| 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 | 127,020 |
| Europe Capital to Country | 0 | - | 4.99 | 252,527 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,250 |
| European Capitals by Map | 0 | - | 4.99 | 142,480 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,100 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,366 |
| European Coastal Capitals | 0 | - | 4.95 | 91,476 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,166 |
| Official Cities in the UK | 0 | - | 4.89 | 286,813 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,710 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,299 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,652 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,808 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,102 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,751 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,941 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,677 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.89 | 114,345 |
| Cities in European History #1 | 0 | - | 4.63 | 134,723 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,510 |
| 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 | 192,331 |
| Random European Country to Capital | 0 | - | 4.93 | 166,070 |
| Name a City - European Countries | 0 | - | 4.89 | 66,366 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,942 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,874 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,557 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,538 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,574 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,660 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,323 |
| Former Capitals | 0 | - | 4.88 | 71,722 |
| Asia Capital to Country | 0 | - | 4.96 | 127,680 |
| African Capitals by Map | 0 | - | 4.99 | 142,555 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,553 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,102 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,261 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,219 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,235 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,878 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,708 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,892 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,613 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,354 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,479 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,055 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,313 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,240 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,385 |
| World Capitals Quiz | 0 | - | 5.00 | 5,112,993 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,776 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,083 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,621 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,690 |
| 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 | 1,700,297 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,179 |
| 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 | 1,602,031 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,576 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,201 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,532 |
| 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 | 101,465 |
| Random African Country to Capital | 0 | - | 4.94 | 71,878 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,825 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,374 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,482 |
| Which City in Europe? | 0 | - | 4.83 | 107,989 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,583 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,393 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,965 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,605 |
| 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 | 97,660 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,057 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,494 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,899 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,539 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,076 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,333 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,417 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,358 |
| Countries by Capital City | 0 | - | 5.00 | 69,603 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,124 |
| 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 | 84,946 |
| 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 | 102,432 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,525 |
| Countries of the German Empire | 0 | - | 4.51 | 38,301 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,965 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,904 |
| Countries Most-Visited By Queen Elizabeth II | 0 | - | 4.42 | 52,021 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,151 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,307 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,563 |
| North American Sports Cities | 0 | - | 4.82 | 173,284 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,597 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,479 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,917 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,964 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,240 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,915 |
| 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 | 39,823 |
| Cities by Former Name | 0 | - | 4.83 | 92,171 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,977 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,036 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,957 |
| World Capitals by Map | 0 | - | 5.00 | 289,888 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,918 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,923 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,965 |
| Random Country to Capital | 0 | - | 4.98 | 929,834 |
| Capitals Starting With H | 0 | - | 4.91 | 93,436 |
| Capitals Starting With K | 0 | - | 4.88 | 84,501 |
| Capitals Starting With L | 0 | - | 4.81 | 96,075 |
| Capitals Starting With M | 0 | - | 4.94 | 109,351 |
| Capitals Starting With P | 0 | - | 4.88 | 79,116 |
| Capitals Starting With R | 0 | - | 4.88 | 82,599 |
| Capitals Starting With S | 0 | - | 4.90 | 86,685 |
| Capitals Starting With T | 0 | - | 4.86 | 76,934 |
| Capitals Starting With W | 0 | - | 4.87 | 91,788 |
| Capitals Starting With A | 0 | - | 4.97 | 129,259 |
| Capitals Starting With B | 0 | - | 4.89 | 119,633 |
| Capitals Starting With D | 0 | - | 4.94 | 97,307 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,855 |
| US States and State Capitals | 0 | - | 4.99 | 165,917 |
| 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 | 38,280 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,592 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,424 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,260 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,077 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,965 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,112 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,482 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,235 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,301 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,002 |
| 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 | 67,570 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,919 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,858 |
| 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 | 36,718 |
| 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 | 151,967 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,050 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,749 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,280 |
| Random European City to Country | 0 | - | 4.69 | 118,534 |
| Random Asian City to Country | 0 | - | 4.56 | 44,637 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,804 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,466 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,166 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,685 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,345 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,968 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,927 |
| Capital Cities Chain | 0 | - | 4.84 | 83,509 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,720 |
| Coldest World Capitals | 0 | - | 4.95 | 134,271 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,898 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,480 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,542 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,242 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,005 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,858 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,677 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,096 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,078 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,702 |
| The Only Country ... | 0 | - | 4.91 | 82,031 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,595 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,916 |
