| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,617,336 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 152,559 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 75,260 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 35,296 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 108,427 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 325,829 |
| Biggest Cities in Asia | 0 | - | 4.94 | 103,817 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,245 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,958 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 142,116 |
| Random U.S. States on a Map | 0 | - | 4.96 | 585,643 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 212,932 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 41,652 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 128,972 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 111,200 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 107,572 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.83 | 57,897 |
| World Capitals Quiz | 0 | - | 5.00 | 4,809,020 |
| Random European Capital to Country | 0 | - | 4.97 | 182,023 |
| Random European Country to Capital | 0 | - | 4.93 | 142,441 |
| Random Asian Country to Capital | 0 | - | 4.91 | 91,049 |
| Random Asian Capital to Country | 0 | - | 4.97 | 96,262 |
| Random African Capital to Country | 0 | - | 4.97 | 86,095 |
| Random African Country to Capital | 0 | - | 4.94 | 66,659 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 126,027 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 53,853 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,942 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 80,312 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,485 |
| Biggest "Saint" Cities - United States | 0 | - | 4.45 | 35,651 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,145 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 51,168 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 34,049 |
| Biggest Cities in Germany | 0 | - | 4.95 | 280,075 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.84 | 84,287 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,517 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 88,852 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 44,631 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,491,662 |
| Biggest Cities in the World | 0 | - | 4.91 | 748,652 |
| Biggest Cities in Europe | 0 | - | 4.74 | 517,961 |
| Biggest English Cities by Century | 0 | - | 4.89 | 103,299 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.43 | 70,959 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 397,742 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,505 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,587 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,276 |
| Biggest Cities in the United States | 0 | - | 4.94 | 911,198 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 351,860 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,057 |
| Global Cities on a World Map | 0 | - | 4.94 | 97,458 |
| Africa Capitals Quiz | 0 | - | 4.99 | 691,184 |
| Asia Capitals Quiz | 0 | - | 4.97 | 649,958 |
| Northernmost Capital Cities | 0 | - | 4.98 | 102,379 |
| Most Remote Capital Cities | 0 | - | 4.90 | 48,717 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 39,982 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 100,563 |
| Same Letter Country and Capital | 0 | - | 4.99 | 138,486 |
| Countries by Capital City | 0 | - | 5.00 | 59,006 |
| Capital Cities Based on First Two Letters | 0 | - | 4.86 | 71,735 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 110,059 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 79,188 |
| Moved Capital Cities | 0 | - | 4.95 | 70,641 |
| Random Capital to Country | 0 | - | 4.99 | 2,496,177 |
| Random Country to Capital | 0 | - | 4.98 | 864,849 |
| Random American Countries on a Map | 0 | - | 4.96 | 92,976 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 122,745 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 114,799 |
| Biggest Cities by Language | 0 | - | 4.95 | 223,747 |
| Biggest City by Time Zone | 0 | - | 4.86 | 61,424 |
| Biggest City in Every Country | 0 | - | 4.98 | 89,813 |
| Largest City by Island | 0 | - | 4.89 | 66,644 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,743 |
| Most Populous World Capitals | 0 | - | 4.93 | 169,352 |
| Biggest European Cities by Century | 0 | - | 4.98 | 125,244 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 36,054 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 188,457 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 101,845 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 110,231 |
| Megacities on a World Map | 0 | - | 4.98 | 232,736 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 72,989 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 78,826 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 549,534 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 64,071 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 69,560 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 72,741 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.75 | 71,505 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,400 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 89,168 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 65,236 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,575 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,006 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 61,961 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 99,736 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 119,580 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 34,632 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 160,372 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,858 |
| Summer Olympic City Bids | 0 | - | 4.92 | 39,538 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.90 | 92,968 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 103,067 |
| Most Guessed Cities by Country #3 | 0 | - | 4.88 | 40,944 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 202,499 |
| Most-Visited Cities in Europe | 0 | - | 4.89 | 66,634 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 124,478 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 97,489 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 109,730 |
| Name a City - European Countries | 0 | - | 4.93 | 59,343 |
| Cities by Former Name | 0 | - | 4.85 | 87,909 |
| Former Capitals Quiz | 0 | - | 4.87 | 69,321 |
| Capitals in their Native Languages | 0 | - | 4.94 | 130,240 |
| Europe Capital to Country | 0 | - | 4.99 | 236,206 |
| Asia Capital to Country | 0 | - | 4.95 | 121,159 |
| Nearest Capital City #1 | 0 | - | 4.83 | 54,928 |
| Capital Cities Chain | 0 | - | 4.88 | 77,185 |
| EU Capitals with No Hints | 0 | - | 4.96 | 136,512 |
| European Capitals by Map | 0 | - | 4.99 | 122,782 |
| African Capitals by Map | 0 | - | 4.99 | 123,492 |
| World Capitals by Proximity | 0 | - | 4.89 | 314,426 |
| Coldest World Capitals | 0 | - | 4.96 | 131,002 |
| Asian Capitals by Map | 0 | - | 4.98 | 55,425 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 86,194 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 79,084 |
| European Coastal Capitals | 0 | - | 4.95 | 84,448 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 50,047 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 250,900 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 210,468 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 51,480 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 79,289 |
| World Capitals by Map | 0 | - | 5.00 | 266,091 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.96 | 54,189 |
| Capital Cities with Spanish Names | 0 | - | 4.84 | 65,692 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 85,213 |
| World Capitals By Letter - H | 0 | - | 4.86 | 75,179 |
| World Capitals By Letter - K | 0 | - | 4.83 | 69,769 |
| World Capitals By Letter - M | 0 | - | 4.88 | 91,147 |
| World Capitals By Letter - P | 0 | - | 4.85 | 71,155 |
| World Capitals By Letter - R | 0 | - | 4.85 | 75,901 |
| World Capitals By Letter - S | 0 | - | 4.89 | 78,634 |
| World Capitals By Letter - T | 0 | - | 4.81 | 70,058 |
| World Capitals By Letter - W | 0 | - | 4.88 | 85,940 |
| World Capitals By Letter - A | 0 | - | 4.96 | 111,197 |
| World Capitals By Letter - B | 0 | - | 4.85 | 102,475 |
| World Capitals By Letter - D | 0 | - | 4.91 | 83,476 |
| Name a Valid U.S. President #1 | 0 | - | 4.90 | 180,809 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 161,900 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 62,987 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 123,168 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.55 | 64,481 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 81,676 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 66,598 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,963 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,161 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 39,578 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.26 | 106,362 |
| Megacities on an Empty Map | 0 | - | 4.95 | 93,234 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 30,852 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,774 |
| Biggest Cities in California | 0 | - | 4.34 | 136,010 |
| Biggest Cities in Florida | 0 | - | 4.22 | 70,128 |
| Biggest Cities in New York State | 0 | - | 4.31 | 58,041 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 44,299 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,559 |
| Biggest Cities in Texas | 0 | - | 4.27 | 116,130 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,440 |
| Official Cities in the UK | 0 | - | 4.89 | 260,849 |
| British Cities with the Most Tourists | 0 | - | 4.81 | 63,572 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 44,777 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 129,366 |
| Most-Visited U.S. Cities | 0 | - | 4.88 | 83,859 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 32,920 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 70,531 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.84 | 30,928 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 83,957 |
| South America Capitals Quiz | 0 | - | 5.00 | 456,543 |
| North America Capitals Quiz | 0 | - | 4.99 | 203,216 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 57,676 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 89,714 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 113,078 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 83,130 |
| Capital Cities by Body of Water | 0 | - | 4.88 | 55,897 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 117,904 |
| European Capitals Furthest from the Sea | 0 | - | 4.90 | 70,641 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 92,355 |
| Asian Capitals - Map Quiz | 0 | - | 4.94 | 56,985 |
| Flags to Capitals #1 | 0 | - | 4.96 | 54,034 |
| Flags to Capitals #2 | 0 | - | 4.95 | 40,925 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.89 | 124,308 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.85 | 90,392 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 218,101 |
| Random World Capitals on a Map | 0 | - | 4.92 | 125,666 |
| Name a Valid European Capital | 0 | - | 4.95 | 143,212 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.90 | 74,537 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 85,061 |
| European Capital Superlatives - Top 2 | 0 | - | 4.92 | 65,500 |
| European Capitals Ending in N | 0 | - | 4.92 | 78,027 |
| The Only Country ... | 0 | - | 4.89 | 54,187 |
| Vietnam War Countries | 0 | - | 4.81 | 90,374 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 7,785,142 |
| U.S. Senators by State | 0 | - | 4.46 | 38,475 |
