| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,792 |
| Literature by Letter - A | 0 | - | 4.23 | 31,856 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,115 |
| Literature by Letter - D | 0 | - | 4.30 | 20,531 |
| Literature by Letter - C | 0 | - | 4.34 | 26,475 |
| Literature by Letter - F | 0 | - | 4.26 | 17,146 |
| Literature by Letter - E | 0 | - | 4.03 | 15,034 |
| Literature by Letter - H | 0 | - | 4.23 | 18,065 |
| Literature by Letter - I | 0 | - | 4.25 | 15,208 |
| Literature by Letter - L | 0 | - | 4.32 | 23,210 |
| Literature by Letter - M | 0 | - | 4.18 | 18,606 |
| Literature by Letter - P | 0 | - | 4.18 | 16,726 |
| Literature by Letter - O | 0 | - | 4.30 | 13,515 |
| Literature by Letter - J | 0 | - | 4.23 | 14,811 |
| Literature by Letter - N | 0 | - | 4.24 | 14,291 |
| Literature by Letter - K | 0 | - | 4.13 | 12,278 |
| Literature by Letter - R | 0 | - | 4.06 | 11,868 |
| Literature by Letter - T | 0 | - | 4.37 | 18,546 |
| Literature by Letter - U | 0 | - | 4.20 | 13,085 |
| Literature by Letter - V | 0 | - | 4.06 | 11,718 |
| Literature by Letter - W | 0 | - | 4.15 | 13,475 |
| Geography by Letter - T | 0 | - | 4.84 | 153,383 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 62,800 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,891 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,571 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,092 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 194,615 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,761 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,507 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,049 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,837 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,519 |
| Famous Literary Characters | 0 | - | 4.38 | 36,443 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,224 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,743 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,453 |
| Books by Plot Description | 0 | - | 4.54 | 26,572 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,340 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,859 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 63,980 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,154 |
| Literature by Letter - G | 0 | - | 3.91 | 14,509 |
| Literature by Letter - S | 0 | - | 3.94 | 11,876 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 235,989 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,492 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,775 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,104 |
| NATO Military Alphabet | 0 | - | 4.98 | 557,365 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 800,252 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,935 |
| Geography by Letter - A | 0 | - | 4.74 | 211,186 |
| Geography by Letter - B | 0 | - | 4.56 | 184,240 |
| Geography by Letter - H | 0 | - | 4.69 | 150,003 |
| Geography by Letter - C | 0 | - | 4.47 | 158,360 |
| Geography by Letter - D | 0 | - | 4.50 | 150,205 |
| Geography by Letter - E | 0 | - | 4.42 | 147,309 |
| Geography by Letter - I | 0 | - | 4.42 | 121,756 |
| Geography by Letter - K | 0 | - | 4.53 | 117,872 |
| Geography by Letter - L | 0 | - | 4.43 | 148,221 |
| Geography by Letter - M | 0 | - | 4.49 | 118,375 |
| Geography by Letter - N | 0 | - | 4.51 | 126,792 |
| Geography by Letter - P | 0 | - | 4.47 | 175,741 |
| Geography by Letter - R | 0 | - | 4.43 | 131,156 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,250 |
| Geography by Letter - U | 0 | - | 4.53 | 142,747 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,077 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,244 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,820 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,291 |
| Empires A-Z | 0 | - | 4.51 | 45,031 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,481 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,092 |
| Movies that Start with G | 0 | - | 4.49 | 68,429 |
| Movies that Start with I | 0 | - | 4.41 | 65,075 |
| History by Letter - A | 0 | - | 4.51 | 152,574 |
| History by Letter - B | 0 | - | 4.45 | 171,807 |
| History by Letter - C | 0 | - | 4.70 | 170,948 |
| History by Letter - E | 0 | - | 4.51 | 140,308 |
| History by Letter - G | 0 | - | 4.46 | 121,832 |
| History by Letter - H | 0 | - | 4.45 | 136,294 |
| History by Letter - J | 0 | - | 4.51 | 153,741 |
| History by Letter - N | 0 | - | 4.45 | 103,728 |
| History by Letter - S | 0 | - | 4.47 | 94,062 |
| History by Letter - W | 0 | - | 4.45 | 109,106 |
| History by Letter - M | 0 | - | 4.54 | 119,613 |
| History by Letter - K | 0 | - | 4.50 | 101,155 |
| History by Letter - L | 0 | - | 4.50 | 111,871 |
| History by Letter - I | 0 | - | 4.46 | 104,017 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,892 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,349 |
| Authors of Children's Books | 0 | - | 4.23 | 19,973 |
| Books by City | 0 | - | 4.04 | 14,232 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,480 |
| Dewey Decimal System | 0 | - | 4.28 | 13,560 |
| Authors by Country | 0 | - | 4.40 | 32,140 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,538 |
| 1984 the Book | 0 | - | 4.61 | 21,005 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,597 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,445 |
| Countries by Military Spending | 0 | - | 4.93 | 177,122 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,229 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,051 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,311,737 |
| Animals that Start with L | 0 | - | 4.47 | 101,729 |
| Animals that Start with P | 0 | - | 4.45 | 85,976 |
| Animals that Start with S | 0 | - | 4.49 | 87,173 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,115 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,169 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,629 |
| Islands A-Z | 0 | - | 4.46 | 117,248 |
| Human Body A-Z | 0 | - | 4.51 | 128,939 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,275 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,093 |
| Africa A-Z | 0 | - | 4.57 | 46,529 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,185 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,865 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,985 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,088 |
| Books by Clue #2 | 0 | - | 4.43 | 26,648 |
| Disney A-Z | 0 | - | 4.37 | 86,873 |
| Companies A-Z | 0 | - | 4.30 | 42,665 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,574 |
| Geography by Letter - G | 0 | - | 4.35 | 126,020 |
| Geography by Letter - F | 0 | - | 4.27 | 137,598 |
| Geography by Letter - J | 0 | - | 4.34 | 122,672 |
| Geography by Letter - O | 0 | - | 4.37 | 129,498 |
| Geography by Letter - V | 0 | - | 4.39 | 121,471 |
| Geography by Letter - W | 0 | - | 4.39 | 114,639 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,112 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,450 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,283 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,205 |
| Video Games A-Z | 0 | - | 4.08 | 38,861 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,184 |
| Movies that Start with A | 0 | - | 4.13 | 61,797 |
| Movies that Start with C | 0 | - | 4.30 | 61,752 |
| Movies that Start with B | 0 | - | 4.36 | 85,105 |
| Movies that Start with D | 0 | - | 4.34 | 68,362 |
| Movies that Start with E | 0 | - | 4.13 | 68,294 |
| Movies that Start with J | 0 | - | 4.18 | 76,079 |
| Movies that Start with L | 0 | - | 4.16 | 60,349 |
| Movies that Start with M | 0 | - | 4.28 | 48,166 |
| Movies that Start with N | 0 | - | 4.02 | 41,208 |
| Movies that Start with P | 0 | - | 4.25 | 54,099 |
| Movies that Start with R | 0 | - | 4.17 | 46,573 |
| Movies that Start with W | 0 | - | 4.07 | 44,217 |
| Movies that Start with T | 0 | - | 4.34 | 49,233 |
| Movies that Start with S | 0 | - | 4.35 | 56,394 |
| Movies that Start with F | 0 | - | 4.13 | 68,774 |
| History by Letter - D | 0 | - | 4.39 | 137,291 |
| History by Letter - F | 0 | - | 4.18 | 114,016 |
| History by Letter - O | 0 | - | 4.32 | 99,333 |
| History by Letter - P | 0 | - | 4.39 | 107,659 |
| History by Letter - Q | 0 | - | 4.34 | 80,202 |
| History by Letter - R | 0 | - | 4.26 | 121,996 |
| History by Letter - T | 0 | - | 4.39 | 105,131 |
| History by Letter - U | 0 | - | 4.19 | 100,648 |
| History by Letter - V | 0 | - | 4.27 | 80,632 |
| History by Letter - Y | 0 | - | 4.27 | 87,144 |
| History by Letter - Z | 0 | - | 4.19 | 76,923 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,197 |
| Music by Letter - F | 0 | - | 4.48 | 26,943 |
| Music by Letter - A | 0 | - | 4.61 | 31,308 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,693 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,206 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,413 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,766 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,248 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,819 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,701 |
| The 100 Greatest Novels | 0 | - | 3.72 | 41,737 |
| Bestselling Authors | 0 | - | 4.10 | 18,867 |
| Characters from Books #2 | 0 | - | 4.42 | 79,778 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,441 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,570 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,020 |
| Middle East A-Z | 0 | - | 4.47 | 45,941 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,266 |
| 20th Century A-Z | 0 | - | 4.50 | 53,398 |
| 19th Century A-Z | 0 | - | 4.77 | 46,956 |
| 18th Century A-Z | 0 | - | 4.54 | 42,839 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,430 |
| Books by Clue #1 | 0 | - | 4.36 | 25,745 |
| Literary Groups of Things | 0 | - | 4.26 | 30,595 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,720 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,317 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,269 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,098 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,762 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,050 |
| Star Wars A-Z | 0 | - | 4.46 | 87,857 |
| Monarchies of the World | 0 | - | 4.94 | 167,627 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 112,199 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,413 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,938 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,911 |
| Astronomy Quiz | 0 | - | 4.90 | 82,225 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,652 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,449 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,116 |
