| Former Countries by Territory Map | 0 | - | 4.96 | 101,472 |
| Empires by Maps | 0 | - | 4.98 | 118,348 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,410 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,485 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,516 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,575 |
| Former Flags | 0 | - | 4.97 | 106,627 |
| Years in History by Picture | 0 | - | 4.44 | 35,081 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,590 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,981 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,383 |
| Women in History by Picture | 0 | - | 4.25 | 25,755 |
| Military History Vocabulary | 0 | - | 4.91 | 66,621 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,955 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,124 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,718 |
| Countries that Start with D | 0 | - | 4.96 | 701,134 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,021 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,255 |
| Countries that Start with H | 0 | - | 4.96 | 597,597 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,888 |
| Countries that Start with J | 0 | - | 4.98 | 595,665 |
| Countries that Start with K | 0 | - | 4.96 | 809,096 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,509 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,376 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,208 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,035 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,938 |
| Countries that Start with U | 0 | - | 4.97 | 899,713 |
| Countries that Start with V | 0 | - | 4.98 | 604,886 |
| Countries that Start with F | 0 | - | 4.83 | 611,909 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,909 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,976 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,299 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,182 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,082 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,546 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,520 |
| Name the English Monarchs | 0 | - | 4.92 | 497,715 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,786 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,709 |
| "Second Best" History Edition | 0 | - | 4.94 | 61,708 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,111 |
| WWII Geography | 0 | - | 4.81 | 119,309 |
| International Footballers by Picture | 0 | - | 4.50 | 54,666 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,568 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 16,979 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,910 |
| Name a Country A-Z | 0 | - | 5.00 | 240,259 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 120,014 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,980 |
| Famous Dictators #1 | 0 | - | 4.69 | 198,716 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,437 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,616 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,523 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,193 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,069 |
| History by Picture - A | 0 | - | 4.25 | 45,443 |
| History by Picture - B | 0 | - | 4.40 | 48,554 |
| History by Picture - C | 0 | - | 4.36 | 54,062 |
| History by Picture - F | 0 | - | 4.35 | 37,570 |
| History by Picture - G | 0 | - | 4.40 | 41,830 |
| History by Picture - D | 0 | - | 4.29 | 43,990 |
| History by Picture - E | 0 | - | 4.27 | 43,610 |
| History by Picture - H | 0 | - | 4.37 | 36,525 |
| History by Picture - K | 0 | - | 4.35 | 33,090 |
| History by Picture - M | 0 | - | 4.17 | 35,898 |
| History by Picture - N | 0 | - | 4.40 | 40,977 |
| History by Picture - O | 0 | - | 4.39 | 36,016 |
| History by Picture - T | 0 | - | 4.20 | 33,078 |
| British History A-Z #1 | 0 | - | 4.45 | 45,792 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,400 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,120 |
| Countries Bordering "U" Countries | 0 | - | 4.81 | 24,052 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 45,700 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,214 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,047 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,195 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,461 |
| Words for Leaders | 0 | - | 4.77 | 255,050 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,625 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,996 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,109 |
| All Country Flags of the World | 0 | - | 5.00 | 3,598,956 |
| Countries that Start with R | 0 | - | 4.43 | 443,425 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,817 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,349 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,854 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,782 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,660 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,183 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,833 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,638 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,602 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,004 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,377 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,147 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,552 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,056 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,272 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,571 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,696 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,375 |
| Metals of Antiquity | 0 | - | 4.94 | 92,875 |
| Spanish History A-Z | 0 | - | 4.36 | 19,028 |
| Italian History A-Z | 0 | - | 4.21 | 17,377 |
| Popular Royal Names | 0 | - | 4.27 | 124,456 |
| Russian History A-Z | 0 | - | 4.38 | 30,707 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,124 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,137 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,074 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,194 |
| First Names of Painters | 0 | - | 4.43 | 59,590 |
| History by Picture - I | 0 | - | 4.26 | 25,995 |
| History by Picture - J | 0 | - | 4.18 | 26,516 |
| History by Picture - L | 0 | - | 4.18 | 30,545 |
| History by Picture - P | 0 | - | 4.08 | 25,096 |
| History by Picture - Q | 0 | - | 4.03 | 21,908 |
| History by Picture - R | 0 | - | 4.13 | 26,620 |
| History by Picture - S | 0 | - | 4.14 | 27,574 |
| History by Picture - U | 0 | - | 4.24 | 24,926 |
| History by Picture - V | 0 | - | 4.30 | 24,893 |
| History by Picture - W | 0 | - | 4.01 | 21,484 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,639 |
| German History A-Z | 0 | - | 4.49 | 24,208 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,981 |
| Countries by Road Signs | 0 | - | 4.98 | 53,065 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.30 | 128,960 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.29 | 46,075 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.35 | 48,219 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,994 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,784 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,124 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,467 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,296 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,195 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,427 |
| Influential Women in History | 0 | - | 4.42 | 34,926 |
| Cradles of Civilization | 0 | - | 4.46 | 38,988 |
| History of The Netherlands | 0 | - | 4.46 | 17,305 |
| Materials From History #1 | 0 | - | 4.56 | 50,547 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,644 |
| UN Secretaries-General | 0 | - | 4.40 | 7,759 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,539 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,118 |
| Famous Explorers | 0 | - | 4.58 | 35,926 |
| Famous Empires by Description | 0 | - | 4.70 | 117,504 |
| Answers by Time Period | 0 | - | 4.63 | 55,252 |
| Flags with Crescents | 0 | - | 4.98 | 167,459 |
| Country Flag Trivia | 0 | - | 4.81 | 55,875 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,343 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,418 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,842 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,410 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,990 |
| National Football Team Logos | 0 | - | 4.84 | 178,551 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,775 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,066 |
| Countries with NO Military | 0 | - | 4.97 | 61,136 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,687 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,884 |
| NATO Countries | 0 | - | 4.98 | 275,513 |
| EU Countries Quiz | 0 | - | 4.99 | 269,735 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,964 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,670 |
| Books of the Protestant Bible | 0 | - | 4.89 | 207,075 |
| The Bible A-Z | 0 | - | 4.29 | 59,235 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,324 |
| Colors by Letter | 0 | - | 4.25 | 162,011 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,908 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,168 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,414 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,859 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,235 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,453 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,128 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,898 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,280 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,679 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,981 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,499 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,488 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 49,996 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,488 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,481 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,427 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,525 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,071 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,645 |
| European Geography A-Z | 0 | - | 4.28 | 48,983 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,170 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,167 |
| Materials From History #2 | 0 | - | 4.59 | 30,903 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,285 |
| WWII First Names | 0 | - | 4.44 | 41,551 |
| WWII Decoder | 0 | - | 4.41 | 53,022 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 54,726 |
| WWII for Dummies | 0 | - | 4.80 | 103,781 |
| Cold War Decoder | 0 | - | 4.83 | 51,903 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,310 |
