| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,841 |
| Literature by Letter - A | 0 | - | 4.23 | 31,888 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,130 |
| Literature by Letter - C | 0 | - | 4.34 | 26,503 |
| Literature by Letter - F | 0 | - | 4.26 | 17,176 |
| Literature by Letter - E | 0 | - | 4.03 | 15,055 |
| Literature by Letter - H | 0 | - | 4.23 | 18,086 |
| Literature by Letter - I | 0 | - | 4.25 | 15,226 |
| Literature by Letter - L | 0 | - | 4.32 | 23,222 |
| Literature by Letter - M | 0 | - | 4.18 | 18,626 |
| Literature by Letter - P | 0 | - | 4.18 | 16,740 |
| Literature by Letter - O | 0 | - | 4.30 | 13,532 |
| Literature by Letter - J | 0 | - | 4.23 | 14,827 |
| Literature by Letter - N | 0 | - | 4.24 | 14,307 |
| Literature by Letter - K | 0 | - | 4.13 | 12,294 |
| Literature by Letter - R | 0 | - | 4.06 | 11,884 |
| Literature by Letter - T | 0 | - | 4.37 | 18,559 |
| Literature by Letter - U | 0 | - | 4.20 | 13,096 |
| Literature by Letter - V | 0 | - | 4.06 | 11,732 |
| Literature by Letter - W | 0 | - | 4.15 | 13,485 |
| Geography by Letter - T | 0 | - | 4.84 | 153,557 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 62,822 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 81,978 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,680 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 153,157 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,044 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,830 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,655 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,144 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 179,930 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,569 |
| Famous Literary Characters | 0 | - | 4.38 | 36,474 |
| Charlie and the Chocolate Factory | 0 | - | 4.43 | 16,229 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 40,763 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,476 |
| Books by Plot Description | 0 | - | 4.55 | 26,601 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,381 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 47,878 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,020 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,184 |
| Literature by Letter - G | 0 | - | 3.91 | 14,524 |
| Literature by Letter - S | 0 | - | 3.94 | 11,893 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,183 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,618 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 75,797 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,134 |
| NATO Military Alphabet | 0 | - | 4.98 | 557,986 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 800,992 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,960 |
| Geography by Letter - A | 0 | - | 4.74 | 211,331 |
| Geography by Letter - B | 0 | - | 4.56 | 184,379 |
| Geography by Letter - H | 0 | - | 4.69 | 150,130 |
| Geography by Letter - C | 0 | - | 4.47 | 158,483 |
| Geography by Letter - D | 0 | - | 4.50 | 150,337 |
| Geography by Letter - E | 0 | - | 4.42 | 147,425 |
| Geography by Letter - I | 0 | - | 4.42 | 121,851 |
| Geography by Letter - K | 0 | - | 4.53 | 117,964 |
| Geography by Letter - L | 0 | - | 4.43 | 148,337 |
| Geography by Letter - M | 0 | - | 4.49 | 118,477 |
| Geography by Letter - N | 0 | - | 4.51 | 126,894 |
| Geography by Letter - P | 0 | - | 4.47 | 175,855 |
| Geography by Letter - R | 0 | - | 4.43 | 131,412 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,370 |
| Geography by Letter - U | 0 | - | 4.53 | 142,867 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,099 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,264 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,849 |
| Geography A-Z #5 | 0 | - | 4.47 | 37,313 |
| Empires A-Z | 0 | - | 4.51 | 45,076 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,516 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,116 |
| Movies that Start with G | 0 | - | 4.49 | 68,458 |
| Movies that Start with I | 0 | - | 4.41 | 65,098 |
| History by Letter - A | 0 | - | 4.51 | 152,762 |
| History by Letter - B | 0 | - | 4.45 | 171,990 |
| History by Letter - C | 0 | - | 4.70 | 171,269 |
| History by Letter - E | 0 | - | 4.51 | 140,452 |
| History by Letter - G | 0 | - | 4.46 | 121,957 |
| History by Letter - H | 0 | - | 4.45 | 136,417 |
| History by Letter - J | 0 | - | 4.51 | 153,865 |
| History by Letter - N | 0 | - | 4.45 | 103,977 |
| History by Letter - S | 0 | - | 4.47 | 94,272 |
| History by Letter - W | 0 | - | 4.45 | 109,211 |
| History by Letter - M | 0 | - | 4.54 | 119,735 |
| History by Letter - K | 0 | - | 4.50 | 101,262 |
| History by Letter - L | 0 | - | 4.50 | 111,985 |
| History by Letter - I | 0 | - | 4.46 | 104,110 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,993 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,469 |
| Authors of Children's Books | 0 | - | 4.23 | 19,976 |
| Books by City | 0 | - | 4.04 | 14,242 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,498 |
| Dewey Decimal System | 0 | - | 4.28 | 13,567 |
| Authors by Country | 0 | - | 4.40 | 32,154 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,546 |
| 1984 the Book | 0 | - | 4.61 | 21,014 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,600 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,453 |
| Countries by Military Spending | 0 | - | 4.93 | 177,264 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,315 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,069 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,312,939 |
| Animals that Start with L | 0 | - | 4.47 | 101,759 |
| Animals that Start with P | 0 | - | 4.45 | 86,001 |
| Animals that Start with S | 0 | - | 4.49 | 87,202 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,193 |
| Geography by Letter on the World Map - C | 0 | - | 4.78 | 117,267 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,837 |
| Islands A-Z | 0 | - | 4.46 | 117,846 |
| Human Body A-Z | 0 | - | 4.51 | 128,996 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,353 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,141 |
| Africa A-Z | 0 | - | 4.57 | 46,554 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,211 |
| People in History A-Z #1 | 0 | - | 4.61 | 98,908 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,031 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,125 |
| Books by Clue #2 | 0 | - | 4.43 | 26,662 |
| Disney A-Z | 0 | - | 4.37 | 86,932 |
| Companies A-Z | 0 | - | 4.30 | 42,675 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,594 |
| Geography by Letter - G | 0 | - | 4.35 | 126,133 |
| Geography by Letter - F | 0 | - | 4.27 | 137,696 |
| Geography by Letter - J | 0 | - | 4.34 | 122,757 |
| Geography by Letter - O | 0 | - | 4.37 | 129,603 |
| Geography by Letter - V | 0 | - | 4.39 | 121,571 |
| Geography by Letter - W | 0 | - | 4.39 | 114,712 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,202 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,514 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,357 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,220 |
| Video Games A-Z | 0 | - | 4.08 | 38,906 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,199 |
| Movies that Start with A | 0 | - | 4.13 | 61,816 |
| Movies that Start with C | 0 | - | 4.30 | 61,779 |
| Movies that Start with B | 0 | - | 4.36 | 85,138 |
| Movies that Start with D | 0 | - | 4.34 | 68,384 |
| Movies that Start with E | 0 | - | 4.13 | 68,313 |
| Movies that Start with J | 0 | - | 4.18 | 76,096 |
| Movies that Start with L | 0 | - | 4.16 | 60,368 |
| Movies that Start with M | 0 | - | 4.28 | 48,183 |
| Movies that Start with N | 0 | - | 4.02 | 41,218 |
| Movies that Start with P | 0 | - | 4.25 | 54,118 |
| Movies that Start with R | 0 | - | 4.17 | 46,592 |
| Movies that Start with W | 0 | - | 4.07 | 44,227 |
| Movies that Start with T | 0 | - | 4.34 | 49,248 |
| Movies that Start with S | 0 | - | 4.35 | 56,419 |
| Movies that Start with F | 0 | - | 4.13 | 68,791 |
| History by Letter - D | 0 | - | 4.39 | 137,428 |
| History by Letter - F | 0 | - | 4.18 | 114,132 |
| History by Letter - O | 0 | - | 4.32 | 99,423 |
| History by Letter - P | 0 | - | 4.39 | 107,762 |
| History by Letter - Q | 0 | - | 4.34 | 80,261 |
| History by Letter - R | 0 | - | 4.26 | 122,087 |
| History by Letter - T | 0 | - | 4.39 | 105,192 |
| History by Letter - U | 0 | - | 4.19 | 100,713 |
| History by Letter - V | 0 | - | 4.27 | 80,698 |
| History by Letter - Y | 0 | - | 4.27 | 87,209 |
| History by Letter - Z | 0 | - | 4.20 | 76,982 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,209 |
| Music by Letter - F | 0 | - | 4.48 | 26,958 |
| Music by Letter - A | 0 | - | 4.61 | 31,325 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,772 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,302 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,467 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,872 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,344 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,831 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,706 |
| The 100 Greatest Novels | 0 | - | 3.72 | 41,750 |
| Bestselling Authors | 0 | - | 4.10 | 18,878 |
| Characters from Books #2 | 0 | - | 4.42 | 79,807 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,443 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,705 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,050 |
| Middle East A-Z | 0 | - | 4.47 | 45,958 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,288 |
| 20th Century A-Z | 0 | - | 4.50 | 53,597 |
| 19th Century A-Z | 0 | - | 4.77 | 47,178 |
| 18th Century A-Z | 0 | - | 4.54 | 43,066 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,434 |
| Books by Clue #1 | 0 | - | 4.36 | 25,754 |
| Literary Groups of Things | 0 | - | 4.26 | 30,606 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,739 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,335 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.37 | 14,273 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,143 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,776 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 90,485 |
| Star Wars A-Z | 0 | - | 4.46 | 87,973 |
| Monarchies of the World | 0 | - | 4.94 | 167,815 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,284 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,512 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,027 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 74,959 |
| Astronomy Quiz | 0 | - | 4.90 | 82,312 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 92,701 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,514 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,190 |
| Musical Acts by Letter - J | 0 | - | 4.17 | 77,382 |
