| Former Countries by Territory Map | 0 | - | 4.96 | 101,376 |
| Empires by Maps | 0 | - | 4.98 | 118,253 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,307 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,450 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,411 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,525 |
| Former Flags | 0 | - | 4.97 | 106,567 |
| Years in History by Picture | 0 | - | 4.44 | 35,064 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,521 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,927 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,349 |
| Women in History by Picture | 0 | - | 4.25 | 25,749 |
| Military History Vocabulary | 0 | - | 4.91 | 66,606 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,382 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,605 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,279 |
| Countries that Start with D | 0 | - | 4.96 | 700,827 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,687 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,913 |
| Countries that Start with H | 0 | - | 4.96 | 597,354 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,569 |
| Countries that Start with J | 0 | - | 4.98 | 595,418 |
| Countries that Start with K | 0 | - | 4.96 | 808,873 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,257 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,107 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,943 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,641 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,696 |
| Countries that Start with U | 0 | - | 4.97 | 899,547 |
| Countries that Start with V | 0 | - | 4.98 | 604,729 |
| Countries that Start with F | 0 | - | 4.83 | 611,703 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,614 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,946 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,283 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,152 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,060 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,530 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,505 |
| Name the English Monarchs | 0 | - | 4.92 | 497,559 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,721 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,689 |
| "Second Best" History Edition | 0 | - | 4.94 | 61,661 |
| G7 Leaders Since 2003 | 0 | - | 4.48 | 46,097 |
| WWII Geography | 0 | - | 4.81 | 119,284 |
| International Footballers by Picture | 0 | - | 4.50 | 54,625 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,476 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 16,967 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,857 |
| Name a Country A-Z | 0 | - | 5.00 | 240,136 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 119,949 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,977 |
| Famous Dictators #1 | 0 | - | 4.69 | 198,669 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,413 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,584 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,520 |
| Ultimate 20th Century History Quiz | 0 | - | 4.86 | 53,165 |
| The 7 Wonders of the Ancient World | 0 | - | 4.85 | 82,053 |
| History by Picture - A | 0 | - | 4.25 | 45,434 |
| History by Picture - B | 0 | - | 4.40 | 48,543 |
| History by Picture - C | 0 | - | 4.36 | 54,047 |
| History by Picture - F | 0 | - | 4.35 | 37,558 |
| History by Picture - G | 0 | - | 4.40 | 41,816 |
| History by Picture - D | 0 | - | 4.29 | 43,979 |
| History by Picture - E | 0 | - | 4.27 | 43,599 |
| History by Picture - H | 0 | - | 4.37 | 36,512 |
| History by Picture - K | 0 | - | 4.35 | 33,082 |
| History by Picture - M | 0 | - | 4.17 | 35,888 |
| History by Picture - N | 0 | - | 4.40 | 40,967 |
| History by Picture - O | 0 | - | 4.39 | 36,005 |
| History by Picture - T | 0 | - | 4.20 | 33,064 |
| British History A-Z #1 | 0 | - | 4.45 | 45,773 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,380 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,108 |
| Countries Bordering "U" Countries | 0 | - | 4.81 | 24,033 |
| One Country By Letter By Continent on the Map | 0 | - | 4.99 | 45,658 |
| Historical Leaders by Date #1 | 0 | - | 4.48 | 31,209 |
| Historical Leaders by Date #2 | 0 | - | 4.55 | 30,039 |
| Historical Rulers #2 | 0 | - | 4.26 | 47,179 |
| Historical Rulers #1 | 0 | - | 4.35 | 118,442 |
| Words for Leaders | 0 | - | 4.77 | 254,970 |
| World Leaders Quiz #1 | 0 | - | 4.11 | 109,611 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,981 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,089 |
| All Country Flags of the World | 0 | - | 5.00 | 3,596,750 |
| Countries that Start with R | 0 | - | 4.43 | 443,286 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,790 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,331 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,838 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,774 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,646 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,169 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,803 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,630 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,594 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,997 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,359 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,126 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,534 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,030 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,257 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,562 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,671 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,343 |
| Metals of Antiquity | 0 | - | 4.94 | 92,838 |
| Spanish History A-Z | 0 | - | 4.36 | 19,020 |
| Italian History A-Z | 0 | - | 4.21 | 17,365 |
| Popular Royal Names | 0 | - | 4.27 | 124,444 |
| Russian History A-Z | 0 | - | 4.38 | 30,576 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,110 |
| History: What Came First? #1 | 0 | - | 4.87 | 104,099 |
| Famous Dictators #2 | 0 | - | 4.31 | 87,063 |
| Mythical Creatures Quiz #1 | 0 | - | 4.92 | 704,084 |
| First Names of Painters | 0 | - | 4.43 | 59,582 |
| History by Picture - I | 0 | - | 4.26 | 25,985 |
| History by Picture - J | 0 | - | 4.18 | 26,504 |
| History by Picture - L | 0 | - | 4.18 | 30,538 |
| History by Picture - P | 0 | - | 4.08 | 25,089 |
| History by Picture - Q | 0 | - | 4.03 | 21,900 |
| History by Picture - R | 0 | - | 4.13 | 26,612 |
| History by Picture - S | 0 | - | 4.14 | 27,562 |
| History by Picture - U | 0 | - | 4.24 | 24,913 |
| History by Picture - V | 0 | - | 4.30 | 24,883 |
| History by Picture - W | 0 | - | 4.01 | 21,477 |
| Years in History #1 - Multiple Choice | 0 | - | 4.85 | 69,623 |
| German History A-Z | 0 | - | 4.49 | 24,194 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,965 |
| Countries by Road Signs | 0 | - | 4.98 | 53,033 |
| Oscar Nominated Actresses by Picture #1 | 0 | - | 4.30 | 128,947 |
| Oscar Nominated Actors by Picture #2 | 0 | - | 4.29 | 46,052 |
| Oscar Nominated Actresses by Picture #2 | 0 | - | 4.35 | 48,208 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,975 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,184 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,881 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,289 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,256 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,178 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,408 |
| Influential Women in History | 0 | - | 4.42 | 34,913 |
| Cradles of Civilization | 0 | - | 4.46 | 38,975 |
| History of The Netherlands | 0 | - | 4.46 | 17,302 |
| Materials From History #1 | 0 | - | 4.56 | 50,532 |
| World Leaders Quiz #2 | 0 | - | 4.00 | 35,638 |
| UN Secretaries-General | 0 | - | 4.40 | 7,756 |
| Benevolent Dictators and Enlightened Despots | 0 | - | 4.01 | 19,535 |
| Biggest Nations and Empires Ever | 0 | - | 4.46 | 145,085 |
| Famous Explorers | 0 | - | 4.58 | 35,921 |
| Famous Empires by Description | 0 | - | 4.70 | 117,481 |
| Answers by Time Period | 0 | - | 4.63 | 55,235 |
| Flags with Crescents | 0 | - | 4.98 | 167,375 |
| Country Flag Trivia | 0 | - | 4.81 | 55,821 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,286 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,378 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,793 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,378 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,958 |
| National Football Team Logos | 0 | - | 4.84 | 178,490 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,642 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,879 |
| Countries with NO Military | 0 | - | 4.97 | 61,105 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,638 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,864 |
| NATO Countries | 0 | - | 4.98 | 275,325 |
| EU Countries Quiz | 0 | - | 4.99 | 269,607 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,883 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,467 |
| Books of the Protestant Bible | 0 | - | 4.89 | 206,966 |
| The Bible A-Z | 0 | - | 4.29 | 59,197 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,156 |
| Colors by Letter | 0 | - | 4.25 | 161,996 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,897 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,160 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,404 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,846 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,223 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,440 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,116 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,893 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,273 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,658 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,960 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,476 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,460 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 49,971 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,482 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,462 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,402 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,513 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,062 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,639 |
| European Geography A-Z | 0 | - | 4.28 | 48,972 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,154 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,158 |
| Materials From History #2 | 0 | - | 4.59 | 30,897 |
| The Dictator Files: Adolf Hitler | 0 | - | 4.79 | 77,268 |
| WWII First Names | 0 | - | 4.44 | 41,540 |
| WWII Decoder | 0 | - | 4.41 | 53,013 |
| Name a Valid Answer - World War II | 0 | - | 4.53 | 54,710 |
| WWII for Dummies | 0 | - | 4.80 | 103,737 |
| Cold War Decoder | 0 | - | 4.83 | 51,896 |
| 20th Century Dates Quiz | 0 | - | 4.56 | 39,302 |
