| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,161 |
| Literature by Letter - A | 0 | - | 4.24 | 32,169 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,305 |
| Literature by Letter - D | 0 | - | 4.29 | 20,821 |
| Literature by Letter - C | 0 | - | 4.34 | 26,763 |
| Literature by Letter - F | 0 | - | 4.26 | 17,415 |
| Literature by Letter - E | 0 | - | 4.05 | 15,306 |
| Literature by Letter - H | 0 | - | 4.29 | 20,180 |
| Literature by Letter - I | 0 | - | 4.25 | 17,298 |
| Literature by Letter - L | 0 | - | 4.32 | 23,396 |
| Literature by Letter - M | 0 | - | 4.18 | 18,809 |
| Literature by Letter - P | 0 | - | 4.18 | 16,940 |
| Literature by Letter - O | 0 | - | 4.30 | 13,700 |
| Literature by Letter - J | 0 | - | 4.23 | 15,049 |
| Literature by Letter - N | 0 | - | 4.24 | 14,487 |
| Literature by Letter - K | 0 | - | 4.13 | 12,493 |
| Literature by Letter - R | 0 | - | 4.06 | 12,080 |
| Literature by Letter - T | 0 | - | 4.37 | 18,711 |
| Literature by Letter - U | 0 | - | 4.20 | 13,258 |
| Literature by Letter - W | 0 | - | 4.15 | 13,651 |
| Geography by Letter - T | 0 | - | 4.84 | 154,172 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 62,971 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,359 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,092 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,622 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,786 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,333 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,467 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,006 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,594 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,939 |
| Famous Literary Characters | 0 | - | 4.38 | 36,598 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,298 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 40,902 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,577 |
| Books by Plot Description | 0 | - | 4.55 | 26,755 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,597 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 48,027 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,207 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,495 |
| Literature by Letter - G | 0 | - | 3.91 | 14,765 |
| Literature by Letter - S | 0 | - | 3.94 | 12,074 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 237,350 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,100 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,902 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,245 |
| NATO Military Alphabet | 0 | - | 4.98 | 560,567 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 802,858 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,018 |
| Geography by Letter - A | 0 | - | 4.74 | 211,881 |
| Geography by Letter - B | 0 | - | 4.56 | 184,898 |
| Geography by Letter - H | 0 | - | 4.69 | 150,536 |
| Geography by Letter - C | 0 | - | 4.47 | 158,927 |
| Geography by Letter - D | 0 | - | 4.50 | 150,747 |
| Geography by Letter - E | 0 | - | 4.42 | 147,816 |
| Geography by Letter - I | 0 | - | 4.42 | 122,183 |
| Geography by Letter - K | 0 | - | 4.53 | 118,541 |
| Geography by Letter - L | 0 | - | 4.43 | 148,713 |
| Geography by Letter - M | 0 | - | 4.49 | 118,817 |
| Geography by Letter - N | 0 | - | 4.51 | 127,376 |
| Geography by Letter - P | 0 | - | 4.47 | 176,236 |
| Geography by Letter - R | 0 | - | 4.43 | 131,904 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,787 |
| Geography by Letter - U | 0 | - | 4.53 | 143,316 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,181 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,370 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,947 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,378 |
| Empires A-Z | 0 | - | 4.52 | 45,214 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,625 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,350 |
| Movies that Start with G | 0 | - | 4.49 | 68,580 |
| Movies that Start with I | 0 | - | 4.41 | 65,199 |
| History by Letter - A | 0 | - | 4.51 | 153,274 |
| History by Letter - B | 0 | - | 4.45 | 172,578 |
| History by Letter - C | 0 | - | 4.70 | 171,845 |
| History by Letter - E | 0 | - | 4.51 | 140,915 |
| History by Letter - G | 0 | - | 4.46 | 122,390 |
| History by Letter - H | 0 | - | 4.45 | 137,004 |
| History by Letter - J | 0 | - | 4.51 | 154,359 |
| History by Letter - N | 0 | - | 4.45 | 104,271 |
| History by Letter - S | 0 | - | 4.47 | 94,568 |
| History by Letter - W | 0 | - | 4.45 | 109,749 |
| History by Letter - M | 0 | - | 4.54 | 120,075 |
| History by Letter - K | 0 | - | 4.50 | 101,564 |
| History by Letter - L | 0 | - | 4.50 | 112,312 |
| History by Letter - I | 0 | - | 4.46 | 104,599 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,446 |
| Authors of Children's Books | 0 | - | 4.23 | 20,010 |
| Books by City | 0 | - | 4.04 | 14,276 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,573 |
| Dewey Decimal System | 0 | - | 4.28 | 13,593 |
| Authors by Country | 0 | - | 4.40 | 32,204 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,585 |
| 1984 the Book | 0 | - | 4.61 | 21,047 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,631 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,492 |
| Countries by Military Spending | 0 | - | 4.93 | 177,836 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,906 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,132 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,317,738 |
| Animals that Start with L | 0 | - | 4.47 | 102,160 |
| Animals that Start with P | 0 | - | 4.45 | 86,183 |
| Animals that Start with S | 0 | - | 4.49 | 87,392 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,527 |
| Geography by Letter on the World Map - C | 0 | - | 4.80 | 117,650 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,252 |
| Islands A-Z | 0 | - | 4.46 | 125,021 |
| Human Body A-Z | 0 | - | 4.51 | 129,216 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,628 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,659 |
| Africa A-Z | 0 | - | 4.57 | 46,625 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,325 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,081 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,147 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,216 |
| Books by Clue #2 | 0 | - | 4.43 | 26,698 |
| Disney A-Z | 0 | - | 4.37 | 87,172 |
| Companies A-Z | 0 | - | 4.30 | 42,708 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,648 |
| Geography by Letter - G | 0 | - | 4.33 | 126,474 |
| Geography by Letter - F | 0 | - | 4.27 | 138,033 |
| Geography by Letter - J | 0 | - | 4.34 | 123,095 |
| Geography by Letter - O | 0 | - | 4.37 | 129,923 |
| Geography by Letter - V | 0 | - | 4.39 | 121,946 |
| Geography by Letter - W | 0 | - | 4.39 | 114,998 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,689 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,775 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,626 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,282 |
| Video Games A-Z | 0 | - | 4.08 | 39,029 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,280 |
| Movies that Start with A | 0 | - | 4.13 | 61,912 |
| Movies that Start with C | 0 | - | 4.30 | 61,898 |
| Movies that Start with B | 0 | - | 4.36 | 85,266 |
| Movies that Start with D | 0 | - | 4.34 | 68,474 |
| Movies that Start with E | 0 | - | 4.13 | 68,401 |
| Movies that Start with J | 0 | - | 4.18 | 76,203 |
| Movies that Start with L | 0 | - | 4.16 | 60,457 |
| Movies that Start with M | 0 | - | 4.28 | 48,259 |
| Movies that Start with N | 0 | - | 4.02 | 41,278 |
| Movies that Start with P | 0 | - | 4.25 | 54,174 |
| Movies that Start with R | 0 | - | 4.17 | 46,675 |
| Movies that Start with W | 0 | - | 4.07 | 44,280 |
| Movies that Start with T | 0 | - | 4.34 | 49,333 |
| Movies that Start with S | 0 | - | 4.35 | 56,503 |
| Movies that Start with F | 0 | - | 4.13 | 68,892 |
| History by Letter - D | 0 | - | 4.40 | 138,038 |
| History by Letter - F | 0 | - | 4.18 | 114,665 |
| History by Letter - O | 0 | - | 4.32 | 99,685 |
| History by Letter - P | 0 | - | 4.36 | 108,022 |
| History by Letter - Q | 0 | - | 4.34 | 80,472 |
| History by Letter - R | 0 | - | 4.26 | 122,403 |
| History by Letter - T | 0 | - | 4.39 | 105,447 |
| History by Letter - U | 0 | - | 4.19 | 100,972 |
| History by Letter - V | 0 | - | 4.27 | 80,911 |
| History by Letter - Y | 0 | - | 4.27 | 87,434 |
| History by Letter - Z | 0 | - | 4.20 | 77,191 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,269 |
| Music by Letter - F | 0 | - | 4.48 | 27,024 |
| Music by Letter - A | 0 | - | 4.61 | 31,410 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,084 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,652 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,739 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,262 |
| Brand Logos That Start With M | 0 | - | 4.40 | 62,951 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,723 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,879 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,742 |
| The 100 Greatest Novels | 0 | - | 3.72 | 41,819 |
| Bestselling Authors | 0 | - | 4.10 | 18,924 |
| Characters from Books #2 | 0 | - | 4.42 | 79,933 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,462 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,359 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,183 |
| Middle East A-Z | 0 | - | 4.47 | 46,032 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,380 |
| 20th Century A-Z | 0 | - | 4.50 | 53,772 |
| 19th Century A-Z | 0 | - | 4.77 | 47,324 |
| 18th Century A-Z | 0 | - | 4.54 | 43,203 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,464 |
| Books by Clue #1 | 0 | - | 4.36 | 25,792 |
| Literary Groups of Things | 0 | - | 4.26 | 30,649 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,848 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,404 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,301 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,322 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,849 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,690 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 180,963 |
| Star Wars A-Z | 0 | - | 4.46 | 88,307 |
| Monarchies of the World | 0 | - | 4.94 | 168,874 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,786 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,027 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,496 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,209 |
| Astronomy Quiz | 0 | - | 4.90 | 82,681 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,844 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,787 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,441 |
