| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,009 |
| Literature by Letter - A | 0 | - | 4.23 | 32,031 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,233 |
| Literature by Letter - D | 0 | - | 4.30 | 20,705 |
| Literature by Letter - C | 0 | - | 4.34 | 26,638 |
| Literature by Letter - F | 0 | - | 4.26 | 17,294 |
| Literature by Letter - H | 0 | - | 4.26 | 19,720 |
| Literature by Letter - I | 0 | - | 4.25 | 15,332 |
| Literature by Letter - L | 0 | - | 4.32 | 23,320 |
| Literature by Letter - M | 0 | - | 4.18 | 18,727 |
| Literature by Letter - P | 0 | - | 4.18 | 16,852 |
| Literature by Letter - O | 0 | - | 4.30 | 13,627 |
| Literature by Letter - J | 0 | - | 4.23 | 14,948 |
| Literature by Letter - N | 0 | - | 4.24 | 14,416 |
| Literature by Letter - K | 0 | - | 4.13 | 12,408 |
| Literature by Letter - R | 0 | - | 4.06 | 12,006 |
| Literature by Letter - T | 0 | - | 4.37 | 18,643 |
| Literature by Letter - U | 0 | - | 4.20 | 13,195 |
| Literature by Letter - V | 0 | - | 4.06 | 11,832 |
| Literature by Letter - W | 0 | - | 4.15 | 13,587 |
| Geography by Letter - T | 0 | - | 4.84 | 153,864 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 62,904 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,166 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,872 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,300 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,271 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,000 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,931 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,404 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,350 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,689 |
| Famous Literary Characters | 0 | - | 4.38 | 36,529 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,260 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 40,830 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,526 |
| Books by Plot Description | 0 | - | 4.55 | 26,674 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,498 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,920 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,116 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,246 |
| Literature by Letter - G | 0 | - | 3.91 | 14,655 |
| Literature by Letter - S | 0 | - | 3.94 | 12,008 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,548 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,854 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,844 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,177 |
| NATO Military Alphabet | 0 | - | 4.98 | 559,254 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 801,921 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,981 |
| Geography by Letter - A | 0 | - | 4.74 | 211,614 |
| Geography by Letter - B | 0 | - | 4.56 | 184,650 |
| Geography by Letter - H | 0 | - | 4.69 | 150,346 |
| Geography by Letter - C | 0 | - | 4.47 | 158,741 |
| Geography by Letter - D | 0 | - | 4.50 | 150,559 |
| Geography by Letter - E | 0 | - | 4.42 | 147,645 |
| Geography by Letter - I | 0 | - | 4.42 | 122,046 |
| Geography by Letter - K | 0 | - | 4.53 | 118,395 |
| Geography by Letter - L | 0 | - | 4.43 | 148,556 |
| Geography by Letter - M | 0 | - | 4.49 | 118,673 |
| Geography by Letter - N | 0 | - | 4.51 | 127,225 |
| Geography by Letter - P | 0 | - | 4.47 | 176,063 |
| Geography by Letter - R | 0 | - | 4.43 | 131,663 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,571 |
| Geography by Letter - U | 0 | - | 4.53 | 143,116 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,145 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,308 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,900 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,353 |
| Empires A-Z | 0 | - | 4.52 | 45,132 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,571 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,195 |
| Movies that Start with G | 0 | - | 4.49 | 68,509 |
| Movies that Start with I | 0 | - | 4.41 | 65,146 |
| History by Letter - A | 0 | - | 4.51 | 153,043 |
| History by Letter - B | 0 | - | 4.45 | 172,322 |
| History by Letter - C | 0 | - | 4.70 | 171,607 |
| History by Letter - E | 0 | - | 4.51 | 140,702 |
| History by Letter - G | 0 | - | 4.46 | 122,202 |
| History by Letter - H | 0 | - | 4.45 | 136,806 |
| History by Letter - J | 0 | - | 4.51 | 154,118 |
| History by Letter - N | 0 | - | 4.45 | 104,142 |
| History by Letter - S | 0 | - | 4.47 | 94,440 |
| History by Letter - W | 0 | - | 4.45 | 109,603 |
| History by Letter - M | 0 | - | 4.54 | 119,906 |
| History by Letter - K | 0 | - | 4.50 | 101,420 |
| History by Letter - L | 0 | - | 4.50 | 112,136 |
| History by Letter - I | 0 | - | 4.46 | 104,293 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,189 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,709 |
| Authors of Children's Books | 0 | - | 4.23 | 19,988 |
| Books by City | 0 | - | 4.04 | 14,254 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,547 |
| Dewey Decimal System | 0 | - | 4.28 | 13,584 |
| Authors by Country | 0 | - | 4.40 | 32,172 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,565 |
| 1984 the Book | 0 | - | 4.61 | 21,022 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,613 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,473 |
| Countries by Military Spending | 0 | - | 4.93 | 177,564 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,624 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,100 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,315,144 |
| Animals that Start with L | 0 | - | 4.47 | 101,857 |
| Animals that Start with P | 0 | - | 4.45 | 86,087 |
| Animals that Start with S | 0 | - | 4.49 | 87,297 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,360 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,451 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,051 |
| Islands A-Z | 0 | - | 4.45 | 123,829 |
| Human Body A-Z | 0 | - | 4.51 | 129,111 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,494 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,552 |
| Africa A-Z | 0 | - | 4.57 | 46,589 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,266 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,994 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,089 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,170 |
| Books by Clue #2 | 0 | - | 4.43 | 26,672 |
| Disney A-Z | 0 | - | 4.37 | 87,042 |
| Companies A-Z | 0 | - | 4.30 | 42,688 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,618 |
| Geography by Letter - G | 0 | - | 4.33 | 126,329 |
| Geography by Letter - F | 0 | - | 4.27 | 137,869 |
| Geography by Letter - J | 0 | - | 4.34 | 122,943 |
| Geography by Letter - O | 0 | - | 4.37 | 129,766 |
| Geography by Letter - V | 0 | - | 4.39 | 121,766 |
| Geography by Letter - W | 0 | - | 4.39 | 114,873 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,529 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,674 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,498 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,249 |
| Video Games A-Z | 0 | - | 4.08 | 38,960 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,239 |
| Movies that Start with A | 0 | - | 4.13 | 61,854 |
| Movies that Start with C | 0 | - | 4.30 | 61,826 |
| Movies that Start with B | 0 | - | 4.36 | 85,193 |
| Movies that Start with D | 0 | - | 4.34 | 68,425 |
| Movies that Start with E | 0 | - | 4.13 | 68,356 |
| Movies that Start with J | 0 | - | 4.18 | 76,153 |
| Movies that Start with L | 0 | - | 4.16 | 60,408 |
| Movies that Start with M | 0 | - | 4.28 | 48,216 |
| Movies that Start with N | 0 | - | 4.02 | 41,248 |
| Movies that Start with P | 0 | - | 4.25 | 54,147 |
| Movies that Start with R | 0 | - | 4.17 | 46,633 |
| Movies that Start with W | 0 | - | 4.07 | 44,258 |
| Movies that Start with T | 0 | - | 4.34 | 49,287 |
| Movies that Start with S | 0 | - | 4.35 | 56,457 |
| Movies that Start with F | 0 | - | 4.13 | 68,834 |
| History by Letter - D | 0 | - | 4.40 | 137,850 |
| History by Letter - F | 0 | - | 4.18 | 114,501 |
| History by Letter - O | 0 | - | 4.32 | 99,564 |
| History by Letter - P | 0 | - | 4.39 | 107,915 |
| History by Letter - Q | 0 | - | 4.34 | 80,391 |
| History by Letter - R | 0 | - | 4.26 | 122,267 |
| History by Letter - T | 0 | - | 4.39 | 105,340 |
| History by Letter - U | 0 | - | 4.19 | 100,855 |
| History by Letter - V | 0 | - | 4.27 | 80,817 |
| History by Letter - Y | 0 | - | 4.27 | 87,332 |
| History by Letter - Z | 0 | - | 4.20 | 77,109 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,233 |
| Music by Letter - F | 0 | - | 4.48 | 26,988 |
| Music by Letter - A | 0 | - | 4.61 | 31,367 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,909 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,462 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,603 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,060 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,516 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,862 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,721 |
| The 100 Greatest Novels | 0 | - | 3.72 | 41,781 |
| Bestselling Authors | 0 | - | 4.10 | 18,896 |
| Characters from Books #2 | 0 | - | 4.42 | 79,859 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,451 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,015 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,107 |
| Middle East A-Z | 0 | - | 4.47 | 45,999 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,335 |
| 20th Century A-Z | 0 | - | 4.50 | 53,701 |
| 19th Century A-Z | 0 | - | 4.77 | 47,263 |
| 18th Century A-Z | 0 | - | 4.54 | 43,148 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,446 |
| Books by Clue #1 | 0 | - | 4.36 | 25,770 |
| Literary Groups of Things | 0 | - | 4.26 | 30,629 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,802 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,355 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,289 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,235 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,817 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,129 |
| Star Wars A-Z | 0 | - | 4.46 | 88,143 |
| Monarchies of the World | 0 | - | 4.94 | 168,426 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,458 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,701 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,211 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,057 |
| Astronomy Quiz | 0 | - | 4.90 | 82,489 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,770 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,622 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,308 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,433 |
