| Music by Letter - F | 0 | - | 4.44 | 24,626 |
| Music by Letter - A | 0 | - | 4.60 | 28,647 |
| A to Z: Musical Terms | 0 | - | 4.42 | 37,411 |
| Music by Letter - E | 0 | - | 4.36 | 24,467 |
| Music by Letter - I | 0 | - | 4.15 | 14,186 |
| Music by Letter - H | 0 | - | 4.17 | 20,602 |
| Music by Letter - B | 0 | - | 4.36 | 23,049 |
| Music by Letter - J | 0 | - | 4.34 | 18,945 |
| Music by Letter - G | 0 | - | 4.30 | 19,377 |
| Music by Letter - R | 0 | - | 4.02 | 13,619 |
| Music by Letter - C | 0 | - | 4.12 | 19,366 |
| Music by Letter - P | 0 | - | 4.40 | 17,778 |
| Music by Letter - D | 0 | - | 4.27 | 20,278 |
| Music by Letter - W | 0 | - | 4.32 | 17,226 |
| Music by Letter - N | 0 | - | 4.17 | 13,355 |
| Music by Letter - V | 0 | - | 4.32 | 16,420 |
| Music by Letter - M | 0 | - | 4.24 | 16,648 |
| Music by Letter - K | 0 | - | 4.14 | 14,759 |
| Music by Letter - L | 0 | - | 4.28 | 14,566 |
| Music by Letter - S | 0 | - | 4.28 | 17,463 |
| Music by Letter - O | 0 | - | 4.20 | 15,564 |
| Geography by Letter - T | 0 | - | 4.82 | 120,287 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 67,791 |
| Geography by Letter on the World Map - C | 0 | - | 4.84 | 101,559 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 139,505 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 180,261 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 161,071 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 175,061 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 285,693 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 166,270 |
| Musical Acts by Letter - J | 0 | - | 4.16 | 63,948 |
| Musical Acts by Letter - M | 0 | - | 4.14 | 76,180 |
| Musical Acts by Letter - N | 0 | - | 4.03 | 55,815 |
| Musical Acts by Letter - P | 0 | - | 4.16 | 52,620 |
| Musical Acts by Letter - R | 0 | - | 4.26 | 69,234 |
| Musical Acts by Letter - A | 0 | - | 4.27 | 71,447 |
| Musical Acts by Letter - B | 0 | - | 4.28 | 62,945 |
| Musical Acts by Letter - C | 0 | - | 4.38 | 51,674 |
| Musical Acts by Letter - D | 0 | - | 4.09 | 45,461 |
| Musical Acts by Letter - E | 0 | - | 4.39 | 53,623 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 212,537 |
| 19th Century A-Z | 0 | - | 4.82 | 34,083 |
| A to Z: Musical Terms #2 | 0 | - | 4.09 | 9,744 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.09 | 40,335 |
| NATO Military Alphabet | 0 | - | 4.98 | 483,531 |
| Disney A-Z | 0 | - | 4.41 | 77,397 |
| Geography by Letter - A | 0 | - | 4.66 | 190,294 |
| Geography by Letter - B | 0 | - | 4.56 | 163,077 |
| Geography by Letter - H | 0 | - | 4.73 | 132,075 |
| Geography by Letter - C | 0 | - | 4.49 | 140,172 |
| Geography by Letter - D | 0 | - | 4.47 | 133,901 |
| Geography by Letter - I | 0 | - | 4.43 | 108,708 |
| Geography by Letter - K | 0 | - | 4.53 | 104,545 |
| Geography by Letter - L | 0 | - | 4.45 | 132,867 |
| Geography by Letter - M | 0 | - | 4.48 | 102,847 |
| Geography by Letter - N | 0 | - | 4.52 | 104,020 |
| Geography by Letter - P | 0 | - | 4.43 | 150,196 |
| Geography by Letter - R | 0 | - | 4.41 | 102,430 |
| Geography by Letter - S #1 | 0 | - | 4.79 | 113,502 |
| Geography by Letter - U | 0 | - | 4.55 | 116,025 |
| Geography by Letter - W | 0 | - | 4.43 | 94,954 |
| Asian Geography By Letter - K | 0 | - | 4.76 | 54,541 |
| Geography A-Z #2 | 0 | - | 4.46 | 49,031 |
| Geography A-Z #5 | 0 | - | 4.41 | 34,558 |
| Geography A-Z #1 | 0 | - | 4.55 | 65,580 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 108,660 |
| Movies that Start with G | 0 | - | 4.50 | 64,142 |
| History by Letter - A | 0 | - | 4.50 | 137,416 |
| History by Letter - B | 0 | - | 4.48 | 154,800 |
| History by Letter - C | 0 | - | 4.76 | 152,247 |
| History by Letter - E | 0 | - | 4.50 | 126,287 |
| History by Letter - G | 0 | - | 4.48 | 109,603 |
| History by Letter - H | 0 | - | 4.42 | 122,338 |
| History by Letter - J | 0 | - | 4.49 | 138,793 |
| History by Letter - N | 0 | - | 4.47 | 93,271 |
| History by Letter - S | 0 | - | 4.46 | 84,027 |
| History by Letter - W | 0 | - | 4.44 | 97,440 |
| History by Letter - M | 0 | - | 4.55 | 108,311 |
| History by Letter - K | 0 | - | 4.49 | 91,377 |
| History by Letter - L | 0 | - | 4.47 | 101,221 |
| History by Letter - I | 0 | - | 4.51 | 94,208 |
| Musical Acts by Letter - F | 0 | - | 3.84 | 56,717 |
| Musical Acts by Letter - G | 0 | - | 3.97 | 57,916 |
| Musical Acts by Letter - L | 0 | - | 3.79 | 58,425 |
| Musical Acts by Letter - S | 0 | - | 3.93 | 67,686 |
| Musical Acts by Letter - T | 0 | - | 3.99 | 52,889 |
| Musical Acts by Letter - K | 0 | - | 3.89 | 76,729 |
| Countries by Military Spending | 0 | - | 4.93 | 157,920 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.90 | 96,592 |
| All Hamilton Songs | 0 | - | 4.57 | 38,141 |
| 100 Most Common English Words | 0 | - | 4.90 | 1,161,031 |
| Animals that Start with L | 0 | - | 4.43 | 93,472 |
| Animals that Start with P | 0 | - | 4.41 | 79,343 |
| Animals that Start with S | 0 | - | 4.49 | 79,992 |
| Geography by Letter on the World Map - B | 0 | - | 4.50 | 77,586 |
| Geography by Letter on the World Map - A | 0 | - | 4.80 | 90,500 |
| World Cities A-Z #1 | 0 | - | 4.53 | 58,725 |
| Islands A-Z | 0 | - | 4.45 | 104,192 |
| World Cities A-Z #2 | 0 | - | 4.46 | 51,439 |
| Human Body A-Z | 0 | - | 4.48 | 107,729 |
| Africa A-Z | 0 | - | 4.54 | 43,565 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.70 | 53,553 |
| People in History A-Z #1 | 0 | - | 4.64 | 90,284 |
| People in History A-Z #2 | 0 | - | 4.46 | 49,867 |
| People in History A-Z #3 | 0 | - | 4.47 | 42,117 |
| Songs From Broadway Musicals #1 | 0 | - | 4.11 | 52,001 |
| Rolling Stone's 100 Greatest Albums | 0 | - | 4.28 | 45,793 |
| WWII A-Z #1 | 0 | - | 4.81 | 92,639 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.41 | 13,867 |
| Companies A-Z | 0 | - | 4.30 | 41,311 |
| Religion A-Z #1 | 0 | - | 4.25 | 44,298 |
| Religion A-Z #2 | 0 | - | 4.48 | 24,605 |
| Geography by Letter - E | 0 | - | 4.39 | 131,602 |
| Geography by Letter - G | 0 | - | 4.35 | 111,973 |
| Geography by Letter - F | 0 | - | 4.26 | 122,743 |
| Geography by Letter - J | 0 | - | 4.36 | 109,554 |
| Geography by Letter - O | 0 | - | 4.37 | 107,241 |
| Geography by Letter - V | 0 | - | 4.37 | 94,274 |
| Geography by Letter - Y | 0 | - | 4.37 | 90,399 |
| Geography by Letter - Z | 0 | - | 4.04 | 61,824 |
| Geography by Letter - Q | 0 | - | 4.33 | 50,840 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.19 | 33,076 |
| Video Games A-Z | 0 | - | 4.04 | 35,026 |
| Geography A-Z #3 | 0 | - | 4.21 | 36,528 |
| Movies that Start with A | 0 | - | 4.09 | 58,002 |
| Movies that Start with C | 0 | - | 4.29 | 57,247 |
| Movies that Start with B | 0 | - | 4.35 | 79,748 |
| Movies that Start with D | 0 | - | 4.35 | 65,048 |
| Movies that Start with E | 0 | - | 4.19 | 64,922 |
| Movies that Start with I | 0 | - | 4.40 | 61,159 |
| Movies that Start with J | 0 | - | 4.21 | 72,083 |
| Movies that Start with L | 0 | - | 4.16 | 57,411 |
| Movies that Start with M | 0 | - | 4.26 | 45,758 |
| Movies that Start with N | 0 | - | 4.05 | 38,967 |
| Movies that Start with P | 0 | - | 4.24 | 51,692 |
| Movies that Start with R | 0 | - | 4.13 | 43,425 |
| Movies that Start with W | 0 | - | 4.04 | 42,286 |
| Movies that Start with T | 0 | - | 4.36 | 46,539 |
| Movies that Start with S | 0 | - | 4.37 | 53,434 |
| Movies that Start with F | 0 | - | 4.15 | 65,509 |
| History by Letter - D | 0 | - | 4.34 | 124,875 |
| History by Letter - F | 0 | - | 4.17 | 103,335 |
| History by Letter - O | 0 | - | 4.28 | 90,416 |
| History by Letter - P | 0 | - | 4.37 | 97,522 |
| History by Letter - Q | 0 | - | 4.35 | 73,477 |
| History by Letter - R | 0 | - | 4.22 | 111,800 |
| History by Letter - T | 0 | - | 4.40 | 95,716 |
| History by Letter - U | 0 | - | 4.19 | 91,384 |
| History by Letter - V | 0 | - | 4.27 | 74,093 |
| History by Letter - Y | 0 | - | 4.28 | 80,385 |
| History by Letter - Z | 0 | - | 4.20 | 71,234 |
| The 3rd and 4th Century | 0 | - | 4.53 | 19,661 |
| Top Musical Acts of All-Time | 0 | - | 3.85 | 127,731 |
| Countries with the Most Metal Bands | 0 | - | 4.95 | 59,090 |
| Most Common English Verbs - Extreme | 0 | - | 4.95 | 135,291 |
| Top Five Exporting Partners by Country | 0 | - | 4.84 | 61,590 |
| The Americas Geography by Letter - B | 0 | - | 4.50 | 48,758 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,445 |
| Middle East A-Z | 0 | - | 4.45 | 42,864 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.43 | 41,117 |
| 20th Century A-Z | 0 | - | 4.48 | 38,433 |
| Movie Musicals by Cast | 0 | - | 4.17 | 12,865 |
| Take Me Home, Country Roads Lyrics | 0 | - | 4.93 | 53,276 |
| Songs that Start with the Same Word | 0 | - | 4.86 | 97,291 |
| Longest Running Broadway Theater Productions | 0 | - | 4.00 | 50,706 |
| Tony Best Musicals Quiz | 0 | - | 4.30 | 23,326 |
| Songs From Broadway Musicals #2 | 0 | - | 4.19 | 30,590 |
| Characters from Musicals | 0 | - | 4.22 | 24,015 |
| Musical Theater Trivia | 0 | - | 4.16 | 15,325 |
| Family Bands | 0 | - | 4.07 | 21,035 |
| Top Arms Exporting Countries | 0 | - | 4.95 | 75,890 |
| Monarchies of the World | 0 | - | 4.93 | 152,285 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 81,180 |
| Countries where the Sea Freezes | 0 | - | 4.91 | 80,855 |
| Largest Countries Without Deserts | 0 | - | 4.86 | 65,746 |
| Literature by Letter - A | 0 | - | 4.21 | 29,211 |
| Literature by Letter - D | 0 | - | 4.24 | 18,622 |
| Literature by Letter - C | 0 | - | 4.32 | 24,338 |
| Literature by Letter - F | 0 | - | 4.28 | 15,496 |
| Literature by Letter - E | 0 | - | 4.02 | 13,416 |
| Literature by Letter - H | 0 | - | 4.22 | 16,526 |
| Literature by Letter - I | 0 | - | 4.19 | 13,809 |
| Literature by Letter - L | 0 | - | 4.31 | 21,577 |
| Literature by Letter - M | 0 | - | 4.21 | 17,178 |
| Literature by Letter - P | 0 | - | 4.15 | 15,443 |
| Literature by Letter - O | 0 | - | 4.28 | 12,300 |
| Literature by Letter - J | 0 | - | 4.20 | 13,487 |
| Literature by Letter - N | 0 | - | 4.20 | 13,025 |
| Literature by Letter - K | 0 | - | 4.12 | 11,066 |
| Literature by Letter - R | 0 | - | 4.02 | 10,779 |
| Literature by Letter - T | 0 | - | 4.35 | 17,127 |
| Literature by Letter - U | 0 | - | 4.18 | 12,053 |
| Literature by Letter - V | 0 | - | 4.04 | 10,655 |
| Literature by Letter - W | 0 | - | 4.12 | 12,408 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.79 | 695,257 |
| A Quiz About Buddhism | 0 | - | 4.81 | 16,640 |
| Astronomy Quiz | 0 | - | 4.87 | 63,905 |
| Google What's the Difference? - Animals | 0 | - | 4.89 | 74,988 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.90 | 57,406 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.87 | 90,702 |
