| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,376 |
| Literature by Letter - A | 0 | - | 4.24 | 32,255 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,358 |
| Literature by Letter - D | 0 | - | 4.29 | 20,879 |
| Literature by Letter - C | 0 | - | 4.34 | 26,830 |
| Literature by Letter - F | 0 | - | 4.26 | 17,467 |
| Literature by Letter - E | 0 | - | 4.05 | 15,359 |
| Literature by Letter - H | 0 | - | 4.29 | 20,335 |
| Literature by Letter - I | 0 | - | 4.25 | 17,567 |
| Literature by Letter - M | 0 | - | 4.18 | 18,855 |
| Literature by Letter - P | 0 | - | 4.18 | 16,989 |
| Literature by Letter - O | 0 | - | 4.30 | 13,747 |
| Literature by Letter - J | 0 | - | 4.23 | 15,091 |
| Literature by Letter - N | 0 | - | 4.24 | 14,536 |
| Literature by Letter - K | 0 | - | 4.13 | 12,537 |
| Literature by Letter - R | 0 | - | 4.06 | 12,120 |
| Literature by Letter - T | 0 | - | 4.33 | 18,755 |
| Literature by Letter - U | 0 | - | 4.20 | 13,297 |
| Literature by Letter - V | 0 | - | 4.06 | 11,946 |
| Literature by Letter - W | 0 | - | 4.15 | 13,688 |
| Geography by Letter - T | 0 | - | 4.84 | 154,574 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 63,074 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,639 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,454 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,849 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,177 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,613 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,923 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,430 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,845 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,194 |
| Famous Literary Characters | 0 | - | 4.38 | 36,704 |
| Charlie and the Chocolate Factory | 0 | - | 4.45 | 16,348 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 40,980 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,646 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,740 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 48,136 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,367 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,668 |
| Literature by Letter - G | 0 | - | 3.91 | 14,810 |
| Literature by Letter - S | 0 | - | 3.94 | 12,121 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,897 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,426 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 76,072 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,346 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,746 |
| NATO Military Alphabet | 0 | - | 4.98 | 562,096 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,057 |
| Geography by Letter - A | 0 | - | 4.74 | 212,272 |
| Geography by Letter - B | 0 | - | 4.56 | 185,289 |
| Geography by Letter - H | 0 | - | 4.69 | 150,863 |
| Geography by Letter - C | 0 | - | 4.48 | 159,283 |
| Geography by Letter - D | 0 | - | 4.50 | 151,295 |
| Geography by Letter - E | 0 | - | 4.42 | 148,134 |
| Geography by Letter - I | 0 | - | 4.42 | 122,425 |
| Geography by Letter - K | 0 | - | 4.54 | 118,783 |
| Geography by Letter - L | 0 | - | 4.44 | 149,214 |
| Geography by Letter - M | 0 | - | 4.49 | 119,074 |
| Geography by Letter - N | 0 | - | 4.51 | 127,622 |
| Geography by Letter - P | 0 | - | 4.47 | 176,513 |
| Geography by Letter - R | 0 | - | 4.43 | 132,199 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,045 |
| Geography by Letter - U | 0 | - | 4.53 | 143,565 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,257 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,442 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,024 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,438 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,700 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,478 |
| Movies that Start with G | 0 | - | 4.49 | 68,701 |
| Movies that Start with I | 0 | - | 4.41 | 65,298 |
| History by Letter - A | 0 | - | 4.51 | 153,508 |
| History by Letter - B | 0 | - | 4.45 | 172,818 |
| History by Letter - C | 0 | - | 4.70 | 172,120 |
| History by Letter - E | 0 | - | 4.51 | 141,103 |
| History by Letter - G | 0 | - | 4.46 | 122,556 |
| History by Letter - H | 0 | - | 4.45 | 137,197 |
| History by Letter - J | 0 | - | 4.51 | 154,567 |
| History by Letter - N | 0 | - | 4.45 | 104,415 |
| History by Letter - S | 0 | - | 4.47 | 94,721 |
| History by Letter - W | 0 | - | 4.45 | 109,926 |
| History by Letter - M | 0 | - | 4.54 | 120,232 |
| History by Letter - K | 0 | - | 4.50 | 101,707 |
| History by Letter - L | 0 | - | 4.50 | 112,488 |
| History by Letter - I | 0 | - | 4.46 | 104,748 |
| Authors of Children's Books | 0 | - | 4.23 | 20,022 |
| Books by City | 0 | - | 4.04 | 14,307 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,596 |
| Dewey Decimal System | 0 | - | 4.28 | 13,598 |
| Authors by Country | 0 | - | 4.40 | 32,240 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,659 |
| 1984 the Book | 0 | - | 4.61 | 21,075 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,649 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,513 |
| Countries by Military Spending | 0 | - | 4.93 | 178,543 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,284 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,183 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,321,030 |
| Animals that Start with L | 0 | - | 4.47 | 102,293 |
| Animals that Start with P | 0 | - | 4.45 | 86,339 |
| Animals that Start with S | 0 | - | 4.49 | 87,544 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,781 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,173 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,494 |
| Islands A-Z | 0 | - | 4.46 | 126,132 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,349 |
| Human Body A-Z | 0 | - | 4.51 | 129,442 |
| Asian Cities A-Z by Clue | 0 | - | 4.51 | 42,631 |
| Africa A-Z | 0 | - | 4.57 | 46,709 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,397 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,236 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,246 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,283 |
| Books by Clue #2 | 0 | - | 4.43 | 26,737 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.42 | 16,780 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,319 |
| Brand Logos That Start With D | 0 | - | 4.36 | 61,865 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,891 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,526 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,172 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,957 |
| Disney A-Z | 0 | - | 4.37 | 87,317 |
| Companies A-Z | 0 | - | 4.30 | 42,733 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,687 |
| Geography by Letter - G | 0 | - | 4.33 | 126,744 |
| Geography by Letter - F | 0 | - | 4.28 | 138,455 |
| Geography by Letter - J | 0 | - | 4.35 | 123,336 |
| Geography by Letter - O | 0 | - | 4.37 | 130,165 |
| Geography by Letter - V | 0 | - | 4.39 | 122,198 |
| Geography by Letter - W | 0 | - | 4.39 | 115,195 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,894 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,941 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,812 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,322 |
| Video Games A-Z | 0 | - | 4.05 | 39,124 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,332 |
| Movies that Start with A | 0 | - | 4.13 | 62,036 |
| Movies that Start with C | 0 | - | 4.30 | 62,024 |
| Movies that Start with B | 0 | - | 4.36 | 85,587 |
| Movies that Start with D | 0 | - | 4.34 | 68,578 |
| Movies that Start with E | 0 | - | 4.13 | 68,511 |
| Movies that Start with J | 0 | - | 4.18 | 76,303 |
| Movies that Start with L | 0 | - | 4.16 | 60,524 |
| Movies that Start with M | 0 | - | 4.28 | 48,329 |
| Movies that Start with N | 0 | - | 4.02 | 41,330 |
| Movies that Start with P | 0 | - | 4.25 | 54,229 |
| Movies that Start with R | 0 | - | 4.17 | 46,738 |
| Movies that Start with W | 0 | - | 4.07 | 44,325 |
| Movies that Start with T | 0 | - | 4.34 | 49,394 |
| Movies that Start with S | 0 | - | 4.35 | 56,569 |
| Movies that Start with F | 0 | - | 4.13 | 68,993 |
| History by Letter - D | 0 | - | 4.40 | 138,236 |
| History by Letter - F | 0 | - | 4.18 | 114,812 |
| History by Letter - O | 0 | - | 4.32 | 99,816 |
| History by Letter - P | 0 | - | 4.36 | 108,182 |
| History by Letter - Q | 0 | - | 4.34 | 80,577 |
| History by Letter - R | 0 | - | 4.26 | 122,537 |
| History by Letter - T | 0 | - | 4.39 | 105,579 |
| History by Letter - U | 0 | - | 4.19 | 101,094 |
| History by Letter - V | 0 | - | 4.27 | 81,023 |
| History by Letter - Y | 0 | - | 4.27 | 87,541 |
| History by Letter - Z | 0 | - | 4.20 | 77,277 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,296 |
| Music by Letter - F | 0 | - | 4.48 | 27,066 |
| Music by Letter - A | 0 | - | 4.61 | 31,460 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,900 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,769 |
| The 100 Greatest Novels | 0 | - | 3.74 | 41,862 |
| Bestselling Authors | 0 | - | 4.10 | 18,986 |
| Characters from Books #2 | 0 | - | 4.42 | 80,016 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,478 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,846 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,287 |
| Middle East A-Z | 0 | - | 4.47 | 46,173 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,454 |
| 20th Century A-Z | 0 | - | 4.50 | 53,858 |
| 19th Century A-Z | 0 | - | 4.77 | 47,384 |
| 18th Century A-Z | 0 | - | 4.54 | 43,249 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,487 |
| Books by Clue #1 | 0 | - | 4.36 | 25,815 |
| Literary Groups of Things | 0 | - | 4.26 | 30,671 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,896 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,447 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,427 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,897 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,326 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,245 |
| Star Wars A-Z | 0 | - | 4.46 | 88,508 |
| Monarchies of the World | 0 | - | 4.94 | 169,454 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,431 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,706 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,849 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,404 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.80 | 803,756 |
| Astronomy Quiz | 0 | - | 4.90 | 82,916 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,936 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,982 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,663 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,589 |
| Musical Acts by Letter - M | 0 | - | 4.15 | 93,598 |
