| Asia Capitals Quiz | 0 | - | 4.98 | 685,302 |
| Asia Capital to Country | 0 | - | 4.96 | 125,682 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,048 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,160 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,125 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,399 |
| Capitals of the Stans | 0 | - | 4.95 | 26,384 |
| Name a City - European Countries | 0 | - | 4.92 | 64,320 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,789 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,315 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,354 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,787 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,588 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,297 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,724 |
| Former Capitals | 0 | - | 4.88 | 71,114 |
| Europe Capital to Country | 0 | - | 4.99 | 247,403 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,369 |
| European Capitals by Map | 0 | - | 4.99 | 136,098 |
| African Capitals by Map | 0 | - | 4.99 | 132,095 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,111 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,559 |
| European Coastal Capitals | 0 | - | 4.95 | 89,692 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,564 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,648 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,397 |
| Cities in European History #1 | 0 | - | 4.63 | 133,042 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,462 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,021 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,894 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,941 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,789 |
| Official Cities in the UK | 0 | - | 4.89 | 280,343 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,750 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,712 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,602 |
| 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 | 81,667 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,732 |
| Modern Day Countries of the Mughal Empire on a Map | 0 | - | 4.42 | 33,202 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,140 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,783 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,209 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,645 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,012 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,341 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,355 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,751 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,633 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,372 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,166 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,983 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,203 |
| Random European Capital to Country | 0 | - | 4.98 | 189,122 |
| Random European Country to Capital | 0 | - | 4.92 | 147,379 |
| Random African Capital to Country | 0 | - | 4.97 | 99,696 |
| Random African Country to Capital | 0 | - | 4.94 | 70,170 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,703 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,234 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,632 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,386 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,671 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,833 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,810 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,992 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,870 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,608 |
| 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 | 155,319 |
| Countries by Capital City | 0 | - | 5.00 | 66,544 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,270 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,855 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,160 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,372 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,026 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,780 |
| Moved Capital Cities | 0 | - | 4.96 | 73,546 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,803 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,227 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,773 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,471 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,852 |
| Which City in Europe? | 0 | - | 4.83 | 106,581 |
| Hindu Countries | 0 | - | 4.85 | 49,504 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,371 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,166 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,682 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,061 |
| North American Sports Cities | 0 | - | 4.83 | 170,818 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,902 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,674 |
| Name a Valid World City | 0 | - | 4.83 | 70,059 |
| Cities by Former Name | 0 | - | 4.84 | 90,915 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,661 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,216 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,854 |
| World Capitals by Map | 0 | - | 5.00 | 283,007 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,622 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,108 |
| Random Country to Capital | 0 | - | 4.98 | 911,065 |
| Capitals Starting With H | 0 | - | 4.90 | 90,346 |
| Capitals Starting With K | 0 | - | 4.85 | 75,624 |
| Capitals Starting With L | 0 | - | 4.81 | 86,753 |
| Capitals Starting With M | 0 | - | 4.93 | 105,951 |
| 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 | 75,238 |
| Capitals Starting With W | 0 | - | 4.89 | 90,553 |
| 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 | 95,301 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,268 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,735 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,184 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,552 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,796 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,275 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,007 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 40,539 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,148 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,138 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,305 |
| Which City in Canada? | 0 | - | 4.82 | 56,631 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,601 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,874 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,123 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,339 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,497 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 76,662 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,221 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,206 |
| 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 | 96,149 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,453 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,286 |
| North America Cities by Map | 0 | - | 4.41 | 47,601 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,135 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,985 |
| Random European City to Country | 0 | - | 4.69 | 116,271 |
| Random Asian City to Country | 0 | - | 4.56 | 44,383 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,602 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,295 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,062 |
| Capital Cities Chain | 0 | - | 4.84 | 81,866 |
| Coldest World Capitals | 0 | - | 4.95 | 133,015 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,733 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,941 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 64,770 |
| US States and State Capitals | 0 | - | 4.99 | 158,277 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,250 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,815 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,754 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,914 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,202 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,533 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,537 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,138 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,077 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,562 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,014 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,690 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,314 |
| 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 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,570 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,164 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,072 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,601 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,186 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,780 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,452 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,072 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,809 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,272 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,324 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,139 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,738 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,676 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,837 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,890 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,431 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,201 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,019 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,134 |
| The Only Country ... | 0 | - | 4.91 | 79,794 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,834 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,659 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,513 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,202 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 219,965 |
| Ancient City to Country | 0 | - | 4.70 | 107,585 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,808 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,531 |
| City-States | 0 | - | 4.53 | 37,084 |
