| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,216 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 127,018 |
| Europe Capital to Country | 0 | - | 4.99 | 252,522 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,245 |
| European Capitals by Map | 0 | - | 4.99 | 142,465 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,095 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,362 |
| European Coastal Capitals | 0 | - | 4.95 | 91,473 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,162 |
| Official Cities in the UK | 0 | - | 4.89 | 286,806 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,710 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,293 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,652 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,807 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,100 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,745 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,930 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,676 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,337 |
| Cities in European History #1 | 0 | - | 4.63 | 134,723 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,509 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,928 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,161 |
| Random European Capital to Country | 0 | - | 4.98 | 192,328 |
| Random European Country to Capital | 0 | - | 4.93 | 166,068 |
| Name a City - European Countries | 0 | - | 4.89 | 66,363 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,940 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,845 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,555 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,538 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,568 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,658 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,315 |
| Former Capitals | 0 | - | 4.88 | 71,722 |
| Asia Capital to Country | 0 | - | 4.96 | 127,679 |
| African Capitals by Map | 0 | - | 4.99 | 142,554 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,553 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,100 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,261 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,214 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,234 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,877 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,705 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,890 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,610 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,353 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,478 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,054 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,295 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,236 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,377 |
| World Capitals Quiz | 0 | - | 5.00 | 5,112,913 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,771 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,080 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,619 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,687 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,572 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,706 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,282 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,177 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,585 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,659 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,086 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,005 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,574 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,200 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,531 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,619 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,314 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,432 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,084 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,549 |
| Random African Capital to Country | 0 | - | 4.97 | 101,460 |
| Random African Country to Capital | 0 | - | 4.94 | 71,878 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,824 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,373 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,478 |
| Which City in Europe? | 0 | - | 4.83 | 107,986 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,578 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,392 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,962 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,602 |
| Byzantine History | 0 | - | 4.91 | 29,040 |
| Byzantine Emperors | 0 | - | 4.93 | 14,652 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,659 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,056 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,493 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,899 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,539 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,075 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,331 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,415 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,358 |
| Countries by Capital City | 0 | - | 5.00 | 69,599 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,122 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,344 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,369 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,943 |
| Moved Capital Cities | 0 | - | 4.96 | 74,726 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,466 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,342 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,973 |
| Which City in Canada? | 0 | - | 4.83 | 57,401 |
| Boroughs of London | 0 | - | 4.63 | 88,674 |
| London Geography | 0 | - | 4.47 | 59,911 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,430 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,523 |
| Countries of the German Empire | 0 | - | 4.51 | 38,300 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,964 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,901 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 52,021 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,150 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,302 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,562 |
| North American Sports Cities | 0 | - | 4.82 | 173,281 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,596 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,477 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,916 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,963 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,240 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,913 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,042 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,599 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,822 |
| Cities by Former Name | 0 | - | 4.83 | 92,171 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,976 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,035 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,956 |
| World Capitals by Map | 0 | - | 5.00 | 289,882 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,917 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,903 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,965 |
| Random Country to Capital | 0 | - | 4.98 | 929,823 |
| Capitals Starting With H | 0 | - | 4.91 | 93,435 |
| Capitals Starting With K | 0 | - | 4.88 | 84,499 |
| Capitals Starting With L | 0 | - | 4.81 | 96,073 |
| Capitals Starting With M | 0 | - | 4.94 | 109,349 |
| Capitals Starting With P | 0 | - | 4.88 | 79,115 |
| Capitals Starting With R | 0 | - | 4.88 | 82,598 |
| Capitals Starting With S | 0 | - | 4.90 | 86,684 |
| Capitals Starting With T | 0 | - | 4.86 | 76,933 |
| Capitals Starting With W | 0 | - | 4.87 | 91,787 |
| Capitals Starting With A | 0 | - | 4.97 | 129,258 |
| Capitals Starting With B | 0 | - | 4.89 | 119,630 |
| Capitals Starting With D | 0 | - | 4.94 | 97,306 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,854 |
| US States and State Capitals | 0 | - | 4.99 | 165,913 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,672 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,681 |
| Tolkien's Middle Earth Map Quiz | 0 | - | 4.92 | 38,277 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,590 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,422 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,257 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,074 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,965 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,109 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,481 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,235 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,298 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,001 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,601 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,275 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,569 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,918 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,857 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,350 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,649 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,717 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,826 |
| South American Cities on the Map | 0 | - | 4.52 | 35,574 |
| North America Cities by Map | 0 | - | 4.41 | 47,972 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,966 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,048 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,746 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,280 |
| Random European City to Country | 0 | - | 4.69 | 118,533 |
| Random Asian City to Country | 0 | - | 4.56 | 44,637 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,802 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,464 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,166 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,684 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,344 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,967 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,927 |
| Capital Cities Chain | 0 | - | 4.84 | 83,505 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,716 |
| Coldest World Capitals | 0 | - | 4.95 | 134,270 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,897 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,476 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,541 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,241 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,004 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,857 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,676 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,092 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,077 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,702 |
| The Only Country ... | 0 | - | 4.91 | 82,029 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,594 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,916 |
