| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,518 |
| Literature by Letter - A | 0 | - | 4.23 | 31,761 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,067 |
| Literature by Letter - D | 0 | - | 4.30 | 20,461 |
| Literature by Letter - C | 0 | - | 4.34 | 26,387 |
| Literature by Letter - F | 0 | - | 4.26 | 17,084 |
| Literature by Letter - H | 0 | - | 4.23 | 18,003 |
| Literature by Letter - I | 0 | - | 4.25 | 15,146 |
| Literature by Letter - L | 0 | - | 4.32 | 23,141 |
| Literature by Letter - M | 0 | - | 4.18 | 18,543 |
| Literature by Letter - P | 0 | - | 4.18 | 16,672 |
| Literature by Letter - O | 0 | - | 4.30 | 13,469 |
| Literature by Letter - J | 0 | - | 4.23 | 14,747 |
| Literature by Letter - N | 0 | - | 4.24 | 14,239 |
| Literature by Letter - K | 0 | - | 4.13 | 12,228 |
| Literature by Letter - R | 0 | - | 4.06 | 11,825 |
| Literature by Letter - T | 0 | - | 4.37 | 18,491 |
| Literature by Letter - U | 0 | - | 4.20 | 13,041 |
| Literature by Letter - V | 0 | - | 4.06 | 11,677 |
| Literature by Letter - W | 0 | - | 4.15 | 13,430 |
| Geography by Letter - T | 0 | - | 4.84 | 152,436 |
| Authors with Books Turned into Movies | 0 | - | 4.44 | 62,630 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,275 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 106,907 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,736 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,945 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,398 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 190,756 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,395 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,386 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,157 |
| Famous Literary Characters | 0 | - | 4.38 | 36,320 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,163 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,590 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,344 |
| Books by Plot Description | 0 | - | 4.54 | 26,394 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,147 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,768 |
| 100 Books You Can't Do Without | 0 | - | 4.48 | 63,345 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,010 |
| Literature by Letter - G | 0 | - | 3.91 | 14,458 |
| Literature by Letter - S | 0 | - | 3.94 | 11,825 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,853 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,774 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,621 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.45 | 44,989 |
| NATO Military Alphabet | 0 | - | 4.98 | 554,228 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 797,891 |
| Geography by Letter - A | 0 | - | 4.74 | 210,121 |
| Geography by Letter - B | 0 | - | 4.56 | 183,278 |
| Geography by Letter - H | 0 | - | 4.69 | 149,298 |
| Geography by Letter - C | 0 | - | 4.47 | 157,572 |
| Geography by Letter - D | 0 | - | 4.50 | 149,510 |
| Geography by Letter - E | 0 | - | 4.42 | 146,660 |
| Geography by Letter - I | 0 | - | 4.42 | 121,214 |
| Geography by Letter - K | 0 | - | 4.53 | 117,341 |
| Geography by Letter - L | 0 | - | 4.43 | 147,632 |
| Geography by Letter - M | 0 | - | 4.49 | 117,641 |
| Geography by Letter - N | 0 | - | 4.51 | 126,247 |
| Geography by Letter - P | 0 | - | 4.47 | 175,157 |
| Geography by Letter - R | 0 | - | 4.43 | 130,347 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 139,620 |
| Geography by Letter - U | 0 | - | 4.54 | 142,078 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 57,981 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,070 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,690 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,190 |
| Empires A-Z | 0 | - | 4.51 | 44,822 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,338 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,912 |
| Movies that Start with G | 0 | - | 4.48 | 68,245 |
| Movies that Start with I | 0 | - | 4.41 | 64,885 |
| History by Letter - A | 0 | - | 4.51 | 152,120 |
| History by Letter - B | 0 | - | 4.45 | 171,266 |
| History by Letter - C | 0 | - | 4.69 | 170,324 |
| History by Letter - E | 0 | - | 4.51 | 139,853 |
| History by Letter - G | 0 | - | 4.45 | 121,453 |
| History by Letter - H | 0 | - | 4.45 | 135,873 |
| History by Letter - J | 0 | - | 4.51 | 153,250 |
| History by Letter - N | 0 | - | 4.44 | 103,391 |
| History by Letter - S | 0 | - | 4.47 | 93,678 |
| History by Letter - W | 0 | - | 4.45 | 108,739 |
| History by Letter - M | 0 | - | 4.54 | 119,105 |
| History by Letter - K | 0 | - | 4.50 | 100,823 |
| History by Letter - L | 0 | - | 4.49 | 111,508 |
| History by Letter - I | 0 | - | 4.46 | 103,688 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,266 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,197 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,772 |
| Authors of Children's Books | 0 | - | 4.23 | 19,951 |
| Books by City | 0 | - | 4.04 | 14,198 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,429 |
| Dewey Decimal System | 0 | - | 4.28 | 13,540 |
| Authors by Country | 0 | - | 4.40 | 32,089 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,482 |
| 1984 the Book | 0 | - | 4.61 | 20,957 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,556 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,385 |
| Countries by Military Spending | 0 | - | 4.93 | 176,408 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 119,710 |
| "Of Something" Book Titles | 0 | - | 4.45 | 47,942 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,304,942 |
| Animals that Start with L | 0 | - | 4.47 | 101,276 |
| Animals that Start with P | 0 | - | 4.45 | 85,656 |
| Animals that Start with S | 0 | - | 4.49 | 86,831 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 89,637 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 116,596 |
| World Cities A-Z by Clue #1 | 0 | - | 4.49 | 66,014 |
| Islands A-Z | 0 | - | 4.46 | 116,765 |
| World Cities A-Z by Clue #2 | 0 | - | 4.40 | 57,507 |
| Human Body A-Z | 0 | - | 4.51 | 128,410 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 34,251 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,814 |
| Africa A-Z | 0 | - | 4.57 | 46,373 |
| Ethnic Groups A-Z | 0 | - | 4.50 | 42,049 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,600 |
| People in History A-Z #2 | 0 | - | 4.47 | 54,820 |
| People in History A-Z #3 | 0 | - | 4.44 | 45,960 |
| Books by Clue #2 | 0 | - | 4.43 | 26,605 |
| Disney A-Z | 0 | - | 4.37 | 86,523 |
| Companies A-Z | 0 | - | 4.30 | 42,610 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,483 |
| Religion A-Z #2 | 0 | - | 4.40 | 36,813 |
| Geography by Letter - G | 0 | - | 4.35 | 125,483 |
| Geography by Letter - F | 0 | - | 4.27 | 137,059 |
| Geography by Letter - J | 0 | - | 4.34 | 122,169 |
| Geography by Letter - O | 0 | - | 4.37 | 128,994 |
| Geography by Letter - V | 0 | - | 4.39 | 120,893 |
| Geography by Letter - W | 0 | - | 4.39 | 114,199 |
| Geography by Letter - Y | 0 | - | 4.39 | 110,666 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,034 |
| Geography by Letter - Q | 0 | - | 4.38 | 68,881 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.18 | 35,109 |
| Video Games A-Z | 0 | - | 4.08 | 38,692 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,078 |
| Movies that Start with A | 0 | - | 4.13 | 61,636 |
| Movies that Start with C | 0 | - | 4.30 | 61,575 |
| Movies that Start with B | 0 | - | 4.35 | 84,912 |
| Movies that Start with D | 0 | - | 4.34 | 68,219 |
| Movies that Start with E | 0 | - | 4.13 | 68,166 |
| Movies that Start with J | 0 | - | 4.18 | 75,916 |
| Movies that Start with L | 0 | - | 4.16 | 60,221 |
| Movies that Start with M | 0 | - | 4.28 | 48,059 |
| Movies that Start with N | 0 | - | 4.02 | 41,103 |
| Movies that Start with P | 0 | - | 4.25 | 53,998 |
| Movies that Start with R | 0 | - | 4.17 | 46,439 |
| Movies that Start with W | 0 | - | 4.07 | 44,132 |
| Movies that Start with T | 0 | - | 4.33 | 49,109 |
| Movies that Start with S | 0 | - | 4.35 | 56,266 |
| Movies that Start with F | 0 | - | 4.13 | 68,635 |
| History by Letter - D | 0 | - | 4.39 | 136,886 |
| History by Letter - F | 0 | - | 4.18 | 113,693 |
| History by Letter - O | 0 | - | 4.31 | 99,054 |
| History by Letter - P | 0 | - | 4.38 | 107,349 |
| History by Letter - Q | 0 | - | 4.34 | 79,977 |
| History by Letter - R | 0 | - | 4.26 | 121,657 |
| History by Letter - T | 0 | - | 4.39 | 104,876 |
| History by Letter - U | 0 | - | 4.19 | 100,254 |
| History by Letter - V | 0 | - | 4.27 | 80,367 |
| History by Letter - Y | 0 | - | 4.27 | 86,934 |
| History by Letter - Z | 0 | - | 4.18 | 76,743 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,119 |
| Music by Letter - F | 0 | - | 4.48 | 26,828 |
| Music by Letter - A | 0 | - | 4.61 | 31,192 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,670 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,013 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,195 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,716 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,784 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,669 |
| The 100 Greatest Novels | 0 | - | 3.71 | 41,665 |
| Bestselling Authors | 0 | - | 4.10 | 18,818 |
| Characters from Books #2 | 0 | - | 4.42 | 79,527 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,423 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 155,811 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 66,842 |
| Middle East A-Z | 0 | - | 4.47 | 45,789 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,150 |
| 20th Century A-Z | 0 | - | 4.50 | 53,168 |
| 19th Century A-Z | 0 | - | 4.77 | 46,739 |
| 18th Century A-Z | 0 | - | 4.54 | 42,649 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,396 |
| Books by Clue #1 | 0 | - | 4.36 | 25,707 |
| Literary Groups of Things | 0 | - | 4.26 | 30,538 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,619 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,232 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,234 |
| Hunger Games Trivia | 0 | - | 4.22 | 52,863 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,669 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 85,088 |
| Star Wars A-Z | 0 | - | 4.46 | 87,180 |
| Monarchies of the World | 0 | - | 4.94 | 166,617 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,549 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,940 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,465 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,667 |
| Astronomy Quiz | 0 | - | 4.90 | 81,708 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,427 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 65,173 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,736 |
