T | 0 | - | 4.31 | 19,283 |
| Music by Letter - L | 0 | - | 4.33 | 15,995 |
| Music by Letter - S | 0 | - | 4.22 | 18,974 |
| Music by Letter - O | 0 | - | 4.21 | 16,973 |
| Geography by Letter - T | 0 | - | 4.84 | 152,652 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,396 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,061 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,849 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,169 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,517 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 190,994 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,591 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,495 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,265 |
| Musical Acts by Letter - J | 0 | - | 4.20 | 77,227 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 93,015 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,114 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,196 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,032 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 67,614 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,394 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 72,998 |
| Musical Acts by Letter - C | 0 | - | 4.33 | 59,985 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 52,914 |
| Musical Acts by Letter - E | 0 | - | 4.36 | 61,444 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,217 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 10,966 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,224 |
| NATO Military Alphabet | 0 | - | 4.98 | 555,053 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 798,497 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,850 |
| Geography by Letter - A | 0 | - | 4.74 | 210,313 |
| Geography by Letter - B | 0 | - | 4.56 | 183,453 |
| Geography by Letter - H | 0 | - | 4.69 | 149,410 |
| Geography by Letter - C | 0 | - | 4.47 | 157,723 |
| Geography by Letter - D | 0 | - | 4.50 | 149,641 |
| Geography by Letter - E | 0 | - | 4.42 | 146,784 |
| Geography by Letter - I | 0 | - | 4.42 | 121,304 |
| Geography by Letter - K | 0 | - | 4.53 | 117,438 |
| Geography by Letter - L | 0 | - | 4.43 | 147,742 |
| Geography by Letter - M | 0 | - | 4.49 | 117,753 |
| Geography by Letter - N | 0 | - | 4.51 | 126,371 |
| Geography by Letter - P | 0 | - | 4.47 | 175,290 |
| Geography by Letter - R | 0 | - | 4.43 | 130,513 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,750 |
| Geography by Letter - U | 0 | - | 4.54 | 142,227 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,001 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,723 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,212 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,379 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,960 |
| Movies that Start with G | 0 | - | 4.48 | 68,285 |
| Movies that Start with I | 0 | - | 4.41 | 64,926 |
| History by Letter - A | 0 | - | 4.51 | 152,241 |
| History by Letter - B | 0 | - | 4.45 | 171,406 |
| History by Letter - C | 0 | - | 4.70 | 170,484 |
| History by Letter - E | 0 | - | 4.51 | 139,973 |
| History by Letter - G | 0 | - | 4.45 | 121,556 |
| History by Letter - H | 0 | - | 4.45 | 135,991 |
| History by Letter - J | 0 | - | 4.51 | 153,357 |
| History by Letter - N | 0 | - | 4.44 | 103,484 |
| History by Letter - S | 0 | - | 4.47 | 93,761 |
| History by Letter - W | 0 | - | 4.45 | 108,844 |
| History by Letter - M | 0 | - | 4.54 | 119,194 |
| History by Letter - K | 0 | - | 4.50 | 100,905 |
| History by Letter - L | 0 | - | 4.49 | 111,596 |
| History by Letter - I | 0 | - | 4.46 | 103,767 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,425 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,327 |
| Musical Acts by Letter - F | 0 | - | 3.84 | 62,334 |
| Musical Acts by Letter - G | 0 | - | 3.97 | 69,234 |
| Musical Acts by Letter - L | 0 | - | 3.81 | 71,354 |
| Musical Acts by Letter - S | 0 | - | 3.98 | 82,775 |
| Musical Acts by Letter - K | 0 | - | 3.88 | 89,129 |
| Countries by Military Spending | 0 | - | 4.93 | 176,574 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,597 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.91 | 119,844 |
| All Hamilton Songs | 0 | - | 4.74 | 48,431 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,306,757 |
| Animals that Start with L | 0 | - | 4.47 | 101,555 |
| Animals that Start with P | 0 | - | 4.45 | 85,776 |
| Animals that Start with S | 0 | - | 4.49 | 86,972 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,742 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,742 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 66,642 |
| Islands A-Z | 0 | - | 4.46 | 116,887 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 58,055 |
| Human Body A-Z | 0 | - | 4.51 | 128,651 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,695 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,884 |
| Africa A-Z | 0 | - | 4.57 | 46,408 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,683 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,872 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,990 |
| Queen Songs | 0 | - | 4.84 | 25,284 |
| Longest Running Broadway Theater Productions | 0 | - | 4.03 | 52,216 |
| Songs From Broadway Musicals #1 | 0 | - | 4.14 | 56,455 |
| Songs From Broadway Musicals #2 | 0 | - | 4.20 | 33,589 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.27 | 50,254 |
| Disney A-Z | 0 | - | 4.37 | 86,634 |
| Literature by Letter - A | 0 | - | 4.23 | 31,784 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,078 |
| Companies A-Z | 0 | - | 4.30 | 42,625 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,508 |
| Geography by Letter - G | 0 | - | 4.35 | 125,583 |
| Geography by Letter - F | 0 | - | 4.27 | 137,165 |
| Geography by Letter - J | 0 | - | 4.34 | 122,252 |
| Geography by Letter - O | 0 | - | 4.37 | 129,103 |
| Geography by Letter - V | 0 | - | 4.39 | 121,013 |
| Geography by Letter - W | 0 | - | 4.39 | 114,289 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,772 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,126 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,966 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,133 |
| Video Games A-Z | 0 | - | 4.08 | 38,739 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,102 |
| Movies that Start with A | 0 | - | 4.13 | 61,666 |
| Movies that Start with C | 0 | - | 4.30 | 61,614 |
| Movies that Start with B | 0 | - | 4.35 | 84,948 |
| Movies that Start with D | 0 | - | 4.34 | 68,251 |
| Movies that Start with E | 0 | - | 4.13 | 68,190 |
| Movies that Start with J | 0 | - | 4.18 | 75,948 |
| Movies that Start with L | 0 | - | 4.16 | 60,239 |
| Movies that Start with M | 0 | - | 4.28 | 48,085 |
| Movies that Start with N | 0 | - | 4.02 | 41,126 |
| Movies that Start with P | 0 | - | 4.25 | 54,021 |
| Movies that Start with R | 0 | - | 4.17 | 46,476 |
| Movies that Start with W | 0 | - | 4.07 | 44,151 |
| Movies that Start with T | 0 | - | 4.33 | 49,142 |
| Movies that Start with S | 0 | - | 4.35 | 56,289 |
| Movies that Start with F | 0 | - | 4.13 | 68,664 |
| History by Letter - D | 0 | - | 4.39 | 136,989 |
| History by Letter - F | 0 | - | 4.18 | 113,775 |
| History by Letter - O | 0 | - | 4.31 | 99,135 |
| History by Letter - P | 0 | - | 4.39 | 107,431 |
| History by Letter - Q | 0 | - | 4.34 | 80,030 |
| History by Letter - R | 0 | - | 4.26 | 121,751 |
| History by Letter - T | 0 | - | 4.39 | 104,948 |
| History by Letter - U | 0 | - | 4.19 | 100,437 |
| History by Letter - V | 0 | - | 4.27 | 80,435 |
| History by Letter - Y | 0 | - | 4.27 | 86,991 |
| History by Letter - Z | 0 | - | 4.18 | 76,787 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,131 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,816 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,120 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,345 |
| Questions in Music | 0 | - | 4.41 | 54,065 |
| Top Musical Acts of All-Time | 0 | - | 3.86 | 132,321 |
| Countries with the Most Metal Bands | 0 | - | 4.95 | 67,202 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,994 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,891 |
| Middle East A-Z | 0 | - | 4.47 | 45,843 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,189 |
| 20th Century A-Z | 0 | - | 4.50 | 53,211 |
| 19th Century A-Z | 0 | - | 4.77 | 46,770 |
| 18th Century A-Z | 0 | - | 4.54 | 42,674 |
| Movie Musicals by Cast | 0 | - | 4.22 | 14,626 |
| Who Did that Pop Song #1 | 0 | - | 4.41 | 352,355 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.95 | 67,145 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,073 |
| Tony Best Musicals | 0 | - | 4.31 | 25,458 |
| Characters from Musicals | 0 | - | 4.24 | 26,539 |
| Musical Theater Trivia | 0 | - | 4.21 | 16,796 |
| Family Bands | 0 | - | 4.11 | 21,776 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,172 |
| Star Wars A-Z | 0 | - | 4.46 | 87,264 |
| Monarchies of the World | 0 | - | 4.94 | 166,905 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,843 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,083 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,587 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,727 |
| Literature by Letter - D | 0 | - | 4.30 | 20,475 |
| Literature by Letter - C | 0 | - | 4.34 | 26,406 |
| Literature by Letter - F | 0 | - | 4.26 | 17,096 |
| Literature by Letter - E | 0 | - | 4.03 | 14,984 |
| Literature by Letter - H | 0 | - | 4.23 | 18,020 |
| Literature by Letter - I | 0 | - | 4.25 | 15,163 |
| Literature by Letter - L | 0 | - | 4.32 | 23,157 |
| Literature by Letter - M | 0 | - | 4.18 | 18,556 |
| Literature by Letter - P | 0 | - | 4.18 | 16,682 |
| Literature by Letter - O | 0 | - | 4.30 | 13,477 |
| Literature by Letter - J | 0 | - | 4.23 | 14,761 |
