| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,485 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 126,100 |
| Europe Capital to Country | 0 | - | 4.99 | 250,685 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,097 |
| European Capitals by Map | 0 | - | 4.99 | 139,724 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,230 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,559 |
| European Coastal Capitals | 0 | - | 4.95 | 90,744 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,370 |
| Official Cities in the UK | 0 | - | 4.89 | 284,276 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,150 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,445 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,251 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,365 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,305 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,854 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,597 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,255 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,665 |
| Cities in European History #1 | 0 | - | 4.63 | 134,137 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,423 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,568 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,746 |
| Random European Capital to Country | 0 | - | 4.98 | 191,109 |
| Random European Country to Capital | 0 | - | 4.93 | 165,313 |
| Name a City - European Countries | 0 | - | 4.90 | 65,535 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,975 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,151 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,866 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,233 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,249 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,865 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,302 |
| Former Capitals | 0 | - | 4.88 | 71,500 |
| Asia Capital to Country | 0 | - | 4.96 | 126,776 |
| African Capitals by Map | 0 | - | 4.99 | 134,068 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,158 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,574 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,640 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,532 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,894 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,372 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,493 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,194 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,346 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,628 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,959 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,505 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,661 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,087 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,933 |
| World Capitals Quiz | 0 | - | 5.00 | 5,080,541 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,199 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,171 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,605 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,754 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,907 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,563 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,720 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,204 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,929 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,476 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,486 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,379 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,666 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,028 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,371 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,268 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,905 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,045 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,555 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,887 |
| Random African Capital to Country | 0 | - | 4.97 | 100,820 |
| Random African Country to Capital | 0 | - | 4.94 | 71,338 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,257 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,167 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,453 |
| Which City in Europe? | 0 | - | 4.83 | 107,505 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,596 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,209 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,984 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,554 |
| Byzantine History | 0 | - | 4.91 | 28,902 |
| Byzantine Emperors | 0 | - | 4.92 | 14,306 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,398 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,961 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,367 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,851 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,454 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,502 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,619 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,401 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,214 |
| Countries by Capital City | 0 | - | 5.00 | 68,518 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,297 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,764 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,878 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,338 |
| Moved Capital Cities | 0 | - | 4.96 | 74,294 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,424 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,783 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,175 |
| Which City in Canada? | 0 | - | 4.83 | 57,119 |
| Boroughs of London | 0 | - | 4.63 | 88,029 |
| London Geography | 0 | - | 4.47 | 59,709 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,966 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,662 |
| Countries of the German Empire | 0 | - | 4.51 | 37,988 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,423 |
| Flags of Countries That Border France | 0 | - | 4.88 | 123,314 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 51,796 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,019 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,533 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,006 |
| North American Sports Cities | 0 | - | 4.83 | 172,557 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,371 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,370 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,781 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,895 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,144 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,447 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,495 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,945 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,605 |
| Cities by Former Name | 0 | - | 4.83 | 91,654 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,453 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,724 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,333 |
| World Capitals by Map | 0 | - | 5.00 | 287,188 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,416 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,497 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,401 |
| Random Country to Capital | 0 | - | 4.98 | 921,983 |
| Capitals Starting With H | 0 | - | 4.91 | 92,673 |
| Capitals Starting With K | 0 | - | 4.88 | 83,714 |
| Capitals Starting With L | 0 | - | 4.81 | 88,198 |
| Capitals Starting With M | 0 | - | 4.93 | 107,989 |
| Capitals Starting With P | 0 | - | 4.88 | 78,305 |
| Capitals Starting With R | 0 | - | 4.87 | 81,940 |
| Capitals Starting With S | 0 | - | 4.90 | 85,906 |
| Capitals Starting With T | 0 | - | 4.85 | 76,261 |
| Capitals Starting With W | 0 | - | 4.87 | 91,369 |
| Capitals Starting With A | 0 | - | 4.97 | 128,216 |
| Capitals Starting With B | 0 | - | 4.89 | 118,654 |
| Capitals Starting With D | 0 | - | 4.93 | 96,574 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,166 |
| US States and State Capitals | 0 | - | 4.99 | 163,162 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,327 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,736 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,802 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,096 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,555 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,277 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,534 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,441 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,108 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,682 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,384 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,433 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,275 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,867 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,307 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,610 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,369 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,872 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,391 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,605 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,599 |
| South American Cities on the Map | 0 | - | 4.53 | 35,449 |
| North America Cities by Map | 0 | - | 4.41 | 47,829 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,752 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,106 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,362 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,996 |
| Random European City to Country | 0 | - | 4.69 | 117,813 |
| Random Asian City to Country | 0 | - | 4.56 | 44,554 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,021 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,913 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,895 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,898 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,136 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,336 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,578 |
| Capital Cities Chain | 0 | - | 4.83 | 82,878 |
| Coldest World Capitals | 0 | - | 4.95 | 133,626 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,710 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,583 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,223 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,696 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,549 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,486 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,174 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,799 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,708 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,042 |
| The Only Country ... | 0 | - | 4.91 | 81,312 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,133 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,767 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 80,823 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,003 |
