| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,525,664 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,095 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 193,240 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,545 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,381 |
| 500 Biggest US Cities | 0 | - | 4.87 | 97,809 |
| World Capitals Quiz | 0 | - | 5.00 | 4,490,124 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 28,952 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,380,003 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,875 |
| North American Sports Cities | 0 | - | 4.79 | 159,657 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 94,049 |
| Global Cities on a World Map | 0 | - | 4.92 | 91,292 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.88 | 91,231 |
| Cities by Former Name | 0 | - | 4.86 | 71,235 |
| Africa Capitals Quiz | 0 | - | 4.99 | 633,290 |
| Asia Capitals Quiz | 0 | - | 4.98 | 592,729 |
| Capitals in their Native Languages | 0 | - | 4.95 | 127,476 |
| Northernmost Capital Cities | 0 | - | 4.98 | 93,848 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,600 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,394 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 34,245 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 90,591 |
| Same Letter Country and Capital | 0 | - | 4.99 | 126,968 |
| Countries by Capital City | 0 | - | 4.99 | 49,174 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,789 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 104,918 |
| World Capitals by Proximity | 0 | - | 4.88 | 298,648 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,809 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 48,777 |
| Moved Capital Cities | 0 | - | 4.94 | 52,193 |
| World Capitals by Map | 0 | - | 5.00 | 241,016 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,202 |
| Random Capital to Country | 0 | - | 4.99 | 2,357,203 |
| Random Country to Capital | 0 | - | 4.98 | 800,979 |
| World Capitals By Letter - H | 0 | - | 4.84 | 71,093 |
| World Capitals By Letter - K | 0 | - | 4.81 | 65,766 |
| World Capitals By Letter - M | 0 | - | 4.90 | 85,783 |
| World Capitals By Letter - P | 0 | - | 4.85 | 66,935 |
| World Capitals By Letter - R | 0 | - | 4.87 | 72,163 |
| World Capitals By Letter - S | 0 | - | 4.89 | 74,363 |
| World Capitals By Letter - T | 0 | - | 4.81 | 66,298 |
| World Capitals By Letter - W | 0 | - | 4.88 | 82,125 |
| World Capitals By Letter - A | 0 | - | 4.96 | 104,383 |
| World Capitals By Letter - B | 0 | - | 4.84 | 96,661 |
| World Capitals By Letter - D | 0 | - | 4.91 | 78,815 |
| US States and State Capitals Quiz | 0 | - | 5.00 | 119,154 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,726 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,365 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,619 |
| Official Cities in the UK | 0 | - | 4.87 | 231,821 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 89,654 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 79,694 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 56,379 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 118,380 |
| Divided World City Name Puzzle #1 | 0 | - | 4.91 | 39,744 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 104,444 |
| Former Capitals Quiz | 0 | - | 4.81 | 57,984 |
| Capitals A-Z | 0 | - | 4.84 | 41,733 |
| Europe Capital to Country | 0 | - | 4.99 | 219,556 |
| Asia Capital to Country | 0 | - | 4.96 | 105,562 |
| Capital Cities Chain | 0 | - | 4.86 | 71,327 |
| EU Capitals with No Hints | 0 | - | 4.96 | 124,178 |
| European Capitals by Map | 0 | - | 4.99 | 92,942 |
| African Capitals by Map | 0 | - | 4.99 | 110,087 |
| South America Capitals Quiz | 0 | - | 5.00 | 418,844 |
| North America Capitals Quiz | 0 | - | 4.99 | 185,681 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 52,028 |
| Coldest World Capitals | 0 | - | 4.96 | 127,960 |
| Asian Capitals by Map | 0 | - | 4.98 | 46,736 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 84,123 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 105,020 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 78,684 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 77,808 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 71,881 |
| European Coastal Capitals | 0 | - | 4.95 | 76,987 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,234 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 46,521 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 227,770 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.90 | 89,458 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 193,274 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 75,999 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 66,832 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 88,280 |
| Capital Cities with Spanish Names | 0 | - | 4.85 | 62,870 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 51,036 |
| Flags to Capitals #1 | 0 | - | 4.97 | 48,871 |
| Flags to Capitals #2 | 0 | - | 4.95 | 36,618 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 84,932 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.90 | 206,696 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 78,509 |
| European Capitals Ending in N | 0 | - | 4.91 | 73,844 |
| The Only Country ... | 0 | - | 4.88 | 45,916 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,520 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 43,881 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 198,966 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,138 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 91,749 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 55,878 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,761 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,291 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,949 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 303,622 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,311 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,248 |
| City by Football Clubs | 0 | - | 4.40 | 129,340 |
| Most Guessed Cities by Country #3 | 0 | - | 4.86 | 19,578 |
| Winter Olympics Hosts Quiz | 0 | - | 4.37 | 72,701 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 92,955 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,286 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,582 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,532 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 115,736 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,087 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,405 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,566 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 114,490 |
| Random World Capitals on a Map | 0 | - | 4.92 | 113,781 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 66,277 |
| Name a Valid European Capital | 0 | - | 4.92 | 105,483 |
| Name a World Capital A-Z | 0 | - | 4.99 | 140,776 |
| Random European Capital to Country | 0 | - | 4.97 | 152,457 |
| Random European Country to Capital | 0 | - | 4.92 | 134,769 |
| Random Asian Country to Capital | 0 | - | 4.94 | 85,501 |
| Random Asian Capital to Country | 0 | - | 4.97 | 88,998 |
| Random African Capital to Country | 0 | - | 4.97 | 79,342 |
| Random African Country to Capital | 0 | - | 4.94 | 61,807 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 79,778 |
| Capital Cities with the Least Precipitation | 0 | - | 4.90 | 27,382 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 61,621 |
| FIFA World Cup Final Host Cities | 0 | - | 4.73 | 19,349 |
| Biggest Cities in Europe | 0 | - | 4.76 | 463,664 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,875 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 90,982 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 37,159 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 90,955 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,254 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,459 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 28,693 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,622 |
| Biggest Cities in Germany | 0 | - | 4.95 | 262,658 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 28,159 |
| Biggest Cities in Sweden | 0 | - | 4.83 | 37,203 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 75,869 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,910 |
| Biggest City by Body of Water | 0 | - | 4.52 | 38,879 |
| Global Cities Quiz | 0 | - | 4.64 | 156,954 |
| Southernmost Major Cities | 0 | - | 4.41 | 45,235 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.45 | 68,360 |
| Lonely Planet Top 200 Cities | 0 | - | 4.65 | 209,632 |
| Ancient City to Country | 0 | - | 4.76 | 100,810 |
| American Cities by Stadium Quiz | 0 | - | 4.00 | 35,694 |
| Cities with the Most Foreign Embassies | 0 | - | 4.66 | 45,282 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.41 | 34,986 |
| City-States | 0 | - | 4.53 | 34,752 |
| Cities with the Most International Tourists | 0 | - | 4.46 | 49,877 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 91,062 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.82 | 61,293 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.95 | 109,511 |
| City to Country - Tile Select #1 | 0 | - | 4.72 | 34,992 |
| City Where It Happened #2 | 0 | - | 4.43 | 50,105 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 53,369 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.44 | 49,201 |
| Capitals by First and Last Letter | 0 | - | 4.42 | 63,831 |
| Capitals Based on Last Two Letters | 0 | - | 4.47 | 55,429 |
| Top Five Capitals By Category #1 | 0 | - | 4.58 | 53,109 |
| Top Five Capitals By Category #2 | 0 | - | 4.52 | 45,454 |
| Most Expensive Capital Cities | 0 | - | 4.54 | 72,377 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.63 | 29,624 |
| Random African Capitals on a Map | 0 | - | 4.95 | 48,063 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 44,968 |
| Random European Capitals on a Map | 0 | - | 4.97 | 106,733 |
| One Capital by Letter by Continent | 0 | - | 4.97 | 3,380 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 79,650 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 125,453 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 39,011 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 74,550 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 49,286 |
| Which City in Europe? | 0 | - | 4.84 | 97,292 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 74,586 |
| Which City in Canada? | 0 | - | 4.89 | 45,137 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,512 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,538 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 77,848 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,714 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,523 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,795 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 27,888 |
| Biggest Cities in California | 0 | - | 4.35 | 130,316 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,301 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,777 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,636 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,656 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,267 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,354 |
| Tall Building Cities - United States | 0 | - | 4.47 | 66,377 |
| Unusual American City Names | 0 | - | 4.49 | 17,049 |
| Northernmost Major Cities | 0 | - | 4.04 | 55,139 |
| Biggest "Saint" Cities | 0 | - | 4.34 | 78,879 |
| Biggest City by River | 0 | - | 4.42 | 50,888 |
