| Southernmost Countries A-Z | 0 | - | 4.94 | 153,191 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,103 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,875 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 191,740 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,207 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,188 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,595 |
| People in History A-Z #1 | 0 | - | 4.63 | 98,929 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,049 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,142 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,673 |
| 20th Century A-Z | 0 | - | 4.50 | 53,632 |
| 19th Century A-Z | 0 | - | 4.77 | 47,213 |
| 18th Century A-Z | 0 | - | 4.54 | 43,097 |
| People in History A-Z #5 | 0 | - | 4.09 | 31,918 |
| History by Letter - A | 0 | - | 4.51 | 152,797 |
| History by Letter - B | 0 | - | 4.45 | 172,029 |
| History by Letter - C | 0 | - | 4.70 | 171,308 |
| History by Letter - E | 0 | - | 4.51 | 140,474 |
| History by Letter - G | 0 | - | 4.46 | 121,990 |
| History by Letter - H | 0 | - | 4.45 | 136,445 |
| History by Letter - J | 0 | - | 4.51 | 153,899 |
| History by Letter - N | 0 | - | 4.45 | 103,994 |
| History by Letter - S | 0 | - | 4.47 | 94,295 |
| History by Letter - W | 0 | - | 4.45 | 109,244 |
| History by Letter - M | 0 | - | 4.54 | 119,750 |
| History by Letter - K | 0 | - | 4.50 | 101,273 |
| History by Letter - L | 0 | - | 4.50 | 112,002 |
| History by Letter - I | 0 | - | 4.46 | 104,130 |
| Religion A-Z #2 | 0 | - | 4.41 | 36,964 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,277 |
| Geography A-Z #2 | 0 | - | 4.46 | 52,862 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,322 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,533 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 129,945 |
| Geography by Letter - T | 0 | - | 4.84 | 153,650 |
| 16th Century A-Z | 0 | - | 4.58 | 24,843 |
| 15th Century A-Z | 0 | - | 4.49 | 23,884 |
| 14th Century A-Z | 0 | - | 4.41 | 24,315 |
| History by Letter - D | 0 | - | 4.39 | 137,444 |
| History by Letter - F | 0 | - | 4.18 | 114,151 |
| History by Letter - O | 0 | - | 4.32 | 99,439 |
| History by Letter - P | 0 | - | 4.39 | 107,784 |
| History by Letter - Q | 0 | - | 4.34 | 80,278 |
| History by Letter - R | 0 | - | 4.26 | 122,114 |
| History by Letter - T | 0 | - | 4.39 | 105,214 |
| History by Letter - U | 0 | - | 4.19 | 100,734 |
| History by Letter - V | 0 | - | 4.27 | 80,711 |
| History by Letter - Y | 0 | - | 4.27 | 87,223 |
| History by Letter - Z | 0 | - | 4.20 | 76,995 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,217 |
| History Containing the Letter X | 0 | - | 4.47 | 27,020 |
| Disney A-Z | 0 | - | 4.37 | 86,957 |
| Companies A-Z | 0 | - | 4.30 | 42,681 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,597 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,898 |
| Islands A-Z | 0 | - | 4.46 | 121,340 |
| Human Body A-Z | 0 | - | 4.51 | 129,021 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 35,392 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,159 |
| Video Games A-Z | 0 | - | 4.08 | 38,914 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,209 |
| Africa A-Z | 0 | - | 4.57 | 46,561 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,547 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,222 |
| People in History A-Z #4 | 0 | - | 4.11 | 23,006 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.89 | 82,029 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 107,731 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,303 |
| "Second Best" History Edition | 0 | - | 4.94 | 62,734 |
| Time Magazine Person of the Year | 0 | - | 4.53 | 73,972 |
| Countries That Were Invaded | 0 | - | 4.55 | 97,302 |
| Military History A-Z | 0 | - | 4.20 | 21,132 |
| Double Letters A-Z | 0 | - | 4.51 | 27,136 |
| World Cities A-Z by Clue #2 | 0 | - | 4.40 | 58,860 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,235 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,280 |
| Same Start and End Letter - History #1 | 0 | - | 4.17 | 24,724 |
| Same Start and End Letter - History #2 | 0 | - | 4.13 | 25,641 |
| History Ending in Z | 0 | - | 4.35 | 13,514 |
| A to Z: Musical Terms #2 | 0 | - | 4.05 | 11,013 |
| Geography A-Z #4 | 0 | - | 4.36 | 25,865 |
| Canada A-Z | 0 | - | 4.73 | 32,768 |
| People Depicted in Paintings | 0 | - | 4.54 | 44,575 |
| Normandy D-Day Beaches | 0 | - | 4.83 | 40,359 |
| Territory Changes in World War I | 0 | - | 4.87 | 46,636 |
| 17th Century A-Z | 0 | - | 4.78 | 34,585 |
| NATO Military Alphabet | 0 | - | 4.98 | 558,255 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.81 | 801,171 |
| Geography by Letter - A | 0 | - | 4.74 | 211,401 |
| Geography by Letter - B | 0 | - | 4.56 | 184,453 |
| Geography by Letter - H | 0 | - | 4.69 | 150,165 |
| Geography by Letter - C | 0 | - | 4.47 | 158,536 |
| Geography by Letter - D | 0 | - | 4.50 | 150,395 |
| Geography by Letter - E | 0 | - | 4.42 | 147,478 |
| Geography by Letter - I | 0 | - | 4.42 | 121,906 |
| Geography by Letter - K | 0 | - | 4.53 | 117,996 |
| Geography by Letter - L | 0 | - | 4.43 | 148,390 |
| Geography by Letter - M | 0 | - | 4.49 | 118,523 |
| Geography by Letter - N | 0 | - | 4.51 | 126,943 |
| Geography by Letter - P | 0 | - | 4.47 | 175,906 |
| Geography by Letter - R | 0 | - | 4.43 | 131,480 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 140,426 |
| Geography by Letter - U | 0 | - | 4.53 | 142,940 |
| Asian Geography By Letter - K | 0 | - | 4.74 | 58,117 |
| Geography Containing the Letter X | 0 | - | 4.42 | 34,608 |
| Geography Containing the Letter Q | 0 | - | 4.55 | 42,767 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,142 |
| Movies that Start with G | 0 | - | 4.49 | 68,465 |
| Movies that Start with I | 0 | - | 4.41 | 65,103 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,042 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,522 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,501 |
| Empires by Maps | 0 | - | 4.98 | 119,897 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,586 |
| Famous Battles Quiz | 0 | - | 4.21 | 48,953 |
| Name the War | 0 | - | 4.37 | 201,432 |
| Famous U.S. Generals | 0 | - | 4.27 | 38,514 |
| Famous Firsts #1 | 0 | - | 4.40 | 69,002 |
| Famous Families #1 | 0 | - | 4.20 | 83,555 |
| Names for Warriors | 0 | - | 4.40 | 36,897 |
| Famous Firsts #2 | 0 | - | 4.01 | 80,990 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,319 |
| Countries by Military Spending | 0 | - | 4.93 | 177,325 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 37,879 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 120,382 |
| Islam A-Z | 0 | - | 4.31 | 23,990 |
| American Football A-Z | 0 | - | 4.26 | 14,502 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,080 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,927 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,138 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,688 |
| WWII A-Z #1 | 0 | - | 4.78 | 102,830 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,577 |
| People in History by Wikipedia Descriptions #1 | 0 | - | 4.42 | 44,331 |
| People in History by Wikipedia Descriptions #2 | 0 | - | 4.42 | 39,447 |
| People in History by Wikipedia Descriptions #3 | 0 | - | 4.50 | 36,665 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,313,495 |
| Animals that Start with L | 0 | - | 4.47 | 101,774 |
| Animals that Start with P | 0 | - | 4.45 | 86,012 |
| Animals that Start with S | 0 | - | 4.49 | 87,217 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,240 |
| Geography by Letter on the World Map - C | 0 | - | 4.79 | 117,314 |
| Space Exploration Trivia | 0 | - | 4.38 | 35,320 |
| Famous Generals - Non U.S. | 0 | - | 4.59 | 15,114 |
| Literature by Letter - A | 0 | - | 4.23 | 31,926 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,167 |
| Geography by Letter - G | 0 | - | 4.35 | 126,172 |
| Geography by Letter - F | 0 | - | 4.27 | 137,738 |
| Geography by Letter - J | 0 | - | 4.34 | 122,798 |
| Geography by Letter - O | 0 | - | 4.37 | 129,637 |
| Geography by Letter - V | 0 | - | 4.39 | 121,637 |
| Geography by Letter - W | 0 | - | 4.39 | 114,762 |
| Geography by Letter - Y | 0 | - | 4.39 | 111,412 |
| Geography by Letter - Z | 0 | - | 4.11 | 81,581 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,397 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,224 |
| Movies that Start with A | 0 | - | 4.13 | 61,819 |
| Movies that Start with C | 0 | - | 4.30 | 61,788 |
| Movies that Start with B | 0 | - | 4.36 | 85,143 |
| Movies that Start with D | 0 | - | 4.34 | 68,387 |
| Movies that Start with E | 0 | - | 4.13 | 68,316 |
| Movies that Start with J | 0 | - | 4.18 | 76,101 |
| Movies that Start with L | 0 | - | 4.16 | 60,372 |
| Movies that Start with M | 0 | - | 4.28 | 48,187 |
| Movies that Start with N | 0 | - | 4.02 | 41,222 |
| Movies that Start with P | 0 | - | 4.25 | 54,123 |
| Movies that Start with R | 0 | - | 4.17 | 46,600 |
| Movies that Start with W | 0 | - | 4.07 | 44,235 |
| Movies that Start with T | 0 | - | 4.34 | 49,254 |
| Movies that Start with S | 0 | - | 4.35 | 56,425 |
| Movies that Start with F | 0 | - | 4.13 | 68,800 |
| Music by Letter - F | 0 | - | 4.48 | 26,964 |
| Music by Letter - A | 0 | - | 4.61 | 31,336 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,802 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,343 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,497 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,902 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,388 |
| Influential Women in History | 0 | - | 4.42 | 35,491 |
| Metals of Antiquity | 0 | - | 4.94 | 93,281 |
| Cradles of Civilization | 0 | - | 4.46 | 39,542 |
| Materials From History #1 | 0 | - | 4.56 | 51,468 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,569 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 706,543 |
| WWI... or WWII? | 0 | - | 4.85 | 141,834 |
| Oldest Things | 0 | - | 3.92 | 65,642 |
| Famous Homes - Who Lived There? | 0 | - | 4.09 | 26,810 |
| Biggest Nations and Empires Ever | 0 | - | 4.52 | 145,714 |
| Famous Explorers | 0 | - | 4.58 | 36,116 |
| Famous Empires by Description | 0 | - | 4.73 | 118,310 |
| Answers by Time Period | 0 | - | 4.63 | 55,506 |
| Famous Firsts #3 - The United States | 0 | - | 4.19 | 14,624 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 70,174 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 156,790 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,067 |
| Middle East A-Z | 0 | - | 4.47 | 45,970 |
| South America A-Z | 0 | - | 4.13 | 10,890 |
| Google What's the Difference? - History | 0 | - | 4.20 | 46,188 |
| Notable People of WWII | 0 | - | 4.53 | 85,579 |
