| Music by Letter - A | 0 | - | 4.61 | 31,441 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,419 |
| Music by Letter - E | 0 | - | 4.39 | 26,738 |
| Music by Letter - I | 0 | - | 4.22 | 15,838 |
| Music by Letter - H | 0 | - | 4.27 | 22,576 |
| Music by Letter - B | 0 | - | 4.39 | 25,413 |
| Music by Letter - J | 0 | - | 4.37 | 20,695 |
| Music by Letter - G | 0 | - | 4.35 | 21,366 |
| Music by Letter - R | 0 | - | 4.04 | 15,152 |
| Music by Letter - C | 0 | - | 4.14 | 21,349 |
| Music by Letter - P | 0 | - | 4.38 | 19,594 |
| Music by Letter - D | 0 | - | 4.27 | 22,286 |
| Music by Letter - W | 0 | - | 4.36 | 18,691 |
| Music by Letter - N | 0 | - | 4.23 | 14,820 |
| Music by Letter - V | 0 | - | 4.33 | 17,865 |
| Music by Letter - M | 0 | - | 4.27 | 18,319 |
| Music by Letter - K | 0 | - | 4.11 | 16,269 |
| Music by Letter - T | 0 | - | 4.31 | 19,403 |
| Music by Letter - L | 0 | - | 4.33 | 16,117 |
| Music by Letter - S | 0 | - | 4.22 | 19,100 |
| Music by Letter - O | 0 | - | 4.21 | 17,095 |
| Geography by Letter - T | 0 | - | 4.84 | 154,430 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,562 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,371 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,799 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,079 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,557 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,814 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,352 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,782 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,139 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,547 |
| Musical Acts by Letter - M | 0 | - | 4.15 | 93,528 |
| Musical Acts by Letter - N | 0 | - | 4.17 | 68,411 |
| Musical Acts by Letter - P | 0 | - | 4.24 | 65,509 |
| Musical Acts by Letter - R | 0 | - | 4.33 | 83,386 |
| Musical Acts by Letter - T | 0 | - | 4.15 | 68,079 |
| Musical Acts by Letter - A | 0 | - | 4.29 | 82,877 |
| Musical Acts by Letter - B | 0 | - | 4.32 | 73,444 |
| Musical Acts by Letter - C | 0 | - | 4.34 | 60,358 |
| Musical Acts by Letter - D | 0 | - | 4.13 | 53,215 |
| Musical Acts by Letter - E | 0 | - | 4.37 | 61,809 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,737 |
| A to Z: Musical Terms #2 | 0 | - | 4.08 | 11,067 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,414 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,682 |
| NATO Military Alphabet | 0 | - | 4.98 | 561,609 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,048 |
| Geography by Letter - A | 0 | - | 4.74 | 212,135 |
| Geography by Letter - B | 0 | - | 4.56 | 185,144 |
| Geography by Letter - H | 0 | - | 4.69 | 150,732 |
| Geography by Letter - C | 0 | - | 4.47 | 159,150 |
| Geography by Letter - D | 0 | - | 4.50 | 151,172 |
| Geography by Letter - E | 0 | - | 4.42 | 148,020 |
| Geography by Letter - I | 0 | - | 4.42 | 122,331 |
| Geography by Letter - K | 0 | - | 4.53 | 118,689 |
| Geography by Letter - L | 0 | - | 4.43 | 148,894 |
| Geography by Letter - M | 0 | - | 4.49 | 118,966 |
| Geography by Letter - N | 0 | - | 4.51 | 127,519 |
| Geography by Letter - P | 0 | - | 4.47 | 176,411 |
| Geography by Letter - R | 0 | - | 4.43 | 132,099 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,951 |
| Geography by Letter - U | 0 | - | 4.53 | 143,482 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,238 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,998 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,422 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,676 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,445 |
| Movies that Start with G | 0 | - | 4.49 | 68,635 |
| Movies that Start with I | 0 | - | 4.41 | 65,247 |
| History by Letter - A | 0 | - | 4.51 | 153,457 |
| History by Letter - B | 0 | - | 4.45 | 172,774 |
| History by Letter - C | 0 | - | 4.70 | 172,057 |
| History by Letter - E | 0 | - | 4.51 | 141,062 |
| History by Letter - G | 0 | - | 4.46 | 122,514 |
| History by Letter - H | 0 | - | 4.45 | 137,145 |
| History by Letter - J | 0 | - | 4.51 | 154,523 |
| History by Letter - N | 0 | - | 4.45 | 104,391 |
| History by Letter - S | 0 | - | 4.47 | 94,688 |
| History by Letter - W | 0 | - | 4.45 | 109,883 |
| History by Letter - M | 0 | - | 4.54 | 120,195 |
| History by Letter - K | 0 | - | 4.50 | 101,681 |
| History by Letter - L | 0 | - | 4.50 | 112,450 |
| History by Letter - I | 0 | - | 4.46 | 104,721 |
| Musical Acts by Letter - F | 0 | - | 3.86 | 62,555 |
| Musical Acts by Letter - G | 0 | - | 3.97 | 69,483 |
| Musical Acts by Letter - L | 0 | - | 3.81 | 71,602 |
| Musical Acts by Letter - S | 0 | - | 3.98 | 83,160 |
| Musical Acts by Letter - K | 0 | - | 3.88 | 89,386 |
| Countries by Military Spending | 0 | - | 4.93 | 178,412 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,268 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,186 |
| All Hamilton Songs | 0 | - | 4.75 | 49,233 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,320,077 |
| Animals that Start with L | 0 | - | 4.47 | 102,260 |
| Animals that Start with P | 0 | - | 4.45 | 86,309 |
| Animals that Start with S | 0 | - | 4.49 | 87,513 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,724 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,106 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,450 |
| Islands A-Z | 0 | - | 4.46 | 125,832 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,302 |
| Human Body A-Z | 0 | - | 4.51 | 129,392 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,421 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,749 |
| Africa A-Z | 0 | - | 4.57 | 46,686 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,195 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,224 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,263 |
| Queen Songs | 0 | - | 4.85 | 25,739 |
| Longest Running Broadway Theater Productions | 0 | - | 4.03 | 52,336 |
| Songs From Broadway Musicals #1 | 0 | - | 4.14 | 56,858 |
| Songs From Broadway Musicals #2 | 0 | - | 4.20 | 33,867 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.24 | 50,555 |
| Brand Logos That Start With D | 0 | - | 4.35 | 61,817 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,453 |
| Disney A-Z | 0 | - | 4.37 | 87,283 |
| Literature by Letter - A | 0 | - | 4.24 | 32,231 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,336 |
| Companies A-Z | 0 | - | 4.30 | 42,724 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,677 |
| Geography by Letter - G | 0 | - | 4.33 | 126,638 |
| Geography by Letter - F | 0 | - | 4.27 | 138,196 |
| Geography by Letter - J | 0 | - | 4.34 | 123,250 |
| Geography by Letter - O | 0 | - | 4.37 | 130,073 |
| Geography by Letter - V | 0 | - | 4.39 | 122,124 |
| Geography by Letter - W | 0 | - | 4.39 | 115,123 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,828 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,880 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,742 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,312 |
| Video Games A-Z | 0 | - | 4.05 | 39,096 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,318 |
| Movies that Start with A | 0 | - | 4.13 | 61,949 |
| Movies that Start with C | 0 | - | 4.30 | 61,940 |
| Movies that Start with B | 0 | - | 4.36 | 85,326 |
| Movies that Start with D | 0 | - | 4.34 | 68,512 |
| Movies that Start with E | 0 | - | 4.13 | 68,441 |
| Movies that Start with J | 0 | - | 4.18 | 76,259 |
| Movies that Start with L | 0 | - | 4.16 | 60,488 |
| Movies that Start with M | 0 | - | 4.28 | 48,295 |
| Movies that Start with N | 0 | - | 4.02 | 41,305 |
| Movies that Start with P | 0 | - | 4.25 | 54,199 |
| Movies that Start with R | 0 | - | 4.17 | 46,706 |
| Movies that Start with W | 0 | - | 4.07 | 44,298 |
| Movies that Start with T | 0 | - | 4.34 | 49,368 |
| Movies that Start with S | 0 | - | 4.35 | 56,543 |
| Movies that Start with F | 0 | - | 4.13 | 68,933 |
| History by Letter - D | 0 | - | 4.40 | 138,183 |
| History by Letter - F | 0 | - | 4.18 | 114,773 |
| History by Letter - O | 0 | - | 4.32 | 99,789 |
| History by Letter - P | 0 | - | 4.36 | 108,147 |
| History by Letter - Q | 0 | - | 4.34 | 80,550 |
| History by Letter - R | 0 | - | 4.26 | 122,498 |
| History by Letter - T | 0 | - | 4.39 | 105,553 |
| History by Letter - U | 0 | - | 4.19 | 101,062 |
| History by Letter - V | 0 | - | 4.27 | 80,994 |
| History by Letter - Y | 0 | - | 4.27 | 87,508 |
| History by Letter - Z | 0 | - | 4.20 | 77,257 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,289 |
| Questions in Music | 0 | - | 4.41 | 54,694 |
| Top Musical Acts of All-Time | 0 | - | 3.83 | 132,660 |
| Countries with the Most Metal Bands | 0 | - | 4.97 | 83,858 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,673 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,250 |
| Middle East A-Z | 0 | - | 4.47 | 46,152 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,429 |
| 20th Century A-Z | 0 | - | 4.50 | 53,839 |
| 19th Century A-Z | 0 | - | 4.77 | 47,371 |
| 18th Century A-Z | 0 | - | 4.54 | 43,242 |
| Movie Musicals by Cast | 0 | - | 4.22 | 14,807 |
| Who Did that Pop Song #1 | 0 | - | 4.41 | 353,846 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.94 | 68,298 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,061 |
| Tony Best Musicals | 0 | - | 4.32 | 25,668 |
| Characters from Musicals | 0 | - | 4.24 | 26,776 |
| Musical Theater Trivia | 0 | - | 4.21 | 16,921 |
| Family Bands | 0 | - | 4.11 | 21,837 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,121 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,904 |
| Star Wars A-Z | 0 | - | 4.46 | 88,459 |
| Monarchies of the World | 0 | - | 4.94 | 169,295 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,322 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,607 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,779 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,353 |
| Literature by Letter - D | 0 | - | 4.29 | 20,864 |
| Literature by Letter - C | 0 | - | 4.34 | 26,814 |
| Literature by Letter - F | 0 | - | 4.26 | 17,455 |
| Literature by Letter - E | 0 | - | 4.05 | 15,344 |
| Literature by Letter - H | 0 | - | 4.29 | 20,295 |
| Literature by Letter - I | 0 | - | 4.25 | 17,490 |
| Literature by Letter - L | 0 | - | 4.32 | 23,425 |
| Literature by Letter - M | 0 | - | 4.18 | 18,842 |
| Literature by Letter - P | 0 | - | 4.18 | 16,977 |
| Literature by Letter - O | 0 | - | 4.30 | 13,734 |
| Literature by Letter - J | 0 | - | 4.23 | 15,081 |
| Literature by Letter - N | 0 | - | 4.24 | 14,523 |
| Literature by Letter - K | 0 | - | 4.13 | 12,525 |
| Literature by Letter - R | 0 | - | 4.06 | 12,109 |
