| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 124,644 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,280 |
| Europe Capital to Country | 0 | - | 4.99 | 247,405 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,374 |
| European Capitals by Map | 0 | - | 4.99 | 136,102 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,111 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,560 |
| European Coastal Capitals | 0 | - | 4.95 | 89,695 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,648 |
| Official Cities in the UK | 0 | - | 4.89 | 280,346 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,367 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,057 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,668 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,732 |
| Cities in European History #1 | 0 | - | 4.63 | 133,043 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,141 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,785 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,751 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,633 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,517 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,166 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,983 |
| Random European Capital to Country | 0 | - | 4.98 | 189,125 |
| Random European Country to Capital | 0 | - | 4.92 | 147,381 |
| Name a City - European Countries | 0 | - | 4.92 | 64,323 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,799 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,323 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,773 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,706 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,878 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,297 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,725 |
| Former Capitals | 0 | - | 4.88 | 71,114 |
| Asia Capital to Country | 0 | - | 4.96 | 125,682 |
| African Capitals by Map | 0 | - | 4.99 | 132,095 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,049 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,160 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,566 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,397 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,255 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,486 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,818 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,275 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,022 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,718 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,607 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,125 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,399 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,306 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,333 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,214 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,648 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,751 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,502 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,343 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,710 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,629 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,281 |
| Capitals of the Stans | 0 | - | 4.95 | 26,384 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,314 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,851 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,164 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,602 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,044 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,374 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,139 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,738 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,317 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,355 |
| Random African Capital to Country | 0 | - | 4.97 | 99,698 |
| Random African Country to Capital | 0 | - | 4.94 | 70,171 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,703 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,222 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,808 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,814 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,995 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,166 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,787 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,227 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,589 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,472 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,270 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,858 |
| Which City in Europe? | 0 | - | 4.83 | 106,582 |
| Boroughs of London | 0 | - | 4.63 | 87,004 |
| London Geography | 0 | - | 4.47 | 59,442 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,136 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,464 |
| Countries of the German Empire | 0 | - | 4.51 | 37,644 |
| Countries "Ruled" by King Charles III | 0 | - | 4.77 | 82,590 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,419 |
| Byzantine History | 0 | - | 4.91 | 28,598 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,062 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,567 |
| North American Sports Cities | 0 | - | 4.83 | 170,820 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,902 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,671 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,775 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 40,659 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,675 |
| Name a Valid World City | 0 | - | 4.83 | 70,060 |
| Cities by Former Name | 0 | - | 4.84 | 90,916 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,662 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,872 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,609 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,217 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,557 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,533 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,320 |
| Countries by Capital City | 0 | - | 5.00 | 66,544 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,271 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,855 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,372 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,855 |
| Moved Capital Cities | 0 | - | 4.96 | 73,546 |
| World Capitals by Map | 0 | - | 5.00 | 283,008 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,624 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,133 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,187 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,351 |
| Random Country to Capital | 0 | - | 4.98 | 911,076 |
| Capitals Starting With H | 0 | - | 4.90 | 90,368 |
| Capitals Starting With K | 0 | - | 4.85 | 75,625 |
| Capitals Starting With L | 0 | - | 4.81 | 86,754 |
| Capitals Starting With M | 0 | - | 4.93 | 105,953 |
| Capitals Starting With P | 0 | - | 4.88 | 77,123 |
| Capitals Starting With R | 0 | - | 4.87 | 80,913 |
| Capitals Starting With S | 0 | - | 4.89 | 84,738 |
| Capitals Starting With T | 0 | - | 4.84 | 75,239 |
| Capitals Starting With W | 0 | - | 4.89 | 90,555 |
| Capitals Starting With A | 0 | - | 4.97 | 126,456 |
| Capitals Starting With B | 0 | - | 4.89 | 117,208 |
| Capitals Starting With D | 0 | - | 4.93 | 95,303 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,139 |
| US States and State Capitals | 0 | - | 4.99 | 158,283 |
| Which City in Canada? | 0 | - | 4.82 | 56,632 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,409 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,326 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,098 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,839 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.91 | 37,075 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,126 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,340 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,527 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,843 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,815 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,223 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,207 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,555 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,522 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,754 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,150 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,453 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,287 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,185 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,552 |
| North America Cities by Map | 0 | - | 4.41 | 47,602 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,796 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,007 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,137 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,989 |
| Random European City to Country | 0 | - | 4.69 | 116,272 |
| Random Asian City to Country | 0 | - | 4.56 | 44,383 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,603 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,149 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,295 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,298 |
| Capital Cities Chain | 0 | - | 4.84 | 81,866 |
| Coldest World Capitals | 0 | - | 4.95 | 133,015 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,734 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,941 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,134 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,835 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,760 |
| Countries of the Italian Empire | 0 | - | 4.21 | 27,532 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,202 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,026 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,895 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,756 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,941 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,791 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,915 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,371 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,726 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,538 |
| British Places A-Z | 0 | - | 4.29 | 79,586 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,690 |
| South American Cities on the Map | 0 | - | 4.57 | 35,238 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,577 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,645 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,631 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,571 |
| Random U.S. City to State | 0 | - | 4.45 | 75,261 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,073 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,188 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,780 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,453 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,065 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,157 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,072 |
