| Music by Letter - F | 0 | - | 4.44 | 24,569 |
| Music by Letter - A | 0 | - | 4.60 | 28,575 |
| A to Z: Musical Terms | 0 | - | 4.42 | 37,275 |
| Music by Letter - E | 0 | - | 4.36 | 24,420 |
| Music by Letter - I | 0 | - | 4.15 | 14,157 |
| Music by Letter - H | 0 | - | 4.17 | 20,557 |
| Music by Letter - B | 0 | - | 4.36 | 22,986 |
| Music by Letter - J | 0 | - | 4.34 | 18,910 |
| Music by Letter - G | 0 | - | 4.30 | 19,341 |
| Music by Letter - R | 0 | - | 4.02 | 13,591 |
| Music by Letter - C | 0 | - | 4.12 | 19,322 |
| Music by Letter - P | 0 | - | 4.40 | 17,730 |
| Music by Letter - D | 0 | - | 4.27 | 20,231 |
| Music by Letter - W | 0 | - | 4.32 | 17,200 |
| Music by Letter - N | 0 | - | 4.17 | 13,320 |
| Music by Letter - V | 0 | - | 4.32 | 16,389 |
| Music by Letter - M | 0 | - | 4.24 | 16,609 |
| Music by Letter - K | 0 | - | 4.14 | 14,728 |
| Music by Letter - T | 0 | - | 4.28 | 17,791 |
| Music by Letter - L | 0 | - | 4.28 | 14,535 |
| Music by Letter - S | 0 | - | 4.28 | 17,415 |
| Music by Letter - O | 0 | - | 4.20 | 15,529 |
| Geography by Letter - T | 0 | - | 4.81 | 119,096 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 67,391 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 90,002 |
| Geography by Letter on the World Map - C | 0 | - | 4.85 | 101,088 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 139,385 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 179,665 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 160,872 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 174,641 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 285,375 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 165,903 |
| Musical Acts by Letter - J | 0 | - | 4.16 | 63,439 |
| Musical Acts by Letter - M | 0 | - | 4.12 | 75,513 |
| Musical Acts by Letter - N | 0 | - | 4.03 | 55,377 |
| Musical Acts by Letter - P | 0 | - | 4.16 | 52,162 |
| Musical Acts by Letter - R | 0 | - | 4.26 | 68,749 |
| Musical Acts by Letter - A | 0 | - | 4.27 | 70,715 |
| Musical Acts by Letter - B | 0 | - | 4.28 | 62,290 |
| Musical Acts by Letter - C | 0 | - | 4.38 | 51,010 |
| Musical Acts by Letter - D | 0 | - | 4.09 | 44,909 |
| Musical Acts by Letter - E | 0 | - | 4.38 | 52,994 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 211,711 |
| A to Z: Musical Terms #2 | 0 | - | 4.09 | 9,722 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.09 | 40,237 |
| NATO Military Alphabet | 0 | - | 4.98 | 482,051 |
| Disney A-Z | 0 | - | 4.41 | 77,131 |
| Geography by Letter - A | 0 | - | 4.66 | 189,513 |
| Geography by Letter - B | 0 | - | 4.64 | 162,260 |
| Geography by Letter - H | 0 | - | 4.74 | 131,468 |
| Geography by Letter - C | 0 | - | 4.49 | 139,521 |
| Geography by Letter - D | 0 | - | 4.47 | 133,299 |
| Geography by Letter - I | 0 | - | 4.43 | 108,253 |
| Geography by Letter - K | 0 | - | 4.53 | 103,958 |
| Geography by Letter - L | 0 | - | 4.45 | 131,766 |
| Geography by Letter - M | 0 | - | 4.46 | 95,254 |
| Geography by Letter - N | 0 | - | 4.52 | 103,357 |
| Geography by Letter - P | 0 | - | 4.43 | 149,554 |
| Geography by Letter - S #1 | 0 | - | 4.78 | 112,781 |
| Geography by Letter - U | 0 | - | 4.55 | 115,328 |
| Geography by Letter - W | 0 | - | 4.43 | 94,464 |
| Asian Geography By Letter - K | 0 | - | 4.76 | 54,297 |
| Geography A-Z #2 | 0 | - | 4.46 | 48,939 |
| Geography A-Z #5 | 0 | - | 4.41 | 34,486 |
| Geography A-Z #1 | 0 | - | 4.55 | 65,478 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 108,543 |
| Movies that Start with G | 0 | - | 4.50 | 63,980 |
| History by Letter - A | 0 | - | 4.50 | 137,033 |
| History by Letter - B | 0 | - | 4.50 | 154,305 |
| History by Letter - C | 0 | - | 4.76 | 151,678 |
| History by Letter - E | 0 | - | 4.50 | 125,884 |
| History by Letter - G | 0 | - | 4.51 | 109,264 |
| History by Letter - H | 0 | - | 4.42 | 121,925 |
| History by Letter - J | 0 | - | 4.49 | 138,336 |
| History by Letter - N | 0 | - | 4.47 | 92,961 |
| History by Letter - S | 0 | - | 4.46 | 83,742 |
| History by Letter - W | 0 | - | 4.44 | 96,908 |
| History by Letter - M | 0 | - | 4.55 | 107,779 |
| History by Letter - K | 0 | - | 4.48 | 91,124 |
| History by Letter - L | 0 | - | 4.47 | 100,897 |
| History by Letter - I | 0 | - | 4.51 | 93,927 |
| Musical Acts by Letter - F | 0 | - | 3.89 | 51,602 |
| Musical Acts by Letter - G | 0 | - | 3.97 | 57,383 |
| Musical Acts by Letter - L | 0 | - | 3.82 | 58,016 |
| Musical Acts by Letter - S | 0 | - | 3.92 | 67,129 |
| Musical Acts by Letter - T | 0 | - | 3.99 | 52,217 |
| Musical Acts by Letter - K | 0 | - | 3.89 | 76,285 |
| Countries by Military Spending | 0 | - | 4.93 | 157,379 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.90 | 95,773 |
| All Hamilton Songs | 0 | - | 4.57 | 37,784 |
| 100 Most Common English Words | 0 | - | 4.91 | 1,155,859 |
| Animals that Start with L | 0 | - | 4.43 | 93,258 |
| Animals that Start with P | 0 | - | 4.41 | 79,139 |
| Animals that Start with S | 0 | - | 4.49 | 79,781 |
| Geography by Letter on the World Map - B | 0 | - | 4.50 | 77,255 |
| World Cities A-Z #1 | 0 | - | 4.53 | 58,642 |
| Islands A-Z | 0 | - | 4.45 | 103,511 |
| World Cities A-Z #2 | 0 | - | 4.46 | 51,354 |
| Human Body A-Z | 0 | - | 4.48 | 107,542 |
| Africa A-Z | 0 | - | 4.54 | 43,476 |
| People in History A-Z #1 | 0 | - | 4.64 | 90,065 |
| People in History A-Z #2 | 0 | - | 4.46 | 49,762 |
| People in History A-Z #3 | 0 | - | 4.47 | 42,023 |
| Songs From Broadway Musicals #1 | 0 | - | 4.11 | 51,838 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.28 | 45,671 |
| WWII A-Z #1 | 0 | - | 4.81 | 92,317 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.41 | 13,833 |
| Companies A-Z | 0 | - | 4.30 | 41,272 |
| Religion A-Z #1 | 0 | - | 4.24 | 44,262 |
| Geography by Letter - E | 0 | - | 4.39 | 131,023 |
| Geography by Letter - G | 0 | - | 4.35 | 111,479 |
| Geography by Letter - F | 0 | - | 4.26 | 122,213 |
| Geography by Letter - J | 0 | - | 4.36 | 108,963 |
| Geography by Letter - O | 0 | - | 4.37 | 106,654 |
| Geography by Letter - R | 0 | - | 4.40 | 101,580 |
| Geography by Letter - V | 0 | - | 4.37 | 93,352 |
| Geography by Letter - Y | 0 | - | 4.37 | 89,655 |
| Geography by Letter - Z | 0 | - | 4.04 | 61,285 |
| Geography by Letter - Q | 0 | - | 4.33 | 50,397 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.19 | 33,012 |
| Video Games A-Z | 0 | - | 4.04 | 34,918 |
| Geography A-Z #3 | 0 | - | 4.21 | 36,459 |
| Movies that Start with A | 0 | - | 4.09 | 57,890 |
| Movies that Start with C | 0 | - | 4.29 | 57,097 |
| Movies that Start with B | 0 | - | 4.35 | 79,601 |
| Movies that Start with D | 0 | - | 4.35 | 64,945 |
| Movies that Start with E | 0 | - | 4.19 | 64,794 |
| Movies that Start with I | 0 | - | 4.40 | 61,038 |
| Movies that Start with J | 0 | - | 4.21 | 71,956 |
| Movies that Start with L | 0 | - | 4.16 | 57,304 |
| Movies that Start with M | 0 | - | 4.26 | 45,678 |
| Movies that Start with N | 0 | - | 4.05 | 38,898 |
| Movies that Start with P | 0 | - | 4.24 | 51,632 |
| Movies that Start with R | 0 | - | 4.13 | 43,317 |
| Movies that Start with W | 0 | - | 4.04 | 42,236 |
| Movies that Start with T | 0 | - | 4.36 | 46,460 |
| Movies that Start with S | 0 | - | 4.37 | 53,334 |
| Movies that Start with F | 0 | - | 4.15 | 65,406 |
| History by Letter - D | 0 | - | 4.34 | 124,521 |
| History by Letter - F | 0 | - | 4.17 | 103,048 |
| History by Letter - O | 0 | - | 4.28 | 90,163 |
| History by Letter - P | 0 | - | 4.37 | 97,243 |
| History by Letter - Q | 0 | - | 4.35 | 73,286 |
| History by Letter - R | 0 | - | 4.24 | 111,497 |
| History by Letter - T | 0 | - | 4.40 | 95,448 |
| History by Letter - U | 0 | - | 4.19 | 91,066 |
| History by Letter - V | 0 | - | 4.27 | 73,879 |
| History by Letter - Y | 0 | - | 4.28 | 80,179 |
| History by Letter - Z | 0 | - | 4.20 | 71,051 |
| Top Musical Acts of All-Time | 0 | - | 3.85 | 127,545 |
| Countries with the Most Metal Bands | 0 | - | 4.95 | 58,747 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 134,632 |
| Top Five Exporting Partners by Country | 0 | - | 4.84 | 61,395 |
| The Americas Geography by Letter - B | 0 | - | 4.50 | 48,689 |
| The Americas Geography by Letter - S | 0 | - | 4.55 | 41,397 |
| Middle East A-Z | 0 | - | 4.45 | 42,774 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.43 | 41,018 |
| 20th Century A-Z | 0 | - | 4.48 | 38,316 |
| Movie Musicals by Cast | 0 | - | 4.17 | 12,801 |
| Songs that Start with the Same Word | 0 | - | 4.86 | 96,623 |
| Longest Running Broadway Theater Productions | 0 | - | 4.00 | 50,615 |
| Tony Best Musicals Quiz | 0 | - | 4.30 | 23,212 |
| Songs From Broadway Musicals #2 | 0 | - | 4.19 | 30,475 |
| Characters from Musicals | 0 | - | 4.22 | 23,920 |
| Musical Theater Trivia | 0 | - | 4.16 | 15,274 |
| Family Bands | 0 | - | 4.07 | 21,011 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 75,630 |
| Monarchies of the World | 0 | - | 4.93 | 152,003 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 80,895 |
| Countries where the Sea Freezes | 0 | - | 4.91 | 80,524 |
| Largest Countries Without Deserts | 0 | - | 4.85 | 65,465 |
| Literature by Letter - B | 0 | - | 4.02 | 17,370 |
| Literature by Letter - A | 0 | - | 4.25 | 29,148 |
| Literature by Letter - D | 0 | - | 4.24 | 18,576 |
| Literature by Letter - C | 0 | - | 4.32 | 24,285 |
| Literature by Letter - F | 0 | - | 4.28 | 15,450 |
| Literature by Letter - E | 0 | - | 4.02 | 13,377 |
| Literature by Letter - H | 0 | - | 4.22 | 16,492 |
| Literature by Letter - I | 0 | - | 4.25 | 13,779 |
| Literature by Letter - L | 0 | - | 4.31 | 21,526 |
| Literature by Letter - M | 0 | - | 4.21 | 17,139 |
| Literature by Letter - P | 0 | - | 4.17 | 15,404 |
| Literature by Letter - O | 0 | - | 4.35 | 12,266 |
| Literature by Letter - J | 0 | - | 4.20 | 13,452 |
| Literature by Letter - N | 0 | - | 4.20 | 12,996 |
| Literature by Letter - K | 0 | - | 4.12 | 11,036 |
| Literature by Letter - R | 0 | - | 4.02 | 10,754 |
| Literature by Letter - T | 0 | - | 4.35 | 17,095 |
| Literature by Letter - U | 0 | - | 4.18 | 12,027 |
| Literature by Letter - V | 0 | - | 4.04 | 10,630 |
| Literature by Letter - W | 0 | - | 4.12 | 12,386 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.79 | 691,262 |
| A Quiz About Buddhism | 0 | - | 4.81 | 16,615 |
| Astronomy Quiz | 0 | - | 4.87 | 63,657 |
| Google What's the Difference? - Animals | 0 | - | 4.89 | 74,818 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.90 | 57,149 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.87 | 90,423 |
| Animals that Start with A | 0 | - | 4.21 | 103,413 |
| Animals that Start with B | 0 | - | 4.31 | 104,552 |
| Animals that Start with C | 0 | - | 4.21 | 83,947 |
